Insulating an interior wall is usually not done with energy efficiency in mind, but rather, soundproofing capabilities. By packing insulation in the wall, you will deaden or muffle the sounds penetrating the wall. This is typically done for a bedroom or a bathroom wall to add privacy. Installing insulation in an interior wall is not a difficult job. The most important part of the process is to take careful measurements and wear the proper protective clothing.
- Skill level:
- Moderately Easy
Things you need
- Tape measure
- Utility knife
- Flat bar
- Claw hammer
- Safety glasses
- Long sleeve shirt and trousers
Measure the width between the wall studs and buy the proper insulation to fit the gap.
Measure the height of the wall cavity you will be insulating from floor to the ceiling.
Cut the insulation to fit. Lay the insulation on the floor, measure it to the height determined in Step 2 and cut with a utility knife.
Place the insulation between the studs, starting at the bottom and working your way to the top of the wall.
Cut insulation to fit around any obstructions such as outlets or pipes.
Insulating New Construction
Remove all the baseboard, door casing and crown moulding from wall with a flat bar.
Find any screws or nails holding the drywall on and remove using a claw hammer or screwdriver.
Cut the drywall and corners away from the ceiling and the other walls abutting the wall being insulated with a utility knife.
Pull the drywall off the wall and discard.
Check wall studs for any remaining nails or screws and remove them.
Measure the width between the wall studs and buy the proper insulation to fit the space.
Measure the height of the wall cavity that you will be insulating from the floor the ceiling, using a tape measure.
Cut the insulation to fit the space using a utility knife.
Place the insulation between the studs, starting at the bottom and working your way to the top of the wall. Take care to fit the insulation around outlets and other obstructions in the wall cavity.
Replace drywall and moulding.
Insulating an Existing Home Wall
Tips and warnings
- Do not insulate any stud cavities that will be used for heating or cooling ducts.
- If you are careful enough when removing mouldings and baseboards, you should be able to reuse them.
- Wear safety glasses, gloves and long sleeves and trousers when working with insulation.
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