Which Way To Install Attic Insulation

Begin laying in the insulation starting at an area farthest from the attic access image 1.

Which way to install attic insulation.

Loose fill or batt the common term for blanket insulation. The facing on kraft faced insulation is made of kraft paper with an asphalt coating that makes the paper impermeable to water vapor. Attic insulation is installed in the floor of the attic so you ll need to do a few things to make the process straightforward. Batt and roll insulation also called blanket insulation are designed to fit between joists and wall stud cavities.

For this reason faced insulation is typically installed on the. I have install new insulation becasue of a valve leak got the old stuff wet. The paper creates a vapor barrier that helps keep the water vapor in the warm moist heated indoor air from migrating outward into the wall or other structure. To install insulation batts and blankets.

Using a straightedge as a guide make your. For diy attic insulation you ve got two choices. If you re installing additional insulation in an attic that s already insulated use unfaced insulation that doesn t have a vapor barrier. We used batt insulation for our project.

If installing shredded insulation fill the attic space at least 15 inches high with insulation. While wearing dust mask and gloves carry r 38 batts of unfaced fiberglass insulation into the attic. Start by installing temporary lighting such as clip lights and laying a few sturdy boards along the joists to create a walkway. When rolling the insulation cut it to length using a utility knife.

When you reach the end of a line pull the insulation back slightly then place it on a joist so there is a solid surface to cut on. Determine the type of insulation needed for your attic. Commonly used for diy projects they work well in open spaces like attic floors. But the inspection report says that the attic.

If using insulation with a vapor retardant facing install the material with the vapor retardant side down. Begin at a wall and work toward the center of the attic floor or the entryway carefully placing insulation between joists and ensuring a snug fit. Once you ve decided which type is best for you examine the material options and prices to home in on the right product. So i am not sure which way to install the new insulation.

There are many different ways to install insulation. Chris august 17 2012 at 5 13 am. Lay the batts across the ceiling joists covering the existing insulation. If installing fiberglass mats start by laying the mats at the furthest point from the attic access.

In this video this old house general contractor tom silva and host kevin o connor explain how to insulate an attic. The pros often use spray foam insulation or blow shredded insulation. You can find out more in our articles on how to apply a vapor barrier to attic insulation and which way to face insulation. I live in illinois and it gets cold in the winter.