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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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screws sliding door track rollers greenhouse tubing
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.

Price per pair.
Ball bearing rollers - attaches easily to flat surfaces.
We sell tube only in BC (Mainland and the Islands). Our heavy-wall tube bends to a tight radius without buckling. The extra weight is better in roll up walls (less wind lift) and light dep systems (more consistent drop).

Our heavy-wall tube bends to a tight radius without buckling. The extra weight is better in roll- up walls (less wind lift) and light-dep systems (more consistent drop).

Swedge in nests in plain end, no connection pins required.

caterpillar tunnel greenhouse tubing caterpillar tunnel
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
We sell tube only in BC (Mainland and the Islands). Our heavy-wall tube bends to a tight radius without buckling. The extra weight is better in roll up walls (less wind lift) and light dep systems (more consistent drop).

Our heavy-wall tube bends to a tight radius without buckling. The extra weight is better in roll- up walls (less wind lift) and light-dep systems (more consistent drop).

Connection pins sold separately
Inside connection pin, for 1-5/8" OD fence tube (.065 to .090" wall-thickness)
7-1/2" long
10 per order.