Firm-Fill 4010

Firm-Fill 4010 is a cementitious underlayment from Hacker Industries, Inc., designed for thin capping concrete in new construction or over damaged concrete on renovation projects.

With compressive strengths from 3000 to 5500 psi (approx. 20.7 to 37.9 MPa), Firm-Fill 4010 will provide concrete floors with new life and exceptional surface hardness.

In today's market, tenants and owners demand both flat and durable floors in their offices and living spaces. Firm-Fill 4010 provides the cost-efficient solution - a strong, smooth surface for finished floor goods.