The r value of the batt measures the thermal resistance so the higher the r value the more effectively.
Insulating walls from inside.
Most communities have building codes that require a minimum amount of insulation in a house s exterior walls and ceiling.
To the measurement to ensure a snug fit.
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.
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.
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.
In cold climates a vapor retarder on the insulation s inside face prevents condensation that robs r value and encourages mold.
Measure and cut the fiberglass batt for an exact fit.
Add the vapor barrier photo by ryan benyi.
The advantages of insulating interior walls.
The facing is a vapor retarder meant to slow the migration of water vapor through the wall.
Insulating interior walls isn.
Add about 1 4 in.
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.
These are ways to save money on heating and air conditioning.
The grade of batting will vary depending on the wall that you re insulating.
Of course this creates a serious mess indoors and requires extensive patching and painting of drywall.
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.
If you are installing fiberglass insulation in outside walls pay attention to the paper facing.
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 following video gives you a pretty clear view of the mess.
Trying to keep the cold weather out and the hot weather out has come to interior methods of insulation.
Choose fiberglass insulation batting.
Every gap and compressed batt leaves a path for heat or cold to escape.
For plumbing supply pipes work the full thickness of the insulation behind the pipe to help prevent it from freezing.