Spray insulation is the best option if your stone foundation is uneven and has moisture problems.
Spray foam insulation stone foundation.
The bottom edge of the blanket is fastened along the base of the wall.
The inch mat does what 4 inches of stones used to do.
They will be answered together.
Few quick questions though.
The cleverness of this detail is that a granular drainage layer under the foam insulation and yet to be cast slab has been replaced with a inch drainage mat that extends up the walls about a foot.
The blanket is loose flexible enough to fit over the irregular stone surface.
Hey folks i ve read in numerous places including this site that you can spray closed cell spray foam insulation over field stone basement walls to insulate them.
Both of these questions address the difficult question about insulating older stone foundations with spray on foam insulation even though the locations and climate differ.
Polyurethane spray rigid plastic board and blanket insulation.
After installing the wall insulation you can frame your new steel stud walls several inches inside the foundation walls.
This insulation treatment will be less expensive than spray foam.
Another foam bathtub note the twist in the approach.
For this reason insulation is necessary for stone foundations.
Then you can put walls up with metal studs to finish your basement.
Everything i am reading is saying to never insulate a stone foundation from the inside.