Gypcrete Cost per Square Foot


Written by:  Howmuchisit.org Staff

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The brand name, Gypcrete, a Maxxon Corporation trademark, is a form of building material that is commonly used as a floor underlayment, sound reduction and in wood-frame and concrete construction for fire ratings and is highly popular in apartments, condominium projects and hotel constructions.

A mixture of sand, Portland cement and gypsum plaster, Gypcrete, today, has been the commonly used term by construction professionals and was started in the early 190s.

Gypcrete Cost per Square Foot
Pouring the shed slab” (CC BY 2.0) by davef3138

Gypcrete cost per square foot

The costs of Gypcrete will greatly vary on your geographical location, the current market, the installer you choose and the scope of your project in the case of hiring a professional contractor.  From most of the quotes we did research, the average price, when hiring a professional contractor, seemed to be in the $2.50 to $6+ per square foot range.

For example, on this JohnBridge.com forum thread, we did find one member who was quoted $2.33 per square foot for a 4,500 square foot flooring project, poured 1.25 inches deep.   This quote was coming from a contractor who was offering a “special” sale and had to travel 150 miles to the job site.

Pros and cons of Gypcrete

Light and fire-resistant: It’s light in weight and resistant to fires, with the average 1.5-inch slab weighing close to 13 pounds a square foot in comparison to 18 pounds a square foot for traditional concrete.  Even though it is lighter in weight, it’s still similar in strength when compared to concrete, especially when used as either as an underlayment and/or top coat flooring.

Sound:  Aside from being fire resistant, Gypcrete is said to be better at drowning out sounds.

Fast labor time: For labor time, the average experienced labor professional can install up to six times the amount of Gypcrete in comparison to regular poured concrete because of the runny gypsum.

No subfloor chipping: Nails are able to be forced into the subflooring without any chipping.  Cracking, however, can be noticeable on some projects, depending on the install.

Sealing:  The company does note that Gypcrete can seal better than traditional concrete.

Higher costs: The costs, as mentioned, can be higher than regular concrete, which often can cost $2.50 to $4+ per square foot.  Also, due to the higher costs, some say you may find it harder to find a local supplier who carries this product.

Curing:  Gypcrete takes less time to cure at about 90 minutes.

Shrinking:  Professionals who have worked with the material claim that the concrete will shrink about any tubing where temperatures fluctuate, essentially creating a less efficient heat transfer from the tubes to the flooring slab.


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