DEEP ENERGY RETROFIT: AIR SEALING PENETRATIONS
At our Beechwood Deep Energy Retrofit (DER) project we are experimenting with a few different methods for air sealing penetrations. The first photo shows a neoprene flashing boot (usually used for waterproofing roof penetrations) installed around our sump pump discharge. To connect the flashing boot to the primary air barrier (Sto Gold Coat on existing […]
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