Next step installed 1 xps pink board insulation directly over interior of block foundation using foamboard adhesive blue in color taped the seams and caulked the corners.
Insulation board for basement walls.
Foam board insulation the 2nd best insulation for basements is using foam board insulation.
Many energy experts recommend r 15 to r 20 for far northern states.
Using a rigid foam board creates a good vapor barrier along with an insulation layer that won t promote mold growth.
Step 1 install extrude polystyrene insulation boards.
A 6 mil poly barrier before drywall will prevent your wall from drying hopefully your municipal building inspector will let that pass if you re dealing with one.
This is a common type of insulation used by insulation installers but is also a type of insulation diyers are more likely able to handle.
Several years ago i insulated the basement walls in our basement storage room.
When using foam insulation on basement walls the building code irc requires r 5 for southern states excluding the deep south and r 10 for the rest of the us.
After re grading and extending downspouts we have not had any rain issues in basement.
The best insulation for a basement stud wall in your case would be mineral wool rockwool and then drywall overtop.
Best practice for basement wall insulation best insulating and vapor barrier system is closed cell foam the second best is using foam board especially if you re trying to save money.
Ecofoil bubble insulation is also an impermeable vapor barrier that will keep your basement dry and prevent condensation when all seams are taped off.
I used a special styrofoam adhesive to adhere the foam board to the concrete you can also use great stuff pro foam in a can.
Rigid insulation board is also called extruded polystyrene xps insulation.
R values of foam board insulation.
Installing ecofoil bubble insulation as a basement wall insulation will keep your basement warm by insulating the walls from radiant heat transfer.
Spray foam is also an option but usually a lot more expensive than foam boards.
The first step in insulating a basement wall is to install the polystyrene insulation for more information we recommend reading.