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Open or closed attic.
To provide background the house has a hot unfinished attic with blown cellulose and fiberglass insulation beneath the floor and no insulation along.
They need to be open in the summer.
It even rained and the sill got wet but not the floor.
Here s what s open or closed in la oc ie vc.
My parents house has two small windows in the attic that open.
Closed cell foam can also increase the racking strength of attic walls which.
Open cell foam has an r value of about 3 5 to 3 7 per inch while closed cell foam has an r value of about 6 per inch.
When the attic becomes part of the home to be heated and cooled open wall gable vents and roof vents are no longer feasible but the underside of the roof the sheathing and rafters can still.
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Although air should circulate year round through the attic your house will probably be more comfortable if you cover the foundation vents in the winter.