Allowing interior air that is usually full of moisture especially in the humid summer months to touch cold surfaces will cause condensation and.
Foil faced insulation for basement walls.
Ap foil faced insulation is lightweight and easy to install.
I ve written several articles on insulating basement walls and evolved some of my methods over time.
Paul march 6 2015 at 12 41 pm.
Follow with a 2x4 frame wall and insulate it with batt insulation.
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.
Interior basement wall.
It is important not to mix them nor use the wrong faced insulation product for each task.
Mostly paper faced insulation is the best choice for neophytes in insulation installations.
Basements provide for a very challenging insulation problem.
Just buy un faced batts install them to grade 1 and build your air and moisture control systems in another layer big separate discussion.
Understanding when and how to use faced or unfaced insulation in walls is critical.
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.
I have a concern about insulating my basement.
This is an even more dense and more expensive foam board insulation.
Johns manville aptm foil faced insulation sheathing board is an excellent choice for insulating interior below grade walls.
Best methods for insulating basement walls.
You may be allowed to leave foil faced insulation uncovered check with your local building department.
One common use of extruded polystyrene foam board is for foundation insulation panels.
For a basement remodeling project consider insulating basement walls with foam board.
Attach the tongue and groove insulation boards to the concrete wall with adhesive.
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.
I have insulated my basement so far with closed cell rgid boards 1 5.
Spray foam is also an option but usually a lot more expensive than foam boards.
Use a premade kit for this type of project.
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.
When to use paper faced.
Faced insulation products not only use paper they can also use aluminum foil vinyl and even aluminum paper.
The damn facing obscures your work slowing down the installation and resulting in a poor insulation grade.