Best Insulation To Use In Attic Over Existing Insulation

In a cooling climate a good blanket of attic insulation helps keep the house cooler and reduces the load on air conditioning equipment.

Best insulation to use in attic over existing insulation. Insulation should be rolled out perpendicular to the joists and unfaced rolls should be used. Add weatherstripping around the perimeter and a sweep to the door of a walk up attic. Most attics are insulated with blown in loose cellulose r 3 5 per inch blown in loose fiberglass r 2 5 per inch or fiberglass batts r 3 2 per inch. The table below shows what levels of insulation are cost effective for different climates and locations in the home.

It can be effectively blown over existing insulation and. Rising as it warms air flows up from the eaves and out of ridge or gable vents carrying off moisture. R value is a measure of insulation s ability to resist heat traveling through it. Any existing batt or roll insulation in the attic should have the facing against the attic drywall floor or no facing at all.

Use a zippered insulated tent to keep the enclosure draft free attic tent at 7 attic cover insulator 120. This comes in rolls that fit between the studs of a 2 4 framed wall. Pull down stair or ladder. Batt or rolled insulation or blown loose fill insulation fiberglass or cellulose can be installed on top of old insulation.

Insulation level are specified by r value. Get the most effective way to prevent heat loss in winter and contain cool air in summer by getting the best attic insulation services at above beyond exteriors remodelers. Attic hatch or door. Cellulose insulation has an average thermal value of r 3 7 so you d need just over five inches to equal an r 19 batt.

When the time comes to sell your home a well insulated attic is a plus. A bag of cellulose runs about 11 50 and will cover 36 7 square feet at a. After you air seal openings in the attic floor and cover it with an appropriate amount of insulation nature does the rest. Best of all insulation is relatively easy to install and the average attic can be completed over the course of a weekend.

The higher the r value the better the thermal performance of the insulation. Get in touch today of our certified attic insulation experts for a free estimates 908 588 9575. For wall insulation in 2 4 walls typically an older home you should use r 13 or r 15 kraft faced fiberglass insulation. Affix rigid foam insulation to the attic side of the hatch or door.