How To Lay Batt Insulation In Attic

Lay the batts perpendicular to the joists so they do not compress the insulation below.

How to lay batt insulation in attic. As you will most likely find the attic floor will have joists running along it and both the vapor barrier and batt needs to be cut accordingly to fit in between these joists. Insulating your attic is a great way to provide that extra layer that your house needs in order to make your home as comfortable as possible. Once the old insulation has been removed and the attic is cleaned the installation of the new insulation can begin. Typically this is done either by placing batt or roll insulation in between the ceiling joists or by using a blower to blow loose fill insulation in between the joists.

It s safer to build a small enclosure with hardware cloth or plywood to keep loose insulation away from lights and exhaust fans. Check pipes and vents. Before installing determine the insulation material best suited for your home. Use cardboard or rigid foam baffles to keep soffit vents open.

While wearing dust mask and gloves carry r 38 batts of unfaced fiberglass insulation into the attic. Calculate how much you need. Continue laying down the insulation making sure the batts are pressed tightly together at all edge and end. Lay the batts across the ceiling joists covering the existing insulation.

The first step in the insulation process involves cutting and laying onto the floor both the vapor barrier depending on climate and batt insulation. This allows the termination of the batt in an area. Position the batt of insulation at the outer edge of the attic and roll the batt in the channel between the joists toward the center of the attic. Don t cover can lights unless they are rated for contact with insulation.