Doug Mossbrook

Doug Mossbrook's Posts

Q&A: Concrete Over Plywood Subfloor

Q: Before installing a thin concrete or gypcrete floor over a plywood subfloor, what kind of membrane should be installed over the plywood? Read more

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Q&A: Too Much Thermal Mass?

Q: When designing a radiant floor, can there be such a thing as too much thermal mass? Here in Alaska, we sometimes see the temperature jump from -10°F up to 40°F above in just a few hours. Read more

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Q&A: Using Dry Sand in a Radiant Floor

Q: How do you go about using sand instead of concrete for thermal mass in a radiant floor, as mentioned in the Sept. ’98 article "Hardwood Flooring Over Radiant Heat"? Read more

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Hardwood Flooring over Radiant Heat Hardwood Flooring over Radiant Heat

Hardwood floors can perform well over radiant heat, but it takes careful hvac design, good job-site moisture control, and careful coordination between the heating sub and the flooring contractor. Here’s what you need to know. Read more

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