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Rigid panel insulation is made from fibrous materials (fiberglass, rock and slag wool) or from plastic foam. They are sometimes sold in sections designed to fit tightly in standard wall cavities. When sold this way, they are called "batts", and they come in different thicknesses to match the depth of wall cavities, for example, approx. 5½ inches to match a 2 x 6 inch wall cavity. ==Uses== Where rigid panels are most often used: * Some, such as EPS "beadboard", are suitable for ground contact and are used against footings and exterior backfilled foundation walls. * Against exterior exposed foundation walls (should be coated to protect from sunlight). * Against exterior walls between foundation and roof, installed between sheathing and siding. * Either under or on top of the roof sheathing. * Inside unfinished interior walls, either as pre-cut batts, or as panels cut to fit inside walls and secured in place. * Where space is limited and you need to pack great insulating capacity into a small space. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Rigid panel」の詳細全文を読む スポンサード リンク
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