How To Insulate Concrete Walls From Outside
When it comes to waterproofing ealy has a couple of choices.
How to insulate concrete walls from outside. Tight joints between the insulation boards maximize the thermal performance and reduce air leakage. From the outside from the middle of the foundation and from the inside of the structure. Stand the framing wall up against the concrete and have a friend hold it in place. Because it isolates the concrete s thermal mass from the inside space however it is the least desirable from the standpoint of energy conservation.
Three basic types of thermal insulation are available rigid board batt or blanket and spray on. At some point in the future the homeowners would place another 2 inches of foam on the inside of the foundation walls between 2 2 studs and then apply drywall over the studs. Drill holes in the frame and the concrete using a drill with a masonry bit. In some cases the joints between boards are set into an expandable bead of sealant or caulked or taped to act as an air barrier.
The current plan is to place 2 inches of extruded polystyrene xps on the outside of the foundation walls. Consult your local building authority before having eifs applied to the exterior of your house or building. Your only option is to cover the inside of the exterior walls with a continuous layer of insulation as though you were insulating a basement wall. How to insulate an exterior face of a concrete block wall preparation.
And there is no effective way to fill the voids in an existing concrete block wall. That is why insulating your basements walls is necessary especially when you live in areas that have very cold climate. Today there is no need to lose out on valuable interior space as you can use external wall insulation to insulate your concrete block house. The board insulation may be attached with an adhesive or mechanical fasteners.
Thermalwall ph rigid eps insulation board for insulating the exterior walls of homes. Step 1 assess the situation there are three ways to insulate basement walls. The advantages are plenty here panels are between 4 5 inches and 8 inches thick the exterior insulation is continuous and they can be attached with 6 inch 10 screws from 4 to 6 inches long. That s because in the past insulating concrete block homes meant adding interior wall insulation by building another wall against the concrete and insulating between the studs.
Add a concrete screw to each of these.