How To Put Insulation In Attic

Blow in insulation until the hopper is empty.

How to put insulation in attic.

For the center areas hold the hose level and blow in insulation evenly until you ve reached your level lines photo 6. If installing shredded insulation fill the attic space at least 15 inches high with insulation. Calculate how much you need. Batts and blankets insulation often comes with a vapor retardant facing and some varieties.

There are many different ways to install insulation. Lay the batts across the ceiling joists covering the existing insulation. 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. How to insulate an unfinished attic preparing an attic for insulation.

If installing fiberglass mats start by laying the mats at the furthest point from the attic access. Installing a vapor barrier. See below for a shopping list and tools. Place planks 1 by 6 or 1 by 8 or plywood sheaths across floor joists to improve.

The pros often use spray foam insulation or blow shredded insulation. Choose your insulation type. 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. 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.

Next any stored belongings or debris in the attic are removed and stored in a safe location that is out of the way. Before installing determine the insulation material best suited for your home. While wearing dust mask and gloves carry r 38 batts of unfaced fiberglass insulation into the attic. Move across the attic until you ve hit your desired height at every point.

This old house general contractor tom silva and host kevin o connor demonstrate the proper way to insulate an attic. Then pivot in place and do the same thing to the other side. The attic is the easiest place to add insulation to improve your comfort and the energy efficiency of your home. Check pipes and vents.