Putting Insulation In Basement Walls

I recently framed my basement walls with 2 of eps foam fastened to the exterior wall with all seams taped and corners spray foamed.

Putting insulation in basement walls.

I have a concern about insulating my basement. 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. Paul march 6 2015 at 12 41 pm. We have a room in our finished basement that we want to put rigid insulation onto to keep the cold out.

I have insulated my basement so far with closed cell rgid boards 1 5. Water vapor in the warmer air of your home begins to condense on the colder surface of the glass of water. When insulating concrete basement walls a good idea because concrete basement walls are often cold use rigid foam board insulation if the insulation will come into direct contact with the. I left a 1 gap between the foam and framing and when i insulated the walls with r12 batt insulation i noticed moisture forming behind the insualtion where the insulation was contacting the foam.

I cannot get 2 eps behind studs since ceiling is finished with dry wall in place. The problem is the room is only 5 wide so we don t have room to build the frame for the wall board installation. It provides an r value of 4 per inch of thickness and is the cheapest type of foam board insulation. In fact improperly insulated basement walls are one of the biggest reasons for mold in homes.

Extruded polystyrene foam can be yellow pink or blue depending on the manufacturer for insulating basement walls. Basement walls were drylocked and then framed with wood studs 1 2 from wall. Avoid expanded foam insulation the type that has little white beads pressed together when insulating basement walls because it isn t as durable and has a lower r value. Hey todd i live in ohio.

This foam board insulation is the rigid pink or blue panels that can be found at home centers in many different thicknesses. Eps is used under roofing over foundation walls and beneath siding. Basement insulation walls. We d like to put the rigid insulation up but do the framing wallboard in the warmer weather.

Could i put 1 2 eps behind studs to seperate studs from foundation wall then put faced fiberglass insulation between studs and then 1 2 drywall. Basement insulation is far more complicated than insulating regular wood framed walls. If you don t do this correctly you ll be exposing your family to dangerous mold exposure.