Gypsum Concrete Floor Underlayment - FIRM-FILL® 3310+

FIRM-FILL® 3310+, a premium poured floor underlayment from Hacker Industries, Inc., delivers best in class performance with compressive strengths from 3000-3900 psi. Ideal over wood or concrete subfloors in multi-family, hospitality, and renovation projects, FIRM-FILL® 3310+ maximizes sound control and creates an enhanced surface for finished floor coverings.

Recommended for Multi-family, custom homes, commercial buildings, hotels & motels, & renovation projects.