They Put R13 In My Attic

Determine the type of insulation needed for your attic.

They put r13 in my attic.

What is the right insulation for an attic. Batt and roll insulation also called blanket insulation are designed to fit between joists and wall stud cavities. When the insulation guys came did their test before doing the insulation it was 2500 cfm 50 pascals so not sure who to believe. 1990 today yes starting around 1990 the r value was bumped up to r 13.

It is not easily possible to add insulation to your walls. They didn t take an after test. Drill holes in the sheathing and blow insulation into the empty wall cavity before installing the. Put down r38 and the a second layer of no paper on top of that with covers for all the recessed lights.

All my ducts run under the floors single story home w basement. Now here s a situation where a homeowner what looks like many years ago added insulation they added a three inch layer but. There are a few other options as well but regardless your walls are insulated and you are not a candidate for additional blown in wall insulation. I don t have any ducts in the attic.

Commonly used for diy projects they work well in open spaces like attic floors. I put the insulation on top of the baffles with the paper facing out into the attic and not against the baffles. Cool air in hot air out. According to that test my house was 1370 cfm 50 pascals.

We removed all the blown in insulation. If the fiberglass within your wall cavity or in your attic becomes wet from a leaky roof or burst pipe it will lose insulating effectiveness until the material dries. We used batt insulation for our project. Homeowners also should insulate a garage completely including in the attic above it if they plan on turning the garage into another air conditioned room.

Air migrates from warmer spaces toward colder spaces and insulation is designed to help prevent or at least slow that migration. 1971 1990 yes your walls have a 3 5 thick r 11 fiberglass batt in them with near certainty. Wall insulation whenever exterior siding is removed on an. Coping with wet insulation.

Instead of insulating the garage attic. Thank you for the help. Ensuring your home has the proper attic ventilation according to these guidelines however can save yourself the stress and hassle of an emergency roof repair.