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"Gyp-Crete®", a mixture gypsum, Portland cement, and sand, is a building material used as a floor underlayment which is commonly used during construction for:
- Floor leveling prior to installation of floor coverings
- Sound reduction
- Radiant heating
It should be noted that "Gyp-Crete®" is a brand name trademark of Maxxon Corporation (www.maxxon.com), however it has become general use as a "common builders term" for gypsum concrete by trade professionals.
From the Manufacturer:
Product Description:
Gyp-Crete® Floor Underlayment is one of the most efficient fire and sound control products available for multifamily construction. Standing the test of time since 1972, Gyp-Crete makes for safer, quieter living, and has become a standard in apartments, condominiums, townhomes, hotels and motels nationwide and abroad.
Good ventilation is necessary. Open windows until underlayment is dry. Maxxon gypsum underlayments are inorganic and provide no source of nutrients to sustain mold growth.
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∙ 14y ago
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Can you apply a cementitious overlay over gypcrete?
yes if the gypcrete is cured, make sure you prime well,
What is gypcrete fence posts?
dont buy them
Can i install granite over gypcrete?
100% yes
What is the weight of gypcrete?
Approximately 7.2 lbs/sf at 3/4" thickness
Where can buy the equipment to poor gypcrete the mixer and the pump and what brand is recommended?
www.blastcrete.com
How do you raise the height of new floor tile to match the existing carpet height?
subfloor or gypcrete
Can you use self leveling on wood floors?
yes use a gypcrete with concrete sand mix at min 1/2 inch
Bought condo want to put wood floor the gypcrete is not level and no one wants to help?
You need to employ a builder to help you.
How much per square foot does gypcrete cost?
depends if commercial or raidant houses houses aprox.2,50 t0 2.85 depens where and what su.ft is . i work for RC SPRAY .COM
How much does 1 .5 inches of lightweight gypcrete weigh per sq ft?
It is about 7.2lbs/SF if the slab thickness is 3/4", since your slab thickness is 1 1/2" (double) so I would say it about 14.4 lbs/SF.
Is it a good idea to pour gypcrete over a subfloor to cover the pex tubes for radiant heat?
I'm not sure if it is but I plan to do exactly the same thing in a couple of weeks. I used the 'gold' version of waterproof, OSB-type tongue and groove boards - 4x8. The boards are glued and screwed onto steel floor trusses that are designed to handle the weight of the gypcrete. If you've learned more since you posted the question - please share. Regards, VB thumki@yahoo.com ____________ Yes, you can do that. It is normally done in two stages - 1st just enough to cover the tubing and next pour (+1/2" at least) to level the flooring surface. FIY, thermal mass is always preferred vs. lightweight concrete.
How long does gypcrete need to cure before you can tile floor?
7 to 10 days.Method of testing:Duct tape plastic film to a 12"x12" place on the floor and if the plastic does not have any condensation and the concrete does not appear darker there after 24 hours, the concrete is dry enough. You can over spray it (seal it up), next day put flooring down.
