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Infrared thermography during depressurization testing reveals air leakage at corner of spray foam-insulated room where wood-to-wood seams in framing were not air sealed
Limited attic access can make inspections for missing air barriers and insulation challenging
Right – This attic knee wall and the floor joist cavity openings beneath it are being sealed and insulated with spray foam.
Right-- IR photo shows how effectively spray foam insulated/air sealed attic kneewall and the floor cavities under kneewall
The attic kneewall and the open floor cavities under kneewall are both sealed and insulated in one step with spray foam insulation