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.
Therma-Floor, an Eco-Friendly building product, is an ideal solution for sustainable building projects.
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Technical Data:
| Compressive Strength: |
Typical range of 2,000 to 3,000 psi (14 to 21 MPa) |
| 'K' Factor: |
4.96 Btu · in/(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
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| VOC: |
GREENGUARD Gold Certified |
'Green' Information:
| Sample USGBC LEED Credit Areas* |
| Project |
Credit |
Category |
| Environmental Quality |
EQ 2 |
Low Emitting Materials |
| |
EQ 4 |
Indoor Air Quality Assessment |
| |
EQ 9 |
Acoustic Performance |
| Materials & Resources |
MR 3 |
Building Product Disclosure and Optimization - Sourcing Raw Materials |
* Credits may vary depending on project type and Maxxon products used.
Therma-Floor is GREENGUARD and GREENGUARD Gold Certified.
For additional information on GREENGUARD from UL Environment, the USGBC, and Therma-Floor's
qualifications for earning LEED points,
please see our "Go Green" page.