狠狠撸

building science air leakage building envelope air barrier air tightness airtightness thermal energy insulation ventilation rdh r-value blower door infiltration airflow stack effect pressurized corridor exfiltration vapor permeable roof moisture mould condensation shingles night sky radiation building engineering attic deflection building enclosure bcbec mineral wool testing exterior insulation thermal bridging cladding attachment load testing vapour permeable membrane