What Are the Most Cost Effective Options for Crawl Space
Insulation
Are 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.
Attic insulation is often accomplished with fiberglass. When using this type of insulation make sure the backing
is facing toward you. You should secure insulation against studs, the staples spaced 6” apart. Special cut
insulation is needed for uneven areas, pipes and wiring. This will ensure an air tight seal. Unfaced material is
needed around heat sources. You should allow a 3” gap around light fixtures.
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.
Crawl space insulation is a little more difficult. The first step is to seal all of the leaks. Particularly
pipes, drains wiring and band joints.
Secondly choose the insulation. Most choose either batt and blanket or fiberglass. Once the insulation is chosen
begin placing the insulation. Be sure to cover the entire area. Unless you live in an area with hot summers and
mild winters insulation facing should face up. Plumbing and wiring should be insulated with Batt and blanket. For
band joints, air ducts and foundation walls fiberglass is preferred. Polyurethane foam is best for rim joist. Once
insulation is hung, secure with hangers spacing then 12-18” apart.
The final step in crawl space insulation is to protect your home against moisture and bugs. The crawl space dirt
floor should be covered in polyethylene and then facings on top. The facing seams should be taped to ensure a
better seal. Finally apply a shield against termites between band joints and the masonry foundation. It is wise to
leave a 3” for termite inspection.
Vented crawl space insulation precautions; appliances in the crawl space should have a powered combustion system
so vents can close. Once insulation is up the house needs vapor wrapped.
Attic insulation is necessary to prevent heat from escaping or invading your home. Crawl space insulation stops
cold air leakage and moisture retention. You have read the usefulness of both when it comes to lowering utility
bills and improving your homes value. You now have the knowledge to insulate your home properly. This will ensure
lower heating bills
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