How to choose the right underlayment product

FIRM-FILL® Gypsum Concrete underlayment: Premier underlayment designed for use in multi-family housing for sound and fire ratings.

FIRM-FILL® 2010 Underlayment: This underlayment provides the additional surface hardness and higher compressive strength needed for custom homes and condominiums.

FIRM-FILL® 3310 Underlayment: Use this underlayment when an exceptionally smooth, rock-solid surface is required in multi-family, single family or commercial construction.

FIRM-FILL® High Strength Underlayment: Our specially formulated underlayment for topping or resurfacing concrete floors and planks.

FIRM-FILL® 4010 Underlayment: An underlayment offering superior bonding capabilities for thin capping of concrete floors.

GYP-SPAN® Radiant Underlayment: This underlayment is designed for use over heating cables or hydronic systems; enhanced thermal mass and heat transfer.

FIRM-FILL® CMD - For light-gauge steel frame construction with a corrugated steel deck. Lightweight, cost-effective solution to build higher and faster; minimum 3500 psi (24.1 MPa).

Hacker TopCoat™ SP (Surface Prep): An acrylic based, film-forming surface preparation agent designed to meet ASTM F2419-05 compliance requirements for use on Thick Poured Gypsum Concrete Underlayments.

Hacker Sound Mat II: A dense rubber pad used when better sound control is needed; inhibits sound transfer and dramatically increases IIC and STC ratings.

TRUE-SCREED® Cementitious Leveling Underlayment: Portland cement-based underlayment specifically designed for projects with deep-fill requirements that need to stay on budget.

Spec Data

WARRANTY: Hacker Industries, Inc. warrants HFU to be free from manufacturing defects, and when properly prepared and installed according to approved specified methods, HFU will attain minimum physical specifications as stated by Hacker Industries, Inc.'s most recent literature. Hacker Industries, Inc.'s obligation shall be limited to the replacement of the bagged product only and is subject to notice and inspection requirements. This warranty is in lieu of all other warranties, express or implied, including the warranties of merchantability and fitness for a particular purpose and all other obligations or liabilities.