Square footage of your attic.
Attic faced insulation installation.
When using insulation that has either paper or plastic facing.
The basic installation steps are the same for walls ceilings floors and roofs in wood frame houses.
Run the unfaced strips perpendicular to the joists and butt each strip tightly together to form an airtight blanket of insulation.
Install batting between the roof rafters for finished attic spaces.
Lay the batts across the ceiling joists covering the existing insulation.
The facing contains a thin layer of asphalt which acts as a vapor barrier to block moisture.
Type and material of your insulation.
While wearing dust mask and gloves carry r 38 batts of unfaced fiberglass insulation into the attic.
Regardless of whether fiberglass insulation is installed in a wall attic or crawlspace.
If there is already insulation between the joists increase the r value by installing unfaced roll insulation right on top.
The main factors that impact the cost are.
If you re insulating framed walls make sure the insulation is the correct thickness for your wall studs.
While there is no actual problem to install it the other way around it will require drywall to cover the paper and prevent accidental fires.
When you install paper faced insulation it is important to remember to set it with the paper facing the wall.
Achieving greater r values in attics the higher the r value the better the thermal performance of the insulation.
Use our roll insulation calculator to estimate how much roll or batt insulation you ll need.
You can use either faced or unfaced batting for this installation.
Contractor or insulation installer s fee.
Most insulation products are fire retardant.
If your attic floor has no insulation install faced batts or faced rolls between each joist with the moisture barrier facing down against the drywall or plaster ceiling below.
Attic insulation is available with and without a paper facing.
Cut the insulation roll or batt to fit the length of the framing cavity if necessary.
According to home advisor insulating your attic can cost between 1700 to 2100.
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.
It s important to use the right type of insulation to prevent moisture problems in your attic.
Place the insulation with the facing side down on a piece of scrap plywood.