Foil Faced Insulation For Basement Walls
For a basement remodeling project consider insulating basement walls with foam board.
Foil faced insulation for basement walls. Allowing interior air that is usually full of moisture especially in the humid summer months to touch cold surfaces will cause condensation and. Johns manville aptm foil faced insulation sheathing board is an excellent choice for insulating interior below grade walls. And that s what s going on when you attempt to hang faced fiberglass. Ap foil faced insulation is lightweight and easy to install.
If you are planning to finish the basement however insulation faced with foil facing is not a good choice as it can trap moisture. Basement walls should be insulated with non water sensitive insulation that prevents interior air from contacting cold basement surfaces the concrete structural elements and the rim joist framing. This is an even more dense and more expensive foam board insulation. It provides an r value of 6 per inch of thickness and often comes foil faced to help reflect radiant heat.
Use a premade kit for this type of project. The damn facing obscures your work slowing down the installation and resulting in a poor insulation grade. You may be allowed to leave foil faced insulation uncovered check with your local building department. Mostly paper faced insulation is the best choice for neophytes in insulation installations.
Follow with a 2x4 frame wall and insulate it with batt insulation. Basements are a challenge because of high moisture levels and cooler temperatures. Understanding when and how to use faced or unfaced insulation in walls is critical. Faced insulation products not only use paper they can also use aluminum foil vinyl and even aluminum paper.
A well insulated home keeps you toasty in the winter and cool in the summer but it should do more than that too because it is a big part of creating the vapor barrier that protects your drywall. I have insulated my basement so far with closed cell rgid boards 1 5. Paul march 6 2015 at 12 41 pm. Interior basement wall.
Best methods for insulating basement walls. Polyiso provides one of the highest r values per inch of any rigid insulation r 6 at 1 inch. I ve written several articles on insulating basement walls and evolved some of my methods over time. Basements provide for a very challenging insulation problem.
Spray foam is also an option but usually a lot more expensive than foam boards. I have a concern about insulating my basement. It is important not to mix them nor use the wrong faced insulation product for each task. Now do i do the floors next with the same r igid boards plywood on top then my studded walls filled with pink insulation or do i put my studded walls after my rigid foam on the walls and then the floors with rigid foam.
Attach the tongue and groove insulation boards to the concrete wall with adhesive.