Crack: Devfus Foam

Allow 8 hours for full cure. Use a utility knife to trim excess foam flush with the surrounding surface.

Hairline, spider-web cracks radiating outward. 3. Low Humidity on the Substrate Polyurethane is moisture-cured. If you apply Devfus foam to bone-dry, dusty, or frozen substrates, the foam cannot cure properly. The surface skins over, but the interior remains tacky. As the foam eventually attempts to draw moisture from the air, uneven curing creates fissures. Devfus foam crack

A: No foam is truly crack-proof, but Devfus's "Pro-Gun 2.0" series has 15% more flexibility than standard cans. However, application technique remains the dominant factor. Allow 8 hours for full cure