Acousti-Mat® LP
Acousti-Mat® LP warms up Ireland
Therma-Floor® over Acousti-Mat® LP over heating cables.

Therma-Floor® Data Sheet Maxxon Green Mark



Manufacturer:
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:
Therma-Floor® is a gypsum underlayment designed to pour over hot water tubes or electric heating cables. It acts as the thermal mass for any radiant floor system. Therma-Floor encases the tubes or cables in crack resistant, noncombustible gypsum. Its special formula resists breakdown to 150ºF (66ºC). And because it's poured only 1-1/4" (32 mm) thick, the heating system is more responsive and more comfortable.

Now offered in a "Green" formulation, Therma-Floor is an ideal solution for sustainable building projects.


Technical Data:
Compressive Strength: Typical range of 2,000 to 3,000 psi (14 to 21 MPa)
'K' Factor: 4.96 Btu/(h­ · ft² · °F) (.7142 W/[m · °C])
Specific Heat: .224 Btu/(lb · ºF) at 85ºF
(.9385 kJ[kg · ºC] at 29.44ºC)
Weight: At 1-1/4", less than 12 lbs./sq.ft.
(At 32 mm, less than 58.7 kg/m²)
Dry Density: 115 lbs./ft³ (1840 kg/m³)
Point Loading: Typical loading of up to 2,500 pounds (1134 kg)
on a 1" (25 mm) diameter disc
Thermal Resistance at 1" Thickness: R-0.208
Surface Burning Characteristics: Flame spread: 0
Fuel contributed: 0
Smoke density: 0
VOC: 0.12 mg/m³



'Green' Information:
Sample USGBC LEED Credit Areas*
Project Credit Category How Requirement is Fulfilled
Indoor Environmental Quality EQ 3.2 Construction Indoor Air Quality Management Plan

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

Materials & Resources MR 4.1 ‑ 4.2 Recycled Content Fly Ash
MR 5.1 - 5.2 Local/Reg. Materials Manufactured in Blue Rapids, KS 66411; Las Vegas, NV 89035; Camden, NJ 08103; Brunswick, GA 31520; Job site manufactured with local sand & water
* Credits may vary depending on project type and Maxxon products used.

Therma-Floor is a GREENGUARD certified gypsum underlayment  Therma-Floor is GREENGUARD Indoor Air Quality Certified®

For additional information on GREENGUARD, the USGBC, and Therma-Floor's qualifications for earning LEED points, please see our "Green" page.


Code Listings:
  • ER-3433
  • ER 90-31
  • ESR-1153
  • ESR-1774
  • GREENGUARD Indoor Air Quality

Maxxon provides underlayment, gypcrete, gypsum concrete and other flooring underlayment products for construction, remodeling and renovation.
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