3' x 4' Welding Blanket - 28 oz Gold Acrylic Coated Fiberglass the 50' x 100' is

the 50' x 100' is a industrial-scale blue tarp commonly used for jobs like: large-scale commercial or industrial roof cover

a good match for very large building and roof cover

The Sigman 15' x 30' is a true 10-mil woven poly cover made for long carports and canopies

- Tension Device Finish: Zinc Plated

3' x 4' Welding Blanket - 28 oz Gold Acrylic Coated Fiberglass the 50' x 100' is3' x 4' Welding Blanket 28 oz Gold Acrylic Coated Fiberglass . For medium duty welding applications. Protects against sparks and spatter. Good abrasion resistance. Temperature rating: 1000 F. Grommeted on all four sides, 24 inch apart. Not recommended for stress relief. FM Approved.