Do It Yourself: Air Sealing

Air infiltration can reduce comfort and lower the overall efficiency of your home. Below are a few air sealing tips:

  • Feel for air leaks around places like windows, doors and wall/ceiling penetrations
  • Seal smaller air leaks with caulk, spray foam or weather stripping
  • Seal larger air leaks with rigid foam board, or another hard substrate, then foam or caulk in place
  • Seal gaps around heated areas, like around chimneys or flues, with a high temperature caulk or metal flashing
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