Insulating Walls After Drywall

Sound dampening insulating interior walls.

Insulating walls after drywall.

The best time to insulate all walls is during new construction but it s possible to add insulation to existing walls without tearing off the drywall. Remove all the trim from the exterior walls window and door casings baseboards crown molding you name it and rip the drywall and studs off the block walls. Extruded polystyrene foam can be yellow pink or blue depending on the manufacturer for insulating basement walls. Walter p otisville ny.

How to insulate a house without taking down drywall. The preferred method is to cut holes between each stud and use an insulation blower to fill the wall with loose insulation. Insulating a finished wall is a lot more complicated but it might be worth it if your walls have no internal insulation and your heating bills are through the roof. Avoid expanded foam insulation the type that has little white beads pressed.

I have had a great experience from foamitgreen. Adding 2 inch thick insofast panels will bring your walls to r 13 30 percent more than the iecc minimum. 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. The grade of batting will vary depending on the wall that you re insulating.

Start by gluing 3 4 inch extruded polystyrene foam insulation to fit against the rim joists and foundation walls. If you re renovating your structure probably lacks good insulation. In a perfect world you would be able to unscrew invisible bolts remove drywall panels install insulation and reinstall the panels our less than perfect world of permanently attached wallboard means time consuming hacking away of gypsum individually removing drywall screws or nails installing r 13 or greater fiberglass roll insulation and re installing the drywall. Choose fiberglass insulation batting.

Some experts say a homeowner can save 10 percent of his. 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. Filling existing walls insulating existing walls with spray foam insulation. Of course this creates a serious mess indoors and requires extensive patching and painting of drywall.

Before you can install these panels you ll have to do some demolition. Higher energy costs are making homeowners more aware of the need for proper insulation. The r value of the batt measures the thermal resistance so the higher the r value the more effectively.