Achieving greater r values in attics the higher the r value the better the thermal performance of the insulation.
Which way does insulation gos ine the attic.
So it s time to pay close attention to what s happening up there.
This barrier is meant to keep moisture from getting to the insulation in the walls and ceilings and it is required by building codes when insulating most houses.
Vapor barriers are sheets of plastic or other material placed on one side of insulation sheets.
If it is located in a conditioned part of the house also remember to insulate and air.
I appreciate that especially coming from a fellow summer camper.
Proper attic insulation is the best way to prevent heat loss in the winter and retain cool air in the summer.
To find out if you have enough attic insulation measure the thickness of the insulation.
Whether you choose faced or unfaced insulation for the attic depends on the.
If you do this the shiny side of the.
Find your zone on the map and then use the chart to determine the level of insulation you need to properly insulate your attic walls floors and crawlspaces.
You only want one vapor barrier in your attic and it should be as close to the ceiling as possible to prevent warm moist air from coming up from the heated house and condensing when it hits the cold air in the attic.
Before insulating seal any air leaks and make roof and other necessary repairs.
Hi cheryl the paper facing on insulation has an asphalt layer which acts as a vapor barrier.
Because the simplest and cheapest way to insulate an attic is to add material to the floor.
Why can t i install it the other way regardless of whether insulation is installed in a wall attic or crawlspace.
Drying potential is important.
But if the floor is covered in plywood you can t stuff enough insulation beneath it to do the job sufficiently not even in warm climates.
If it is less than an equivalent of r 30 you could probably benefit by adding more.
Plan to pull up the flooring and layer new insulation on top of the old.
Facing is a thin layer of paper or plastic attached to one side of batting insulation which is sold in a roll.
I think the only way to do that effectively would be with modular homes where they building inside out.
In any case the vapor barrier must point to the warm side.
The drywall goes in before the exterior sheathing does.