Insulating Window Weight Pockets When Installing Replacement Windows

Insert screws in pre drilled holes in window frame.

Insulating window weight pockets when installing replacement windows.

How to install window replacement duration. Caulk gap on sides and top. I ve had some difficulty with doing my first solo window replacement re. This house is a 1917 single brick veneer exterior lath and plaster interior the wall is i believe open from attic to basement.

Do not drill any holes. Use a hammer and pry bar to carefully remove the wood trim from around the inside of the window exposing the sash weight pockets. Remove the weight and insulate through the pocket. Shim four corners and check window for plumb.

Now that i have begun the process of removing the trim i am finding it to be perhaps more work than it is worth. The lath and plaster is flush with the window rough opening. In this video this old house general contractor tom silva explains how to insulate a window with sash weights. Even if a house has been insulated with pour in pump in or foam insulation the weight pockets are left open for the weights to operate.

Minimal expansion foam probably won t work for this area. Place corner bead of sealant around perimeter of window frame where new frame contacts original window frame. 1 use hammer and pry bar to remove the molding from around the window. Remove these screws and you will be able to access the weight pockets.

Best way to insulate around a replacement window last week a visitor to my site asked me about the best way to insulate around a replacement window. Apply insulating foam sealant between window and rough opening. Insulating behind the rough opening. A few days later i got the same question so i decided to compile my response into an article below.

After some searching online i found the best practice to be removing the trim and insulating the weight pockets with tuff r rigid foam insulation. 2 cut a strip of foil faced rigid foam insulation to fit snugly into the space between the side jamb and plaster or drywall. Stack strips to completely fill the void. When the old window is removed this will reveal a piece of the jamb that is held in by 2 screws.

I discovered that there were sash weight pockets behind the ro. Cut strips of foil faced rigid foam insulation to fit into the weight pockets. There are two main types of insulation are used when insulating around replacement window. If you remove the inside jamb to expose the pockets and install a wider window this isn t a problem.