Deep Greenhouse Lock Channel

Deep Lock Channel for Multiple, Thick Layers of Greenhouse Film Fit up to 40 mil of greenhouse film into this deep lock channel made exclusively for Bootstrap Farmer. This is the perfect lock channel for light dep. structures and any structure with a double layer of woven poly.  Features Heavy-Duty Design  6.5' long sections of long-lasting, rust and maintenance-free aluminum alloy .768" X 1.313" X 6.5' Holds up to 40 mil in layered greenhouse film in one channel (6 layers) Suitable for woven poly and light dep tarps with extra thickness Free Shipping in lower 48 6.5 ft of long-lasting, rust and maintenance-free aluminum alloy Offers a superior connection for your greenhouse’s covering Mounts to all wood or steel structures; pre-drilling or self-tapping screws recommended Spring Wire (also know as wiggle wire) and screws are not included. Uses Option 1 Multi-layer Light Dep & Woven Poly Layer 1 6 Mil Black/White Wind Panel from end wall hoop to the second hoop Layer 2 6 Mil T