Insulating Walls From Inside

If you are installing fiberglass insulation in outside walls pay attention to the paper facing.

Insulating walls from inside.

People have to move a lot sometimes and we need ways to insulate our home or specific rooms from the heat of summer and from the cold of winter. The r value of the batt measures the thermal resistance so the higher the r value the more effectively. Of course this creates a serious mess indoors and requires extensive patching and painting of drywall. Insulating interior walls isn.

In cold climates a vapor retarder on the insulation s inside face prevents condensation that robs r value and encourages mold. If warm moist air from inside a house travels through the wall it will condense when it hits the cold sheathing on the outside. Every gap and compressed batt leaves a path for heat or cold to escape. Trying to keep the cold weather out and the hot weather out has come to interior methods of insulation.

How do you feel about having a paper product insulating your walls. Most communities have building codes that require a minimum amount of insulation in a house s exterior walls and ceiling. The grade of batting will vary depending on the wall that you re insulating. Blowing insulation into walls from inside the house basically involves the same procedures but instead of removing siding holes are cut through the drywall with a large hole saw.

Add the vapor barrier photo by ryan benyi. The machine that blows the fiberglass or cellulose insulation into the walls has a large hopper to hold material and a long hose with a nozzle about 2 inches in diameter. To the measurement to ensure a snug fit. There are various grades of insulating batting for different locations in the house so you ll need a different insulation for interior exterior attic or basement walls.

With boric acid added for fire resistance shredded recycled telephone books tax forms and newspapers all contribute to making safe cellulose insulation blown in cellulose is injected into the wall cavities by a series of holes drilled into either the inside or outside of the walls. Choose fiberglass insulation batting. Add about 1 4 in. Slab insulation typically foam board is installed either directly against the exterior of the slab and footing before backfilling or under the slab and along the inside of the stem wall of the foundation.

These are ways to save money on heating and air conditioning. The following video gives you a pretty clear view of the mess. For plumbing supply pipes work the full thickness of the insulation behind the pipe to help prevent it from freezing. The facing is a vapor retarder meant to slow the migration of water vapor through the wall.