Sign Foam 3 is a rigid high density urethane foam material that is not affected by solvents, can be finished using all sign paints including laquers, is completely waterproof, and can be fabricated with standard woodworking tools. Sign-Foam 3 can be used for sandblasted, router, or hand carved signs.
Features
• Will not warp, split or crack
• 100% waterproof
• Will not rot or decompose
• Is highly chemically resistant
• Made in the USA and comes with a 10 year warranty