Foil Faced Insulation For Basement Walls

For a basement remodeling project consider insulating basement walls with foam board.

Foil faced insulation for basement walls.

It provides an r value of 6 per inch of thickness and often comes foil faced to help reflect radiant heat. I have a concern about insulating my basement. Understanding when and how to use faced or unfaced insulation in walls is critical. This is an even more dense and more expensive foam board insulation.

When to use paper faced. Attach the tongue and groove insulation boards to the concrete wall with adhesive. I have insulated my basement so far with closed cell rgid boards 1 5. Follow with a 2x4 frame wall and insulate it with batt insulation.

Paul march 6 2015 at 12 41 pm. 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. Basements are a challenge because of high moisture levels and cooler temperatures. Mostly paper faced insulation is the best choice for neophytes in insulation installations.

One common use of extruded polystyrene foam board is for foundation insulation panels. It is important not to mix them nor use the wrong faced insulation product for each task. Use a premade kit for this type of project. Basements provide for a very challenging insulation problem.

The damn facing obscures your work slowing down the installation and resulting in a poor insulation grade. Polyiso provides one of the highest r values per inch of any rigid insulation r 6 at 1 inch. If you are planning to finish the basement however insulation faced with foil facing is not a good choice as it can trap moisture. Ap foil faced insulation is lightweight and easy to install.

Spray foam is also an option but usually a lot more expensive than foam boards. 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. Faced insulation products not only use paper they can also use aluminum foil vinyl and even aluminum paper.

Allowing interior air that is usually full of moisture especially in the humid summer months to touch cold surfaces will cause condensation and. 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. Interior basement wall. 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 ve written several articles on insulating basement walls and evolved some of my methods over time.