Despite all the bad publicity reflective insulation is getting lately i like to use it quite a bit on knee walls.
Insulating a knee wakk next to an attic.
It s right above the first floor bathroom and laundry.
One type of walk in attic door insulation to use is rigid foam insulation board.
There are two things you can do to help create an energy efficient attic door insulate and seal.
Without a little help 2 gable vents on each side of a knee wall attic won t move much air.
The sloped roof creates a small space that can hardly be use.
Walk in attic door insulation is an important part of your attic insulation.
How to insulate a finished attic.
I m in the middle of insulating the knee wall in my cape and i the way it was constructed there is a huge hole in the floor right below part of the knee wall measuring 15 x 24.
A job we finished last week dropped from 4060 to 2150 cfm50 just with knee wall air sealing we were able to get 8 of one wall that had no top plate.
You will use this on the attic side of the door.
In this video michael shows how to use spray foam fiberglass and foam board insulation to properly air seal and insulate a knee wall.
There are two ways to insulate triangular attics behind kneewalls.
1000 2000 cfm50 reductions are fairly common with this method.
That means insulating the attic floor only not the walls and having vents in the roof.
Watch as he shows st.
With a finished attic insulation must help keep the attic areas comfortable.
This method can be made to work but the necessary air sealing details are demanding and fussy.
Insulating this space inside the knee wall improves the energy efficiency of the home and prevents heat transfer from the attic.
1 use an r value map to determine the amount of insulation you need.
A finished attic should be insulated much like the rest of the house with insulation in the walls and ceiling.
The traditional approach is to insulate the kneewall and the attic floor behind the kneewall.