Polyurethane spray rigid plastic board and blanket insulation.
Spray foam insulation stone foundation.
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.
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.
The bottom edge of the blanket is fastened along the base of the wall.
Another foam bathtub note the twist in the approach.
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.
They will be answered together.
However it should only be applied by a professional.
The inch mat does what 4 inches of stones used to do.
Few quick questions though.
For this reason insulation is necessary for stone foundations.
1 normally you have to repoint the walls every 25 or so years.
There are three types of insulation.
Then you can put walls up with metal studs to finish your basement.
Spray insulation is the best option if your stone foundation is uneven and has moisture problems.
The blanket is loose flexible enough to fit over the irregular stone surface.