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Greenhouses
(6mm twin wall polycarbonate,
100 micron UV layer)
You will find the quality of our greenhouses up there
with the best (or better), except without the hefty price tag.
Want something bigger for less cost per
m2, "more bang for your buck", 3.1m up to 4.9 m wide and virtually
any length? Check our our new super strong UK made polytunnels
here Polytunnels
"For
good health eat less from a box and more from your greenhouse"
If you've decided to "Grow Your
Own" after COVID-19 this year to get more resilient and less reliant
on supermarkets for your fresh herbs, fruit and vegetables, you need to
consider crop protection. Whether it be from birds, pests, weeds, weather
or diseases, it is an important next step for producing healthy quality
crops with minimal wastage and chemical use.
Harrisville Primary School Greenhouse Donation. More
»
A Bit of History
Those
of you who know us from the early days know that we initially began
Hunkin Garden Products Ltd selling domestic glasshouses imported
from Halls in the UK. We stopped selling glasshouses some time ago
because we could no longer get glass at a realistic price from NZ
suppliers. We looked at importing our own glass, and while we could
have done this, freighting glass around the country without breakage
seemed impossible. Time has moved on and the little girl in the
purple gumboots has a Masters degree in Science. The little boy
is now working in the computer industry as a IT engineer for a company
in Auckland.
After 30 years we now have our own
range of greenhouses. As my father, who was a retired fitter turner
used to say "there is no substitute for experience" and
we have used our experience to design a stronger, higher side-walled
greenhouse using 6mm-twin wall polycarbonate. All the benefits of
a high side wall, criss -cross bracing and downpipes are included
in the price, not an added extra. We have aimed to provide a very
functional strong greenhouse at a realistic price so you can enjoy
your gardening without breaking the bank.
So what are the benefits or polycarbonate over glass?
It is a "no brainer" really.
Safety has got to be number one, especially if there
are young children playing in your backyard. Polycarbonate will
not shatter like 3mm float glass often used on domestic glasshouses.
4mm safety glass is very strong and will not break like normal glass,
the problem is that it very expensive.The safer nature of polycarbonate
makes our greenhouses ideal for schools.
Lightweight so we can supply much bigger pieces,
which means glazing, for want of a better word, is much easier.
Instead of 106 panes of glass that we used to have in a 12 x 8 greenhouse
for instance, we now have 40 pre-cut polycarbonate sheets in our
Titan 912 EB, meaning fewer air gaps to leak air and less fiddling
around fitting little panes. Your greenhouse is assembled in no
time at all.
Diffused light every gardener knows plants need
light to grow. It is a vital part of the photosynthesis process.
What is not so commonly known is that plants often grow better under
diffused light because light tends to be scattered and leaves pick
up light from all directions. There have been claims of 20% to 30%
increases in growth with diffused light. Direct light on the other
hand can often cause burning of the leaves, which reduces growth.
The twin-wall polycarbonate diffuses the light so your plants are
unlikely to get burnt in bright sunlight. No need to paint the outside
to prevent scorching or erecting shade cloth in summer.
Energy saving - The more heat the greenhouse retains,
the better, especially if you want to heat the greenhouse. (See
our comparative table below in the frequently asked questions).
There is also less condensation, and little or no dripping from
overhead.
Our Guarantee
Every greenhouse comes with a 10-year guarantee
on the aluminium frame against faulty workmanship, much more than
you will receive from most other manufacturers. The polycarbonate
is guaranteed in N.Z. for 8 years against breakdown (going brittle)
by U.V degradation. If U.V breakdown occurs, and is confirmed by
the manufacture's sample analysis, a pro rata replacement credit
will be allowed. A credit will be issued, based on original invoiced
value, for the unused period of the warranty. Warranty is to the
original purchaser of the greenhouse. The polycarbonate must be
installed with the UV coated side to the outside (facing the sun)
otherwise the warranty is void.
Guarantees of course are only as good as the company
behind them and only have value as long as the company is still
in business. We have been in business 30 years, so you can
be assured we are here to stay.
By purchasing one of our greenhouses you are making
a long-term investment that will bring you many years of enjoyment
and service.
With unbeatable durability, safety, insulation and
pricing, what are you waiting for?
Frequently asked questions
What is polycarbonate?
Polycarbonate belongs to the group of plastics called thermoplastic
polymers. It is not to be confused with acrylic, which is a much
cheaper and inferior product. Polycarbonate is widely used in industry
because it has excellent temperature resistance (125 Celsius to
minus 40 Celsius), impact resistance (250 times stronger than glass,
virtually unbreakable) and optical properties (80% of visible light,
glass transmits 89%) which makes it ideal for greenhouse applications.
It is non-toxic, stain resistant and weighs six times less than
glass.
The use for Polycarbonate is almost endless. Here
are a few applications. Bulletproof windows as used in banks, safety
glasses, crash helmets and prescription glass lenses. CDs and DVDs
are made from polycarbonate. Ever tried to break one?
Will the polycarbonate get brittle after long
exposure to sunlight like other plastics?
Some
of our competitors make the broad statement that Chinese made Polycarbonate
is poor quality because it is made of recycled material. This may
well be the case with very cheap greenhouses, but not with ours.
Our polycarbonate is extruded in China using virgin materials supplied
by Bayer in Germany. The polycarbonate resin used in our twin wall
sheets is Bayer Makrolon® 1243, also called Bayer Makrolon
ET3127. When the sheet is extruded a layer of Makrolon® DP1-1852UV
concentrate is also co-extruded with it. The Makrolon® DP1-1852UV
is not like a layer of paint, it is amalgamated with the base material,
so it is part of it and can't flake off. The UV layer protects the
polycarbonate underneath. Normally the standard thickness of this
protective layer is 50 microns, ours is double that at 100 microns.
It costs a bit more for the 100 micron layer, but we feel it is
worth it as it should last a lot longer in high UV NZ conditions.This
is the side that goes towards the sun.
We have had our polycarbonate under field test
for 8 years with no cracking and that is with a 50 micron UV layer,
we now have 100 micron UV layer, twice as thick.There are numerous
greenhouses throughout Australia (UV similar to ours) using the
same polycarbonate supplier as us.
As an aside, there is no advantage in having both
sides UV coated in a greenhouse situation as it is closed in. If
you are going to have a coat each side better to have it all on
the sunny side. There is virtually no UV inside a polycarbonate
greenhouse because polycarbonate absorbs and blocks UV all by itself.
It is this absorbtion that causes it to degrade (changes its molecular
structure) and that is why a UV protective coating is applied to
stop the UV being absorbed by the polycarbonate. It is a different
story with a carport roof, or a covered deck,as light can be refleced
from undeneath, so double side protection is required.
So what's the big deal about insulation?
Greenhouses work by trapping the heat from the sun. If the heat
escapes easily through the glazing or air gaps then the whole point
of having a greenhouse is lost. The best greenhouses are the ones
that can hold the heat for as long as possible. Our polycarbonate
sheets are sealed to the frames so there are no air leaks.
What
is 6mm-twin wall polycarbonate?
Two thin sheets of polycarbonate are separated
by a 4.5mm still air gap, much like double insulation used on windows
in colder climates. The construction is like the coreflute used
in plastic real estate signs.
Won't water and bugs get between the twin wall?
The polycarbonate fits inside the frames so bugs and water can't
get in.
Doesn't glass insulate?
It does to a point, because infra red
(heat) does not transmit through glass very easily. Well that's
the theory. However we all know that in order to keep your house
warm in winter you pull thermal drapes across your windows or double
glaze, so it is not that good.
Insulation factors R ratings for different greenhouse
materials.
Most people will be familiar with the R rating given for insulation.
Fibreglass insulation for instance ranges from R1.6 up to R 3.6
and more. The higher the "R" number, the better the insulation.
The table shows some comparisons.
Material Insulating "R" number based on
US imperical values.
6mm twin wall polycarbonate 1.5
3mm horticultural glass 0.95
Polythene plastic as used in tunnel houses 0.83
From this table you can see twin wall polycarbonate
insulates 50% better than traditional 3mm glass and about 72% better
than plastic.
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Tomato planting tip.
When planting your tomato take off a few of the bottom leaves
and lay the stem in a small trench and cover. The stem will
very rapidly sprout roots resulting in the plant growing a massive
root system to power the plant. You can also remove laterals,
pot them up and cover with a plastic bag to get more plants. |
What is best for greenhouse frames, aluminium
or steel?
The only reason manufacturers use steel
for frames in small domestic greenhouses is price. These greenhouses
are often made from electroplated galvanised sheet steel (tin) that
has been cut and folded or rolled to shape. The protection layer
is very thin, and the cut edges of course are not galvanised, so
though the frames will last quite a long time, eventually they will
rust, especailly if sourced from China. The sheet steel is also
quite thin, so where it has been cut there is often a very sharp
edge. The only disadvantage with aluminium is cost. It is a more
expensive metal and dies have to be made in order to extrude the
product to shape. The frames are much thicker and in most cases
have rounded edges from the extrusion process. Aluminium has a thin
protective oxide layer on the outside that forms immediately the
moment the aluminium is exposed to air. Any damage is instantly
sealed off with an oxide layer. Aluminium never rusts and provided
compatible materials are used with it, there is virtually no corrosion.
Aluminium will last a lifetime, and with the rising cost of raw
materials it is false economy to purchase a greenhouse with a steel
frame that you will eventually have to replace. We have a 10 year
limited warranty on the frame. It is quite conceivable that a steel-framed
greenhouse will have started rusting before our guarantee has run
out, unless it is treated with ArmourGuard like our larger polytunnels.
Before making a decision to purchase a greenhouse
look very closely at the construction so you can make educated comparisons.
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This monster tomato
(720gms) was started in our greenhouse for an early start and
then transferred to the garden. Tests have shown that while
all tomatoes contain lycopene, a very good antioxidant with
many health benefits, it is the yellow or orange ones that have
lycopene that can be absorbed when eaten raw. Red tomatoes have
to be cooked before we absorb it in any great amounts. Apparently
lycopene has shown some promise in protecting against prostate
cancer. Just imagine how much we might be able to improve the
health of the nation by simply swapping to orange tomatoes in
our salad? Bristol seeds have a large choice of varieties and
an article on lycopene.
Follow the link to their website.
Bristol
seeds
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See Heritage Food's full table of tomatoes
with high tetra-cis-lycopene. Follow the link to website Heritage
Foods . A
really interesting site and well worth a visit. |
There is a really interesting article in the
Lifestyle Block magazine, September 2018 edition on these tomatoes
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New Titan EB series - Better, stronger,
wider
The Titan series are our newly designed greenhouses
that we believe are even stronger than our previous series. We have
combined a clip and special polycarbonate glue/sealer system in
the construction of the Titans. Other systems of fixing polycarbonate
to greenhouses have their problems. A clipped system can be prone
to panel blow-outs, but they are easy to put back. The insertion
system is not a complete cure for blow-outs as panels amazingly
can still blow out in very high winds. The problem with the inserted
system is that you have to partially de-construct the greenhouse
frame to get the panels back in, and this can be very difficult.
New
technology has meant there are now special glues/sealers for polycarbonate
that can match the expansion characteristics of the panels. The
result is a system that uses full length UV treated PVC capping
to clip in the panels, backed up by special polycarbonate glue for
added strength. The result is, not only do we have a very strong
method of holding in the panels should you need to replace one,
the greenhouse does not have to be pulled apart either. Even construction
is easier and more relaxed. You can assemble the frame on one day
and put the panels in the next. With an insert system once you start
assembly you have to get it all done in a day, quite a stress with
a large greenhouse.
There are lots of slogans out there, and here are
a few: "Made for harsh NZ conditions", "By far the
strongest and most durable greenhouse available on the New Zealand
market", "NZ's most popular greenhouse" etc., with
no evidence to support the claims. We have been selling greenhouses
for 30 years so have seen and heard it all. We have listed below
the features and benefits of our greenhouses, so you, the customer,
can decide for yourself.
Bracing is an important
feature of our greenhouses. By nature, greenhouse frames are narrow
so they do not shade the plants inside, so they are not as strong
as if 100mm x 50mm timber framing were used. Fortunately, by bracing
the aluminium framing, the strength is greatly increased. You can
try this simple experiment for yourself:
Now the EB (extra bracing) series
with our new criss -cross bracing, even stronger!
Our new Titan EB series
now has a new design feature,"criss-cross" bracing, so the greenhouse
is braced in both directions. This is a much stronger design because
there is always a brace in tension. This is a bracing system often
used in Kiwi fruit orchards, especially in soft ground. If you watch
the news you will see a lot of the earthquake proofing going on
in the country uses criss-cross bracing.
How it works
In order for the shape to change to a parallelogram
from either direction, either A or B, depending on the direction
of the wind, has to snap. One brace is always in tension, the other
in compression.
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Titan 914 EB frame with
criss-cross bracing
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To the right is an example of the criss-cross bracing
design. The angles are as close to the optimum angle of 45 degrees
as possible. We believe no other domestic greenhouse comes close
to this in bracing design.
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Criss- cross bracing in a commercial building |
Features and benefits of our greenhouse construction
Powder Coating
- Strong powder coated extruded aluminium base
for durability. Lasts longer when in contact with the ground.
- The frame is powder coated a deep British green
colour, (a more appealing colour to the eye of our western culture)
so it looks a lot better in your garden.
The Base and Ground Stakes, included in the
price, not an extra.
- Powder coated bases are supplied as part of
the kitset to make it easy to set up. They can be mounted
directly on flat soil, timber or a concrete slab.
- If you are mounting on the ground we supply multiple
ground stakes. The Titan 78 has corner stakes, but the larger
912 and 914 models also have stakes midway down the sides, not
just stakes for the corners. The stakes are concreted in with
a bit of undercut. This makes the greenhouse far more secure in
high winds.
- The frame is attached to the base via concreted-in
ground stakes and additional fasteners to make sure the greenhouse
is secured firmly to the ground. The greenhouse is more stable.
- TIP. If pouring a slab put a bit of black oxide
in the top layer as you float off. It will enable the slab to
absorb more heat during the day so the heat can be released during
the night. It won't keep you greenhouse warm, but it could be
the difference between the frost getting in or not. Dynabolt the
base to the slab with stainless steel dynabolts (dynabolts are
not supplied in the kit)
Bracing
- The frame has side wall criss-cross diagonal
braces from the corners at eave height to the base, not partway
down the corner profiles as in some greenhouses. This gives the
frame greater stability (note the matchstick experiment above).
- The frame has roof diagonal bracing extending
from the eave corners to the roof ridge of the greenhouse in all
four corners. This gives extra stability to the roof part of the
frame, especially when the wind is blowing on the gable ends.
Many greenhouses remarkably don't have this!
- Eave braces between the side walls and
the roof beams, which strengthens the greenhouse. (Wider Titan
9xx models only)
- Apex cross braces in the roof of the greenhouse
which results in greater roof strength. (Wider Titan 9xx models
only)
Double Back Wall Beam
Double door models feature double back wall beam
across the plain gable end at eave height to reduce the flex in
the back wall. This results in greater wind resistance on the plain
gable end.
Polycarbonate
- Polycarbonate made from virgin materials supplied
by Bayer. 100 micron UV protection.
- Polycarbonate is glued and clipped into position.
Glued panels, once set in place, act like sheet bracing (a technique
used in houses, Winstone's GIB Braceline® for example) and
they add extra strength to the greenhouse. While each glue joint
is not particularly strong, all the panels combined make a substantial
contribution. Much like trying to break a lot of matchsticks all
bound together.
- Replacing polycarbonate can be done without disassembly
of the frame a panel at a time. Insert systems require some disassembly.
Roof Vents
We usually have more roof vents than other brands.
2 roof vents in our Titan 7 series, 4 roof vents in the Titan 912
and the Titan 914 greenhouse. Extra ventilation results in a cooler
greenhouse and better plant health. Optional additional louvres
are available for the walls (Titan 9x) and gable ends (Titan 709)
if you feel you need even more.
High Side Walls
High side walls as standard, not an optional
expensive extra. You can grow taller plants right up to the sides.
More air volume means more gradual temperature changes, resulting
in less stress on the plants.
Width
Our greenhouses are wider than most. You will be
surprised how much extra usable space this gives you, especially
if you have a path down the middle of your greenhouse and garden
at the sides.
Downpipes
Downpipes as standard, not an extra. Collect
rainwater off the roof of your greenhouse into a water barrel. We
don't supplly barrels as the freight makes them uneconomic to ship.
Farming stores like RD1, Farmlands, PGG Wrightson etc have barrels.
Experienced gardeners know there is no substitute for rain water,
it seems to have magical growing qualities compared to urban treated
tap water.
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It has been said that frogs are a very good indicator of
heathly surroundings. i.e. no sprays or toxic substances. I
discovered this frog in the greenhouse sunning itself on one
of my bromeliads. I give the frog a place to winter and it keeps
the bugs down in my greenhouse. A win win, just how it should
be. |
A Pineapple grown in our own greenhouse. Completely
diffferent to the ones you buy in your local shop. Ripened naturally
in the sun, not picked green to ripen in the hold of a ship.
So sweet! |
The fine print in BIG print
While our greenhouses are engineered to resist the
elements we give no guarantees as to wind and storm resistance.
The 1:100 year storm now seems to be lately a two a year storm in
some parts of the country, so our advice is to shelter your greenhouse
from strong winds. In our view no domestic greenhouse
will withstand gale/storm force winds if fully exposed (even large
commercial greenhouses suffer damage) so be realistic and take precautions.
When a 20 foot shipping container weighing 2.2 tonnes empty is flipped
over on a Wellington wharf, do you really think a greenhouse will
still be standing if exposed to the same wind? We know of one company
who advertises their greenhouses are engineered for 150km hour winds,
over 118km/hour is classed as hurricane force (F12) on the Beaufort
chart. Interestingly their guarantee excludes "storms or
extreme weather conditions". Isn't that when you get high winds?
Cyclone Gabrielle damage
to a pine forest south of Taupo, the max wind speed recorded
for the cyclone in NZ was close to 160kph
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If a supplier says their greenhouse will take extreme
winds, ask for it in writing. That piece of paper may come
in handy later on when you make your claim against them. We take
a realistic approach and recommend semi permeable shelter. Solid
shelter can actually make it worse. Appropriate shelter has some
real benefits apart from protecting the greenhouse.
- It provides a sheltered area in which you can
harden off plants before planting out.
- It reduces the wind chill factor which means
your greenhouse retains heat better.
The effects of shelter
Many people think because they have a house or shed
sheltering their greenhouse they are well sheltered, but often the
wind turbulence may be worse. There is a very good website that
explains the effects of windbreaks in very simple terms http://weathersolve.com/how-windbreaks-work/
Below are a few clips from this website if you don't
want to look it up. You can see from the diagrams how a porous windbreak
is so much better.
While the graph is in imperial units this shows how
effective good shelter can be. To achieve the purple zone, 20% to
30% of the open wind speed, you ideally need a porous shelter around
3m high and your greenhouse around 3m from the shelter. This means
that according to the chart, a 170km wind (Hurricane force) would
be reduced to around 50km/hr. and a 100km/hr. (gale force / violent
storm) to 30km/hr.
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Freight:
With
a truck being charged by the kilometre or at an hourly rate, making
a delivery for items to the door, especially rural areas, can get
expensive. Picking up freight from a depot is the best and easiest
option. If you do not have the means to pick up we can have your
greenhouse delivered right to your door. Our standard freight is
to a depot or town / city address. If you are rural please call
0800 14 48 65 or email sales@hunkin.co.nz
for a quote telling us your delivery details.
Greenhouses consist of three boxes
or more, with weights per box up to 35kg for some cartons.
The major problem with transporting greenhouses is the length. The
base and frame cartons are about 100mm longer than the greenhouse
you order. Eg. a Titan 912 at 2.776 metres long has a base and frame
carton approx. 2.88m long.
Follow the link to find a depot
, use "all" when asked for a category near you.
Mainfreight depots
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Please note:
We pride ourselves on our after sales service and hold an extensive
range of spare parts for our greenhouses. We also hold spare
polycarbonate for our customers.
Sorry we do not
supply polycarbonate or parts for other supplier's greenhouses,
you need to go back to them for after sales service. I know this
seems a bit harsh, but there are a number of greenhouse suppliers
who offer greenhosues at very cheap prices which undermine the reputable
suppliers. Unfortunately customers only find out the reasons why
their greenhouses are so cheap when they get into trouble with their
greenhouse and the supplier is either, no longer there, or does
not want to know. If
they were a reputable supplier then you should have no trouble in
getting parts and support for your greenhouse. So
choose wisely!
If you are after Polycarbonate
try Supreme Plastic Roofing. Tel 09 636 0949 or letitia@supremeplastics.co.
nz
A powder coated aluminium base is
supplied with every greenhouse. Most greenhouse suppliers only give
you ground stakes for the corners, we have additional stakes down
the sides and across the ends as standard on larger models. If your
greenhouse is not anchored to the ground, then it has no hope in
high winds.
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Titan 79 EB (approx 9 feet long x 7 feet wide)
Sorry sold out
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Criss cross bracing system
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- 2849mm L x 2125mmW x 2330mmH. Eave height with
base 1653mm. High eaves standard, not an extra!
- 1.3mm thick aluminium extrusions. Heavier profiles
for more strength.
- Clip and silicone sealant system for fixing polycarbonate.
- Glued and clipped polycarbonate act as sheet
bracing
- The polycarbonate glue is supplied
- 19mm x 19mm x 1.6mm thick angle bracing
- Braces in eaves and criss-cross bracing in the
side walls.
- Stainless steel nuts and bolts
- PVC capping system
- 100mm high green powder coated aluminium base
- 2 roof vents standard for better ventilation.
- Downpipes supplied with the greenhouse for collecting
water off the roof, standard, not an extra!
- 6mm twin walled polycarbonate, 100 micron
UV protection
- 10 year warranty on frame and 7 years polycarbonate
A hard copy of the instructions is included with
the kitset, but if you want an advance pdf version or have lost
yours.
Click
here to download a PDF of the Titan 79 EB assembly instructions
Available in powder coated dark green $2416.00
Freight Auckland suburbs
excluding rural delivery $100, NI major town address $175, SI major
town address $225.
Contact us if you can pickup from a Mainfreight Depot for a better
freight price.
Follow the link to find a depot
near you. Mainfreight depots
If you intend to pick up from Hunkin Garden Products
or from a Mainfreight depot you need to be able to transport the
following (dimensions in millimetres)
1 x Base...2910L x 125W x 80H ......Weight
9kg
1 x Frame 1... 2920L x 310W x 155H
......Weight 39kg
Polycarbonate ...2320L x 710W x 135H .... Weight
37kg
If you prefer to transfer
funds to our bank account instead of using a credit card please
contact us with your name, address, phone number and what you wish
to purchase and we will email you an invoice with our bank details.
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Titan 912 EB (approx 11'8" long x 8'11"
wide)
- 3543mmL x 2751mmW x 2535mmH. Eave height with
base 1653mm. High eaves standard, not an extra!
- 1.3mm thick aluminium extrusions. Heavier profiles
for more strength
- Powder coated aluminium base, no rust. (picture
to right shows the greenhouse base mounted on concrete, but it
is normally mounted on the ground)
- Double door (1180mm wide entrance when open)
- Clip and silicone sealant system for fixing polycarbonate.
- Glued and clipped polycarbonate act as sheet
bracing.The polycarbonate glue is supplied.
- 19mm x 19mm x 1.6mm thick angle bracingBraces
in eaves and criss-cross bracing in the side walls.
- Braces in eaves and apex
- Double extrusion across the back wall for extra
strength.
- Stainless steel nuts and bolts
- PVC capping system
- 100mm high green powder coated aluminium base
- 4 roof vents standard for better ventilation
- Downpipes supplied with the greenhouse for collecting
water off the roof, standard, not an extra!
- 6mm twin walled polycarbonate, 100 micron UV
protection
- 10 year warranty on frame and 8 years polycarbonate
- A hard copy of the instructions is included with
the kitset, but if you want an advance pdf version or have lost
yours...
Click
here to download a PDF of the assembly instructions for 912 and
914 EB
Available in powder coated dark green $3250.00
inc GST
If you intend to pick up from Hunkin Garden Products
or from a Mainfreight depot you need to be able to transport the
following (dimensions in millimetres)
1 x Base...3610L x 125W x 80H ......Weight
11kg
1 x Frame 1... 2770L x 250W x 145H
......Weight 29kg
1 x Frame 2... 3610L x 190W x 115H
......Weight 28kg
Polycarbonate box 1...2100L x 705W x 170H .... Weight
15kg
Polycarbonate box 2...1690L x 705W x 135H .... Weight
27kg
Freight Auckland suburbs
excluding rural delivery $120, NI major town address $190, SI major
town address $290. Contact
us if you can pickup from a Mainfreight Depot for a better freight
price.
Follow the link to find a depot
near you.
Mainfreight depots
Titan 914 EB (approx 13'11" long x 8'11"
wide)
- 4237mmL x 2751mmW x 2535mmH. Eave height with
base 1653mm. High eaves standard, not an extra!
- 1.3mm thick aluminium extrusions. Heavier profiles
for more strength
- Powder coated aluminium base, no rust.mounted
on concrete, but it is normally mounted on the ground)
- Double door (1180mm wide entrance when open)
- Clip and silicone sealant system for fixing polycarbonate.
- Glued and clipped polycarbonate act as sheet
bracing
- The polycarbonate glue is supplied.
- 19mm x 19mm x 1.6mm thick angle bracing
- Braces in eaves and criss-cross bracing in the
side walls.
- Braces in eaves and apex
- Double extrusion across the back wall for extra
strength.
- Stainless steel nuts and bolts
- PVC capping system
- 100mm high green powder coated aluminium base
- 4 roof vents standard for better ventilation
- Downpipes supplied with the greenhouse for collecting
water off the roof, standard, not an extra!
- 6mm twin walled polycarbonate, 100 micron UV
protection
- 10 year warranty on frame and 8 years polycarbonate
- A hard copy of the instructions is included with
the kitset, but if you want an advance pdf version or have lost
yours...
Click
here to download a PDF of the assembly instructions for 912 and
914 EB
Available in powder coated dark green $3660.00
inc GST
Freight Auckland suburbs
excluding rural delivery $120, NI major town address $200, SI major
town address $310 Contact us if you can pickup from a Mainfreight
Depot for a better freight price.
If you intend to pick up from Hunkin Garden Products
or from a Mainfreight depot you need to be able to transport the
following (dimensions in millimetres)
1 x Base...4330L x 125W x 80H ......Weight
12kg
1 x Frame 1... 2770L x 250W x 145H
......Weight 29kg
1 x Frame 2... 4300L x 190W x 115H
......Weight 32kg
Polycarbonate box 1...2100L x 705W x 175H .... Weight
15kg
Polycarbonate box 2...1690L x 705W x 160H .... Weight
32kg
If you prefer to transfer
funds to our bank account instead of using a credit card please
contact us with your name, address, phone number and what you wish
to purchase and we will email you an invoice with our bank details.
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Accessories
Hanging brackets
These
brackets are made of aluminium and can be attached to the framing
of your greenhouse without disassembly using the stainless steel
rhombus bolt supplied. There are many uses but a typical application
is to hang a string from the bracket and wind a tomato up it for
support.
Available in powder coated dark green $2.50, or plain aluminium
mill finish $2.00
Postage (tracked) $9.50 any number. Rural
delivery is an additional $6.50. Please note when you order the
postage will be added for each item, however when we process your
order you will only be charged one lot of postage. There will be
no postage if ordered with a greenhouse.
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Aluminium shelf with stainless steel bolts
This
shelf attaches to the walls of your greenhouse leaving the ground
free and is available in powder coated dark green.
- Size: 1388x625mm (L x W)
- Height adjustable
- Solid aluminium frame for easy assembly
- 6 Aluminium slats.
Available in powder coated dark green $146.75
Postage NI $16.50 SI $26.00.
Rural delivery an extra
$6.50 (no freight if ordered
with a greenhouse)
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Aluminium 2 tier stepped staging
Two
tier free standing staging to make maximum use of space and light
- 1165L x 340/680W x 1050/500H (mm)
- Solid aluminium frame for easy assembly
- 9 Aluminium slats.
Available in powder coated dark green $225.40
Postage NI $26.50 SI $44.00. Rural delivery
an extra $6.50 (no freight if ordered
with a greenhouse)
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Aluminium staging with plastic seed trays (included)
plants not included
This
staging is ideal for germinating seedlings. The 8 removable trays
allow you to make maximum use of space.
- 1010L x 405W x 998H (mm)
- Solid aluminium frame for easy assembly
- 2 tier 8 seed trays
Available in powder coated dark green $88.60
Postage NI $16.50 SI $26.00.
Rural
delivery an extra $6.50 (no freight
if ordered with a greenhouse)
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Titan automatic
vent opener (two spring)
Fact. We seem to be getting more weather extremes
along with strong winds. Weather can change during the day from
going from rain to sunshine resulting changes in greenhouse temperature.
Automatic
vent openers are very handy devices if you are not always around
to open and shut your roof vents, however there are risks that in
strong winds vents can be ripped open. Most suppliers always talk
about the opening force of the autovent, 7kg being a common figure.
We have taken a different approach by focussing on the closing force.
Why? A roof vent on most domestic greenhouses probably weighs no
more than 1 or 2kg, especially if glazed with polycarbonate, so
a 7kg opening force is really a pointless feature. What we have
done is to increase the closing force by using two springs.
The two springs on their own exert a 1.6kg "pull back".
Combine this with the weight of the vent and we have approximately
3 - 4 kg opposing the wind. This means it takes a much stronger
wind to flip the vent open. By comparison a single spring autovent
has a "pull back" of around 800 grams.
However even our very strong springs won't be able
to guarantee vent security in gale force winds.
We have spare parts for our automatic vent
openers
Autovent (1 year warranty)
Temperature opening range 17 - 25 degrees C, aluminum
construction
Automatic vent opener $95 (no
freight if ordered with a greenhouse)
Postage NI $12.00 and SI $15 (NZ Post tracked)
Rural delivery an additional $6.00
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Louvre
If
you want extra ventilation then a louvre can be fitted to the plain
end of the greenhouse to allow fresh air to enter (older models,
not EB models). They are very effective when you have the doors
open at the other end because this allows fresh air to pass through
the greenhouse. Our louvre blades are made of twin wall polycarbonate
and capped with aluminium for extra strength with no sharp edges.
Louvres can be added at any time to your greenhouse, but it is much
easier to install them when you first construct it. The Titan 79EB,
912 EB Titan 914 EB can have louvres fitted to the middle of
the side walls, one either side. You can't put an
end louvre in a Titan 79EB, 912EB or 914EB because the criss cross
bracing is in the way.
We felt it was better to sacrifice some positioning
of the louvres for the extra criss-cross bracing.
Available in powder coated dark green $95 (no
freight if ordered with a greenhouse)
Postage NI $12 SI $22. Rural delivery an additional
$5.50
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Bayliss Automatic
Louvre Opener
The
Bayliss automatic Louvre Vent Opener made in the UK is designed
to fit simply, neatly and unobtrusively to a greenhouse louvre vent.
The unit operate without power along the same principles of our
autovent openers.
It is temperature adjustable and can be set to start
opening the louvres from 15 – 18°C with a maximum opening at
approximately 30°C. It is supplied with a backplate enabling
users to fit it to the holes in our louvre assemblies.
Please note. Unit to the right is a stock picture
of the auto opener attached to a louvre with glass blades, we use
polycarbonate.
Some drilling is required to remove two rivets and
a screwdriver is needed to remove the manual arm.
Auto louvre opener $75.00 if ordered with louvre
or greenhouse
If ordered seperately add
postage $8.00. Rural delivery an additional $5.50
Yellow Sticky Traps
A
sticky end to Whitefly, Aphids, thrips and other flying insects
Yellow plastic coated both sides
with non-toxic glue. These are primarily used for insect pest monitoring
and insect control in the greenhouse and conservatory. They may
be used to time the introduction of biological control predators.Safe
and effective. Simply hang them up in your greenhouses near your
plants. We have tested these outside and while their life is shorter,
they are still effective. Lifespan outside is dependent on the weather,
but through sun and rain ours have lasted at least three weeks.
While they don't trap all the bugs, every one stuck on the trap
is one less in your garden and if the bug is a female full of eggs,
potentially thousands have been prevented.
Generous size 250mm x 150mm with
hanging hole
Sold in packs of 20. $15.00
per pack Postage
$8.00. Rural delivery an additional $5.50
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