Sigman 16' x 24' #12 Natural Cotton Duck Canvas Tarp with Grommets - Made in USA Fabric_By_Yard Color matters for 20x25 covers:

Color matters for 20x25 covers: white reflects less and passes more light than silver or silver/black

but for seasonal to medium-term large roof and building cover this 10-mil white poly is the value pick

Sigman 20 ft x 60 ft Heavy-Duty Vinyl Tarp is built from 14 oz PVC-coated polyester for dependable long-term outdoor use

The Sigman 24' x 30' Clear Tarp is a 20-mil heavy-duty clear vinyl tarp made in the USA for enclosure applications that need visibility and weather protection

Sigman 16' x 24' #12 Natural Cotton Duck Canvas Tarp with Grommets - Made in USA Fabric_By_Yard Color matters for 20x25 covers:16' x 24' #12 Natural Cotton Duck Canvas Tarp. #12 natural cotton duck canvas tarp features 11. 45 oz double filled fine weave untreated natural cotton duck canvas. #12 cotton duck canvas has an extra fine double filled weave pattern. #12 cotton duck canvas tarp is used by artist painting and school art projects. No water resistant treatments Easy to paint on! #12 Duck canvas tarps are also used for indoor furniture covers, general canvas covers,