6' x 8' Welding Curtain - 14 mil Flame Retardant Tinted Transparent Vinyl - Blue Fabric_By_Yard A: Use insulated concrete blankets

A: Use insulated concrete blankets or heated concrete blankets to maintain concrete temperatures 50 F or above for 3 - 7 days or until concrete fully cures

#4 Cotton duck canvas is thick

- Size: 33

Sigman 24 ft x 24 ft Heavy-Duty Vinyl Tarp is built from 14 oz PVC-coated polyester for dependable long-term outdoor use

6' x 8' Welding Curtain - 14 mil Flame Retardant Tinted Transparent Vinyl - Blue Fabric_By_Yard A: Use insulated concrete blanketsWelding Curtain 14 MIL Flame Retardant Tinted Transparent Vinyl (Blue, 6' x 8'). This welding curtain provides protection from harmful UV rays and reduce the visible flash when visibility is required. Can also used for workspace partitioning. Blocks most UV radiation. Thickness: 14 MIL. Meet California Fire Marshal Flame Retardant Standards. Panels have grommets every 1 ft on all 4 sides. Fabric rolls have NO grommets or hems.