Interior insulation refers to insulation applied to the interior side of the concrete masonry as shown in figure 1.
How to install foam insulation on concrete walls.
You need to install a few of these ideally every 16 18 or 24 inches.
Move to next board and butt tight to previous board.
Press boards up against concrete wall and hold for a few minutes to allow bond to set.
Do not subtract studs.
The concrete should be dry and free from cracks before installing foam insulation boards.
Use 2 2 inch lumber for the studs and 2 3 inch lumber for the top and bottom plates.
How to install rigid foam insulation between studs measure the project area.
For example the wall may be 30 feet long by 7 feet high.
That is between a floor joist and rim joist if this wall is backing the concrete wall.
Measure the entire wall area to figure out the amount of rigid foam to purchase.
Against the concrete surface with the still wet glue place the insulation panels.
Lay a panel of polystyrene.
Secondly and this is the best way you can install a drywall to frame the wall before applying foam board insulation.
If necessary address moisture problems and seal cracks before you begin.
After the adhesive cures add extension boxes to the outlets and switches and spray foam into every gap top bottom and around each box.
Apply to 2 or 3 boards at a time.
At each mark make a horizontal line using a carpenter s level.
Apply liberal quantities of liquid nails or other suitable bonding agent to the back of the foam insulation boards and spread over the whole board.
The insulation may be rigid board extruded or expanded polystyrene or polyisocyanurate closed cell spray polyurethane foam cellular glass fibrous batt or fibrous blown in insulation note however that fibrous insulation is susceptible to moisture.
Firstly you can apply it directly onto the house s concrete walls with the help of a construction adhesive that will hold it in place.
Just install a block of 2 by lumber.
Consider 210 square feet to be the entire amount of rigid foam insulation to purchase.