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How to insulate under hot water radiant flooring over a crawlspace?

I just built a small extension on my wood frame house. We are in the northeast (winters down to the low teens). We added three small rooms (mudroom, laundry, bath). They all now have hot water ...
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How should I insulate hydronic radiant heating under floorboards

A couple weeks ago a contractor installed hydronic radiant heating at my place. The building is two floors (studio above a garage) and the heating was installed under the floorboards. When he finished ...
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What kind of insulation should we put under new tin roof?

We live in an old long leaf pine farmhouse that has no insulation in it. We are going to be putting a new metal roof on the house. The attic of the house was made into living space and so there is ...
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107 views

Would a radiant barrier help stop this heat transfer?

Using my nifty thermal camera, I discovered that my furnace closet's combustion air duct (visible in this question) is getting really hot when the attic heats up, and then (being sheet metal) it ...