Putting Insulation In Basement Walls

It provides an r value of 4 per inch of thickness and is the cheapest type of foam board insulation.

Putting insulation in basement walls.

Think of a glass of ice water. 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 recently framed my basement walls with 2 of eps foam fastened to the exterior wall with all seams taped and corners spray foamed. Paul march 6 2015 at 12 41 pm.

The problem is the room is only 5 wide so we don t have room to build the frame for the wall board installation. Eps is used under roofing over foundation walls and beneath siding. If you don t do this correctly you ll be exposing your family to dangerous mold exposure. Basement insulation walls.

Extruded polystyrene foam can be yellow pink or blue depending on the manufacturer for insulating basement walls. 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. Basement walls were drylocked and then framed with wood studs 1 2 from wall. We d like to put the rigid insulation up but do the framing wallboard in the warmer weather.

Water vapor in the warmer air of your home begins to condense on the colder surface of the glass of water. Basement insulation is far more complicated than insulating regular wood framed walls. How to use plastic as a vapor barrier in the walls. 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.

In a perfect world you would be able to unscrew invisible bolts remove drywall panels install insulation and reinstall the panels our less than perfect world of permanently attached wallboard means time consuming hacking away of gypsum individually removing drywall screws or nails installing r 13 or greater fiberglass roll insulation and re installing the drywall. 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. I have insulated my basement so far with closed cell rgid boards 1 5. I cannot get 2 eps behind studs since ceiling is finished with dry wall in place.

In fact improperly insulated basement walls are one of the biggest reasons for mold in homes. This foam board insulation is the rigid pink or blue panels that can be found at home centers in many different thicknesses. I have a concern about insulating my basement.