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In: Home & Family
18 Jun 2009Are you tired of drafty floors and high utility bills, but can’t afford to pay someone to install insulation? I will educate you on Attic insulation and crawl space insulation so you will be able to insulate like a pro.
Before beginning crawl space insulation close foundation. Make sure all appliances in the crawl space have a powered combustion system before closing. Insulation should be taped at the seams and then fastened. After insulating, the house should be house wrapped or vapor barrier.
Once insulation attic insulation is complete, it’s suggested to add an air tight moisture barrier, for better moisture control. Once insulation is complete a good vent is needed. This will prevent roof damage.
Next insulate and secure the area. Some prefer fiberglass, others batt and blanket for crawl space insulation. Place insulation over the entire area, filling gaps. Use batts with a vapor barrier to cut and fit insulation around plumbing and electrical. Use foam or foam and fiberglass for band joints and air ducts. Use polyurethane foam for rim joist. Foam sheet or fiber glass should be used on foundation walls. Use insulation hangers 12-18″ apart to hold in place. Facing should face up unless you live in an area with mild winters and hot summers.
The final step is termites shield and moisture protection Install a termites shield between band joints and masonry foundation wall allow a 2-4″ gap for termite inspection. To stops moisture from entering the crawl space, seal the ground with polyethylene. Next use a facing over top taping all of the seams. Install a supply outlet for air.
Many prefer fiberglass for attic insulation. This should be installed with the backing facing out. Staple the insulation to the studs spacing the staples six inches apart. Cut special pieces for uneven areas pipes and wiring. This will guarantee an air tight seal. Because facing is flammable unfaced insulation should be used around heated sources. You should allow for 3″ around the lights so it can cool.
The last step in Attic insulation is to add an air tight moisture barrier across the rafters, if there are holes in the barrier patch with duct tape. Once this is done make sure you have good ventilation to prevent ice damage and to allow hot air to escape.
Crawl space and attic insulation takes a little time, but it isn’t difficult to accomplish. If you follow the manufacture directions and my advice, you too can have a more cost efficient home.