How To Put Insulation In Attic

There are many different ways to install insulation.

How to put insulation in attic. If installing fiberglass mats start by laying the mats at the furthest point from the attic access. Move across the attic until you ve hit your desired height at every point. Lay the batts across the ceiling joists covering the existing insulation. 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.

For the center areas hold the hose level and blow in insulation evenly until you ve reached your level lines photo 6. Old insulation is removed and the attic space is cleaned out. Place planks 1 by 6 or 1 by 8 or plywood sheaths across floor joists to improve. To install insulation.

Now that you ve air sealed your attic and basement check your attic insulation levels and add more if necessary. Batts and blankets insulation often comes with a vapor retardant facing and some varieties. If installing shredded insulation fill the attic space at least 15 inches high with insulation. Check pipes and vents.

Then pivot in place and do the same thing to the other side. The pros often use spray foam insulation or blow shredded insulation. Before installing determine the insulation material best suited for your home. Next any stored belongings or debris in the attic are removed and stored in a safe location that is out of the way.

This old house general contractor tom silva and host kevin o connor demonstrate the proper way to insulate an attic. Calculate how much you need. Blow in insulation until the hopper is empty. Installing a vapor barrier.

Installing attic insulation requires first preparing the surfaces around the attic entry to ensure that any contaminants in the attic aren t spread throughout the home. See below for a shopping list and tools. How to insulate an unfinished attic preparing an attic for insulation. So if you re installing insulation in an attic that doesn t have any used faced insulation and put the paper side down toward the ceiling.