Rigid Foam And Batt Insulation Basement

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

Rigid foam and batt insulation basement.

Perhaps the most effective way to install basement insulation is to use both rigid foam insulation in conjunction with stud walls that also contain fiberglass batts. Rigid foam board is another common insulation option. I have insulated my basement so far with closed cell rgid boards 1 5. Use a premade kit for this type of project.

These boards offer better basement insulation than fiberglass. To attach the insulation you can use screws with large washers a special adhesive made for adhering foam board insulation or for smaller pieces you can seal them in with caulk or spray foam. Polystyrene and polyurethane are the most common materials used in making foam board. You do not need additional insulation on top of the rigid foam board on the non exposed walls.

I have a concern about insulating my basement. Foam board insulation is easy to cut with a circular saw with a masonry blade or scored with a utility knife and snapped like you would drywall. Insulate your basement part 3 in this episode justin fink explains the why and how of using foam insulation on masonry walls and demonstrates how to properly insulate the rim joist area with rigid foam and batt. When you are looking for polystyrene eps insulation board think halo.

The rigid closed cell foam is installed in large sheets usually no less than one and one half inches thick over the entire surface of the foundation wall. Paul march 6 2015 at 12 41 pm. Good luck with your basement renovation sounds like you have a great plan. I think your instincts are correct.

From below grade to above grade inside and out halo is the rigid foam insulating system designed perfectly for specific applications including basement floors. R 20 batt insulation blanket wrap. I suppose adding insulation on the exposed wall can t hurt and won t be very expensive maybe a hundred dollars or so for the batt insulation. Choosing the right thickness of exterior foam rigid foam must be thick enough to prevent condensation on the roof sheathing.

The foam insulation panels are usually made of polyurethane polyisocyanurate and polystyrene. Rigid foam can be used as sheathing a continuous layer of insulation on wall exteriors attached before the installation of house wrap and siding. Follow with a 2x4 frame wall and insulate it with batt insulation. Indoors rigid foam is the material of choice on walls where the insulation will be touching masonry mostly this means the exterior walls in basement build outs except for daylight facing walls such as.

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.