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.
Therma-Floor, an Eco-Friendly Building Product, is an ideal solution for sustainable building projects.
|Compressive Strength:||Typical range up to 3,000 psi (20.7 MPa)|
|'K' Factor:||4.96 Btu/(h · ft² · °F) (.7142 W/[m · °C])|
.224 Btu/(lb · ºF) at 85ºF
(.9385 kJ[kg · ºC] at 29.44ºC)
At 1-1/4", less than 12 lbs./sq.ft.
(At 32 mm, less than 58.7 kg/m²)
|Dry Density:||115 lbs./ft³ (1,842 kg/m³)|
Typical loading of up to 2,500 pounds (1,134 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:||GREENGUARD Gold Certified|
For additional information on GREENGUARD, the USGBC, and Therma-Floor's qualifications for earning LEED points, please see our "Green" page »Code Listings:
- ICC ESR-2540
- UL ER 8477-01
- ICC ESR-1141
- ICC ESR-1153
- ICC ESR-1774
- GREENGUARD Certified
- GREENGUARD Gold Certified
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