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We founded WBI in 2000 with the granting of our patent for radiant panel systems. Since then we have introduced a variety of radiant heating panel systems. We have united these products under our original brand to offer you the best options for your radiant needs.
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Ecowarm RadiantBoard is our most widely-sold panel due to its high quality and performance. The panels are constructed using top-grade premium plywood substrate favored by many custom home builders with thicker aluminum laminate and radiant tubing spaced 12" apart.
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Thermalboard is a lower profile product that utilizes a sustainable substrate favored in the green building community with a thinner aluminum laminate and radiant tubing spaced 8" apart.
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WBI offers a variety of radiant solutions favored by architects, custom home builders, radiant contractors, and more.
About WBI![]() | ![]() | |
| Ecowarm® RadiantBoard™ | Thermalboard | |
| APPLICATION | Over Subfloor | Over Subfloor |
| SUBSTRATE | Premium 7-Ply Plywood Substrate | Sustainable MDF LEED® v4 Credit Support |
| THICKNESS | 3/4″ | 5/8″ |
| PEX SIZE | 1/2″ | 3/8″ |
| PEX SPACING | 11.75″ OC | 8″ OC |
| BOARD SIZE | 23.5″ x 47″ | 16″ x 48″ |
| COST | Competitive | Low Cost |
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Ecowarm RadiantBoard is a product of WBI. Warm Brothers Incorporated (WBI) was founded in the year 2000 with the granting of patent 22323 for radiant panels systems.
The company has been offering several radiant panel designs under different patents manufactured in both the Eastern and Western United States under several brand names providing the broadest offering of radiant panel solutions in the industry.