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FIRM-FILL® Gypsum Concrete

The original FIRM-FILL® Gypsum Concrete floor underlayment is designed for use in multi-family housing to satisfy acoustical ratings and fire codes. With excellent STC and IIC ratings as well as over 100 UL listings, FIRM-FILL® Gypsum Concrete floor underlayment is an excellent choice for jobs needing compressive strengths up to 2000 psi.

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FIRM-FILL® 2010+

For use over wood subfloors, FIRM-FILL® 2010+ floor underlayment is the product of choice. It stiffens the subfloor to eliminate squeaks and nail pops and provides a solid floor while remaining safe for the environment. FIRM-FILL® 2010+ floor underlayment creates additional surface hardness and compressive strengths up to 3200 psi.

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An innovative product that elevates gypsum concretes to an unprecedented level of unyielding performance. FIRM-FILL® 3310 floor underlayment's fast-setting surface rapidly eliminates water allowing for accelerated drying time and unparalleled levels of strength and finish over wood and concrete subfloors in new construction and renovation projects.

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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.

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FIRM-FILL® High Strength

FIRM-FILL® High Strength floor underlayment is the economical solution to correct concrete problems. It resurfaces any cracked or damaged concrete to better than new, providing surface hardness from 2500 to over 3800 psi. From feather edge to 3-1/2 inches in thickness, FIRM-FILL® High Strength floor underlayment provides a durable, flat floor for virtually any finished floor covering.

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FIRM-FILL® 4010 floor underlayment is designed for thin capping of concrete in new construction or over damaged concrete in renovation projects. FIRM-FILL® 4010 floor underlayment's high strength and superior bonding characteristics will provide concrete floors with new life and exceptional surface hardness, offering compressive strengths ranging from 4000 to 5200 psi.

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TRUE-SCREED® Cementitious Leveling Underlayment (CLU)

TRUE-SCREED® Cementitious Leveling Underlayment (CLU) is a Portland cement-based underlayment that is specifically designed for projects with deep-fill requirements that need to stay on budget. TRUE-SCREED® CLU provides a cost-effective method to transform cracked, uneven concrete floors into a smooth, strong surface for finished floor coverings. The product also offers exceptional surface hardness and quick drying time, keeping construction projects on schedule.

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GYP-SPAN® Radiant

GYP-SPAN® Radiant is a gypsum concrete floor underlayment designed specifically for use over radiant heating systems. It encases the tubes or cables without air bubbles, creating a superior thermal mass that provides uniform heat transfer. GYP-SPAN® Radiant floor underlayment is the energy efficient and cost-effective way to create a smooth, flat, evenly heated floor surface for the attachment of virtually any finished floor covering.

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FIRM-FILL® CMD (Corrugated Metal Decking)

Designed for use in multi-family, commercial and institutional buildings with light-gauge steel framing and a corrugated steel deck, FIRM-FILL® CMD is a lightweight, high-strength gypsum concrete floor underlayment. Installed at 1" above the top of the flutes, FIRM-FILL® CMD reduces deadloads and thickness, significantly lowering costs.

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FIRM-FILL® SCM-125 (Sound Control Mat)

FIRM-FILL® SCM-125, a 1/8" (3mm) sound control mat, is engineered to limit impact sound transmission in multi-family construction. Ideal for when the gypsum concrete pour is not a standard thickness, FIRM-FILL® SCM-125 is topped with a minimum of 3/4" (19mm) of a FIRM-FILL® Brand Gypsum Concrete to create an effective low profile sound control system.
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FIRM-FILL® SCM-250 (Sound Control Mat)

FIRM-FILL® SCM-250 (Sound Control Mat) is a 1/4" (6 mm), random filament, corrugated, "U" groove core sound control mat designed to limit impact noise between floors. Used in conjunction with a 1" FIRM-FILL® Brand Gypsum Concrete topping.

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FIRM-FILL® SCM-400 (Sound Control Mat)

FIRM-FILL® SCM-400, is a 3/8" (10mm) sound control mat, is efficiently engineered to provide additional impact noise control when a thicker sound mat is specified. It is a cost-effective way to address Impact Insulation Class (IIC) concerns. Ideal for when the gypsum concrete pour is not a standard thickness.

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FIRM-FILL® SCM-750 (Sound Control Mat)

FIRM-FILL® SCM-750, is a 3/4" (19mm) sound mat, that helps create sound resistant floors with the high IIC and STC level required by IBC 2009. It is a cost-effective way to address higher IIC requirements.

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Denver, CO 80219