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Gypsum Underlayments

Most Commonly Used in Single Family, Multi-family & Commercial Construction

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Gypsum Underlayments PSI & Quality Control

At Ultra Quiet Floors, we pour gypsum underlayments that vary in strength from 1,000 PSI (pounds per square inch) to 4,000 PSI depending on the project need or specification. Both the amount of sand per bag and the gallons of water per bag are closely monitored on each installation. The lower the amount of sand that is mixed with the bagged material, the higher the PSI.

Ultra Quiet Floors has averaged between 1 and 3 million square feet of poured gypsum per year for the last 15 years. We take pride in our impeccable record of providing quality installations year after year.

Applications

Gypsum underlayments are used in single family, multi-family and commercial construction in a variety of applications, including:

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Most new wood frame construction — whether hotels/motels, apartment complexes or other structures with a second story and above — specifies gypsum underlayment in its floor system design. Gypsum used as an underlayment replaces particleboard or other cement board underlayments.

Gypsum underlayments are often a key part of the floor system because this process adds critical elements to some UL-designed systems.

Advantages include:

  • Added sound control


  • Fire protection


  • The completion of the entire underlayment installation in just one day


  • In light of fluctuating wood product prices, gypsum underlayments offer an added advantage as a cost-effective choice in today's marketplace.

Underlayment Thickness

Over a wood floor, the standard thickness of gypsum underlayments ranges from 3/4" to 3" (inches) deep.

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Floor Leveling

Gypsum underlayments are used to level or flatten every kind of floor, including your problem floor areas. From commercial properties to residential garages and basements, our floor leveling processes may also be applied to level or flatten your problem floor areas.

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Floor Leveling Thickness

  • Over concrete substrates, the thickness ranges from featheredge or 0" to 7" (inches) deep.


  • Over wood substrates, the thickness ranges from 1/2" to 2-1/2" (inches) deep.

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Radiant Floor Heat

Gypsum underlayments are the most common choice as a thermal mass topping for thin slabs over wood floor construction. Go to Radiant Floor Toppings to learn more.

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Ready for a bid?

Please call us at 503.253.6373, send us an e-mail at info@ultraquietfloors.com or go to Contact Us for more information.


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