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Building your own?
We are happy to help with products to make your frame grow better.
Great stuff for DIY caterpillar greenhouse tunnel builders.
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greenhouse venting screws Upright Framing Brackets
Shock-Load Brackets
Price: $47.50
Upright Brackets
Price: $29.75
Advanced and unique 2-piece shock-load brackets provide extra strength for wind restraint in roll-up applications.

Formed from rugged 1/4" stainless steel wire.

Can also be applied to the Agricultural Trade for Ag Curtain venting systems, and the truck trade for bracing tarps.

10 per order
100 per order
Canadian made with maximum corrosion resistance.
Excellent for attaching springlock base - the rounded heads do not snag the springs.
#2 robertson driver bit not supplied.

Versatile brackets well suited to framing greenhouse end walls.

8 per order: 4 left; 4 right
sliding door track rollers greenhouse tubing caterpillar tunnel
Price per pair.
Ball bearing rollers - attaches easily to flat surfaces.
.065" wall thickness
We sell tube only in BC (Mainland and the Islands).

Connection pins sold separately
A multipurpose steel bushing / sleeve / spacer.
Can be attached to wider or narrower pieces of tubing and used as a splice or a pivot.

20 per order

7/8" OD (outside diameter) x 4-5/8" long
Fits snugly inside 1" OD (outside diameter) 16 gauge

11/16" ID (inside diameter)
21/64" (8mm) hole - 1" from end