Blog Feature

home insulation

By: Amanda Emery
March 25th, 2021

How to Tell if a Wall is Insulated Quick Answer: You can check insulation in walls by removing an outlet cover or light switch to take a quick peek inside the wall to determine if there is any existing insulation in there. Another option is to drill a hole somewhere inconspicuous, like in the closet or under the baseboard, to take a look.