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After Researching Over 20 Options for Exterior Walls Insulation, There is One Clear WinnerSome types of insulation tend to be thicker than others. For example, if you compare foam board with fiberglass or mineral wool insulation of the same R-value, the foam board requires less ...
Elevate's RESISTA is a high-performance polyisocyanurate (PIR) insulation board laminated on both sides to a gas-tight, multi-layered aluminum-kraft facer (AK) or mineral-coated glass fiber facer ...
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