Insulating Walls From Inside

Add the vapor barrier photo by ryan benyi.

Insulating walls from inside. If you are installing fiberglass insulation in outside walls pay attention to the paper facing. Every gap and compressed batt leaves a path for heat or cold to escape. Most communities have building codes that require a minimum amount of insulation in a house s exterior walls and ceiling. Trying to keep the cold weather out and the hot weather out has come to interior methods of insulation.

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. The facing is a vapor retarder meant to slow the migration of water vapor through the wall. 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. It s easy to insulate your walls with fiberglass insulation at least when they re open but the job still requires attention to detail to get the maximum benefit.

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. The advantages of insulating interior walls. For plumbing supply pipes work the full thickness of the insulation behind the pipe to help prevent it from freezing. To the measurement to ensure a snug fit.

Add about 1 4 in. Measure and cut the fiberglass batt for an exact fit. These are ways to save money on heating and air conditioning. How do you feel about having a paper product insulating your walls.

The following video gives you a pretty clear view of the mess. If warm moist air from inside a house travels through the wall it will condense when it hits the cold sheathing on the outside. Of course this creates a serious mess indoors and requires extensive patching and painting of drywall. The grade of batting will vary depending on the wall that you re insulating.

Insulating interior walls isn. Choose fiberglass insulation batting. In cold climates a vapor retarder on the insulation s inside face prevents condensation that robs r value and encourages mold. 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.