03 5400 - Cementitious Flooring Underlayment

(Typically poured underlayments - including gypsum - and not patching materials)


Atlas Tech Products

Atlas Tech Products - CA, AZ, NV, NM, UT & CO
Atlas Tech Products provides self-leveling and trowelable floor underlayments to provide a level hard surface prior to installation of tile, wood, carpet and other flooring materials. Tech-Level Premier is self-leveling and can accept coverings after 24 hours. Feather Coat is a fast-drying trowelable skim coat that can accept coverings after 20 minutes.


Custom Building Products

Custom Building Products
CUSTOM's CustomTech line of cement self-leveling underlayment and patching products add strength and durability to the floor, providing a smooth surface for the application of many types of floor coverings. The high compressive strength, self-leveling underlayments seeks their own level in minutes and are ready for traffic in a few hours for commercial installations.


Hacker Industries

Hacker Industries
Since 1983, Hacker Industries, Inc. has offered a full line of pourable FIRM-FILL® Gypsum Concrete Underlayments to meet the most up-to-date sound-attenuating and fire-retarding specifications listed by the IBC. All FIRM-FILL® Gypsum Underlayments are quick drying, high-quality underlayments that offer a flat, durable surface for finished floor coverings.


Kinetics Noice Control

Kinetics Noise Control
Kinetics Noise Control, Inc. offers several classes of noise control underlayments. Our website includes a large interactive library of STC/IIC tests, which allows for comparison between bare assemblies and built-up noise control composites.


4specs Discussion Forum - Great place to ask questions about specifications, products and technical data. Free - no registration required to read or post (subject to moderation).


See also:
09 8500 - Sound Transmission Control Materials for other methods of achieving an STC rating.
For complete Division 03 Concrete products and ingredients listings



Atlas Tech Products

Atlas Tech Products - CA, AZ, NV, NM, UT & CO
Atlas Tech Products provides self-leveling and trowelable floor underlayments to provide a level hard surface prior to installation of tile, wood, carpet and other flooring materials. Tech-Level Premier is self-leveling and can accept coverings after 24 hours. Feather Coat is a fast-drying trowelable skim coat that can accept coverings after 20 minutes.



Custom Building Products

Custom Building Products
CUSTOM's CustomTech line of cement self-leveling underlayment and patching products add strength and durability to the floor, providing a smooth surface for the application of many types of floor coverings. The high compressive strength, self-leveling underlayments seeks their own level in minutes and are ready for traffic in a few hours for commercial installations.



Hacker Industries

Hacker Industries
Since 1983, Hacker Industries, Inc. has offered a full line of pourable FIRM-FILL® Gypsum Concrete Underlayments to meet the most up-to-date sound-attenuating and fire-retarding specifications listed by the IBC. All FIRM-FILL® Gypsum Underlayments are quick drying, high-quality underlayments that offer a flat, durable surface for finished floor coverings.



Kinetics Noice Control

Kinetics Noise Control
Kinetics Noise Control, Inc. offers several classes of noise control underlayments. Our website includes a large interactive library of STC/IIC tests, which allows for comparison between bare assemblies and built-up noise control composites.