Do It Yourself Spray Foam Insulation


During the winter months, cold drafts come in from every nook and cranny, cooling your home's temperature and needlessly elevating your monthly utility bills; which costs you money. Each draft that you block lowers your utility bills; therefore, insulating every draft makes good financial sense. These small spray foam insulation jobs may be easily accomplished using a can of insulating spray foam. Larger insulation tasks with obvious areas to be insulated require a box or two of expanding spray foam and its applicator gun to get the job done with ease.

Things You'll Need

  • Cans of expanding foam insulation
  • Boxes of spray foam insulation & applicator gun
  • Shake the can of expanding foam insulation before attempting to inject the nozzle into a crevice or other source of draft. The can comes equipped with a thin, straw-like attachment that fits onto the nozzle to access and spray foam into cavities with tiny openings.

  • Note the rapid expansion of the foam as it increases in volume. This ensures a good seal with no air-gaps to allow drafts to access your home. An added bonus to using spray insulation is that it helps soundproof and deaden noise.

  • Follow the directions on the large box of spray foam insulation on how to use the applicator gun to get major insulating jobs done which have a large surface area to cover. An example of a large space to treat with spray foam insulation is the crawl-space of your home that needs insulating against the cold between the floor joists. Spray insulating foam is easier to handle and apply, than awkward batts of fiberglass insulation—and safer for your health.

  • Paint over dried and cured spray foam insulation to match wall paint or window frame colors. You may wish to cut and sand your cured spray foam insulation.

  • Coat your roof with spray foam insulation for exceptional insulating qualities in both the winter and summer. Application of spray foam insulation helps with existing leaks and roofing edges.

  • Note advantages of using spray foam insulation are many. It is non-toxic and easier to handle than fiberglass batts. All houses expand and contract with weather conditions; spray foam insulation does, too. It doesn’t collect dust and insects like fiberglass batts, and it seals air leaks.

Tips & Warnings

  • Wipe off any stray drips of spray foam insulaton with a damp cloth.
  • Always wear safety goggles and follow the manufacturer's recommendations for safety gear.

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