An inexpensive poly fastening system designed for two layer 6 mil. applications on all types
of greenhouse structures. Agra Lock 12? base may be fastened to wood or steel and will
form over gable arches. Easy to handle 2? tops snap-lock onto base with hand pressure. No...
Our price: $10.78
Blower Inflation Fan
For inflating double layers of polyethylene film or with air distribution systems for inflation tubes.
Specifications: 115 volt, 60 amps. 42 free air RPM 3030. Air delivery: 0.1? S.P. 57 CFM.
Our price: $75.88
Lexan? Closure Strips
G-10 Polyethylene Foam Molding. Corrugated (horizontal) molding 2 ?? x ?? x 36?.
120 per case. Vertical molding 5/8? x 1? x 40?. 90 per case. G.E. Clear Silicone Sealant Dries
clear and rubbery. Will stretch and bend with heat expansion and weather proof...
Our price: $1.14
Continental Gun Grade Bedding Putty (Gray) Gun Grade Bedding Putty is used to reset or bed greenhouse glass on bars of wood, steel, or aluminum. It forms a tight seal between glass and bar and provides a rubbery cushion, which flexes with changes due to temperature stress. Cover...
Our price: $9.00
Astro Foam, 1/4" x 72" x 250' Polyethylene foam sheeting used for insulating perennials and nursery stock from winter temperature extremes. Astro Foam Rolls measure 6? x 250? with a ?? thickness.
Our price: $320.98
Greenhouse Cleaning Crystals
For the removal of Kool Ray Shade and for cleaning dirty greenhouse coverings. Crystals
placed in water form a hydrofluoric acid dilution. For use on glass and plastics.
Our price: $46.00
Shade Rite Knitted Shade Cloth
Knitted shadecloth features an open lockstitch design to reduce
wind speed and heat buildup in structures.
It is 20-25% lighter in weight. Can be cut on site and will not unravel. No taping of edges
needed. Minimum sewing required, due to...
Our price: $96.33
Kool Ray Classic Shade
The original formula is back! Kool Ray can be used over most greenhouse exteriors. Standard
dilution rate is 1 part Kool Ray Classic to 8 parts water. Coverage will vary according to method
of application, applicator and dilution ratio. Spray will norma...
Our price: $24.00
Poly patch is a patching tape for your poly-covered greenhouses. It is made with a 6 mil UV
stabilized film and a UV stabilized adhesive. Features a peel-off waxed paper backing.
Our price: $17.68
Polycarbonate Corrugated Greenhouse Covering
Polycarbonate Corrugated Greenhouse Covering provides
the crystal clarity you associate with glass ? without the heavy
weight, high costs and risk of breakage.
This polycarbonate greenhouse covering offers the design flexibility...
Our price: $1.62
Gauges available include: 6 mm (0.236), 8 mm (0.312), 10 mm (0.395), and 16 mm
(0.624). Polycarbonate widths available include 4 (47 ) and 6 (71 ).
J.R. Johnson Supply stocks 8 mm sheets 6 x 8,12 & 20.
Our price: $100.80
Row Covers have been used in recent years to insure frost protection and
provide warmer soil and air temperatures. Spring planting is still recommended
at or near the frost-free date, but with less risk of damage by late frosts.
Most crop trials have shown e...
Our price: $60.55
Shade Hinged Grommet Fasteners Cover a larger surface area on the fabric for strength and stability. These do-it-yourself onsite fastneres are less expensive than conventional grommets and are easier to use. 100 per bag.
Our price: $34.00
Slitted Row Cover Slitted Row Cover is applied over #10 galvanized wire hoops, spaced 6? to 10? apart, with edges buried in the soil. Slits are 5? long and ?? apart in two rows down the cover. Reemay Row cover is placed loosely over the row with edges buried. The material ...
Our price: $89.95
Sun Clear, when diluted and applied to dry plastic surfaces, such as flexible or rigid greenhouse coverings, prevents the
formation of water droplets. As a result, the plastic remains clear, admitting up to 50% more light. Dripping, which can be
injurious to plants ...
Our price: $32.64
White Batten and Black Woven Tape
Used for securing greenhouse film to wood baseboards. Woven Polypropylene Tape Used
to fasten plastic film to wood frame greenhouse, cold frames, etc. Especially useful for
securing the second layer of film on plastic greenhouses.
Our price: $57.25
Wire Lock Fastening System
Wire Lock consists of a 12? aluminum C-channel, which is attached
with screws to the greenhouse structure.
After the layer(s) of poly film are tucked into the channel, the 6? pieces of stainless steel
insert wire are worked into the channel. ...
Our price: $38.87
is an additive for growers that wish to add more adhesion and longer wear to Kool Ray Classic.
For longer wear add X-tra Stick to Kool Ray Ultra. Note: Dilute Kool Ray Ultra with water before
adding X-tra Stick and mix thoroughly.
Light adhesion: 4 oz. of X...
Our price: $13.50