Would seal the joints between studs and foam with a caulking.
Rigid insulation in wall cavity.
Abut the foam insulation board joints tightly.
Attach the tongue and groove insulation boards to the concrete wall with adhesive.
Keep in mind that any interior rigid insulating panel must be covered by a barrier.
These products offer superior long term thermal efficiency fire resistance moisture control acoustic performance and are compatible with numerous framing systems and cladding attachment systems.
2 inch rigid foam and then r 13 fiberglass insulation to fill the entire stud cavity.
The correct method of using rigid foam is to run continuous 4 foot by 8 foot sheets of the foam across the concrete basement wall making the rigid foam the de facto wall.
When insulating a masonry wall locate insulation horizontally between wall ties directly on the back up wall and provide 1 minimum clear space between inside brick face and the exterior surface of the insulation board.
Follow with a 2x4 frame wall and insulate it with batt insulation.
Use a premade kit for this type of project.
Make sure your home is properly insulated in all these locations.
Insulation s r value is a measure of its effectiveness and a single 1 inch sheet of polyurethane foam gives you an r value of 5 5 to 6 5 according to the u s.
Multi wythe cavity walls contain insulation between two wythes of masonry.
Achieving greater r values in attics.
The continuous cavity insulation minimizes thermal bridging.
The ideal attic insulation r value is different than the ideal wall insulation r value.
Would give me a r value of r 23.
Cavity insulation can be rigid board closed cell spray polyurethane foam or loose fill.
After that thin furring strips are installed on top of the foam to provide a firm base for the drywall screws and drywall but can you run rigid foam between the studs just as you would do with fiberglass rolls or spray foam.
You can mix the type and material of insulation too.
Looking to see if anyone has installed rigid foam on the inside of their stud cavity with the combination of fiberglass.
A common choice is drywall.
Can t do outside installation.
Foamular 250 extruded polystyrene xps provides continuous insulation in insulated concrete sandwich panel walls in masonry unit cavity walls or when used with non penetrating surface mounted furring systems over masonry or concrete walls.
Insulation ratings can be improved by adding more layers of insulation.
The cavity width can be varied to achieve a wide range of r values.