MEMBRANE Silpoly is the ultralight version of our MEMBRANE silpoly line of ultralight coated materials. At a finished weight of just 0.93 oz/yd2, it is the lightest waterproof polyester textile available. The material features the following: Custom woven, high-thread count 15D polyester Plain-weave construction High-quality sil/PU coating on each side MEMBRANE Silpoly is best for situations where you want the lightest possible waterproof fabric. A premium material for all projects requiring an extremely lightweight, waterproof textile. Common applications include tarps, tents, ponchos, gear sacks, pack covers, etc. * Note: this fabric is the exact same on each side. If seam sealing, we recommend using a 100% Silicone sealant such asSil-Net. Fabric Details Width 58-59" usable, selvedge trimmed Weight 0.93 oz/yd 2 Denier 15d Weave plain weave Thread Count TBD Thickness TBD Print shrinkage (length) < 1% Print shrinkage (width) < 1% Finish/Coating Silicone impregnated (coated both sides) Hydrostatic Head (i.e. waterproof rating) > 2000 mm