Coolaroo builder’s block shade fabric provides up to 70% UV block, privacy, and screening for both commercial and residential needs. Made with breathable, knitted high-density polyethylene fabric that allows warm air to escape, keeping you cool on hot and sunny days. The durable knitted eyelets along the top and bottom allow for easy installation with cable ties or zip ties. This durable fabric will not mold, mildew, or rot, and it is resistant to tearing and fraying, built to last through wind, rain, snow, and sun. Builder’s block shade fabric is excellent for construction sites, landscapes, backyards, and temporary events.