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Gyp-Crete® Data Sheet



Maxxon® Corporation
920 Hamel Road
P.O. Box 253
Hamel, MN 55340
Phone: 1-800-356-7887 or (763) 478-9600
Fax: (763) 478-2431

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.
Gyp-Crete underlayment is fire resistant

Technical Data:

Compressive Strength: Up to 2,200 psi (15 MPa)
'K' Factor: 4.75 Btu · in/(h · ft² · ºF) (.6840 W/[m · ºC])
Specific Heat: .223 Btu/(lb · ºF) at 85ºF
(.9343 kJ[kg · ºC] at 29.44ºC)
Weight: At 3/4", 6.9 lbs./sq.ft.
(At 19 mm, less than 31.8 kg/m²)
Dry Density: 110 lbs./ft.³ (1,762 kg/m³)
Point Loading: Minimum loading of 2200 lbs. on a
1" (998 kg on a 25.4 mm) diameter disc
Surface Burning Characteristics: Flame spread: 0
Fuel contributed: 0
Smoke density: 0
VOC Emissions: GREENGUARD Gold Certified

'Green' Information:

Sample USGBC LEED Credit Areas*
Project Credit Category How Requirement is Fulfilled
Indoor Environmental Quality IEQ 3.2 Air Quality Before Occupancy

GREENGUARD Certified (Field testing MUST be completed prior to claiming credit)

IEQ 4.3 Low Emitting Materials: Floor System GREENGUARD Gold Certified
Materials & Resources MR 2 Construction Waste Management Recyclable packaging and shipping materials
MR 4 Recycled Content Fly Ash
MR 5 Local/Regional Materials Manufactured in Blue Rapids, KS 66411; Las Vegas, NV 89035; Camden, NJ 08103; Job site manufactured with local sand & water
Innovation & Design ID 1 Sound Control Enhanced living environment
* Credits may vary depending on project type and Maxxon products used.

Gyp-Crete 2000 is a GREENGUARD certified gypsum floor underlayment 

Gyp-Crete is GREENGUARD and GREENGUARD Gold Certified.
For additional information on GREENGUARD from UL Environment, the USGBC, and Gyp-Crete 2000/3.2K's qualifications for earning LEED points, please see our "Go Green" page.

Code Listings:
  • ESR-2540
  • UL ER 8477-01
  • ESR-1153
  • ESR-1141
  • ESR-1774
  • HUD951i
  • GREENGUARD Certified
  • GREENGUARD Gold Certified