How To Insulate Exterior Walls Of An Old Brick House
To insulate walls externally you would need to add insulation boards to the walls from the outside of your home.
How to insulate exterior walls of an old brick house. 3 Build a wood- or steel-framed wall spaced away from the drainage mesh enough that spray foam can flow into a continuous layer against the drainage mesh. In a double wythe wall you can sneak in an inch of foam for an R value of 6. It would probably depend on your circumstances.
If youve got an old house there may be other things that will yield a larger and faster result. Replace old windows with energy-efficient units. External wall insulation.
Blue jean insulation - as it sounds recycled jeans to insulate your home. A Larsen truss wall is one with engineered I-joists attached to the outside of a stud or brick wall which then creates a cavity that can be filled with additional insulation. Construct a 24 frame wall in front of the brick wall and foam.
The finish can be smooth textured painted tiled panelled pebble-dashed or finished with brick slips. Add fiberglass batting insulation to the cavities in the 24 wall. Apply a house wrapvapor barrier to exterior walls.
A cross-section of thermal insulation between two brick walls showing the layers of insulation. You could probably use something like Hubers ZIP R-12 system and achieve continuous exterior insulation that would make the home efficient and keep the wood framing happy and dry. For anyone living below the mason dixon line it is never worth the expense to retrofit an old house with wall insulation.
Frame out windows and doors in the wall to allow for the added depth. Caulk window trim and use weatherstripping to reduce air leaks. It must be treated to be water repellent.