Measure the length and width between two rafters in your attic and transfer the measurements to a 4 ft by 8 ft of rigid foam insulation board.
Attic insulation between the rafters.
Staple it to the rafters or scabbed on boards with a staple gun so that the paper backing is toward the interior of the room to act as a vapor.
Install ventilation baffles into the space between the rafters before you install the insulation usually by stapling into place.
Once you have these in place measure the length of the spaces between your rafters.
For rolled insulation place it between roof rafters.
Cut each piece of insulation an inch or two longer than needed to assure a snug fit.
2 snap a chalk line between the length measurements.
Use your straightedge to compress the insulation before cutting and use a very sharp utility knife to assure a good straight cut across the fiberglass batt.
Push the insulation in place between the rafters but be careful not to compress the material.
Make sure it is flush against the wood as even a 1 inch gap can cause a 20 percent heating loss.
Time to get the insulation finished and get this place warm.
For insulation to reach its full potential for preventing warm air migration it must maintain the.
If your attic is going to be converted into livable space then you will need to insulate the roof rafters.
Then feed the rolled insulation under wires and pipe if either is present.
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