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Recommend me a material and technique, please. We are installing warm water tubing under wood frame subfloors, 1-3/4 x 9 1/2 I-joists, 16″ centers. I need a foil faced insulation with foil facing upward to create an insulated cavity. What have you used, and how did you install, to insulate this space?
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Recommend me a material and technique, please. We are installing warm water tubing under wood frame subfloors, 1-3/4 x 9 1/2 I-joists, 16" centers. I need a foil faced insulation with foil facing upward to create an insulated cavity. What have you used, and how did you install, to insulate this space?