The Alorair Crawl Space Vapor Barrier is a heavy-duty plastic sheeting designed for encapsulation of crawl spaces. With 10mil thickness and measuring 10'x65', this white vapor barrier provides coverage of 650 sq.ft. It is made of durable polyethylene material and weighs 35 pounds. Ideal for home improvement projects, this vapor barrier helps in keeping the crawl space dry and free from moisture, making it an essential component in maintaining the structural integrity of a building. Perfect for use in various applications, including painting supplies and building materials.