Use a hammer and pry bar to carefully remove the wood trim from around the inside of the window exposing the sash weight pockets.
Insulating window weight pockets when installing replacement windows.
Caulk gap on sides and top.
Stack strips to completely fill the void.
2 cut a strip of foil faced rigid foam insulation to fit snugly into the space between the side jamb and plaster or drywall.
When the old window is removed this will reveal a piece of the jamb that is held in by 2 screws.
How to install window replacement duration.
Remove the weight and insulate through the pocket.
This house is a 1917 single brick veneer exterior lath and plaster interior the wall is i believe open from attic to basement.
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.
1 use hammer and pry bar to remove the molding from around the window.
Place corner bead of sealant around perimeter of window frame where new frame contacts original window frame.
The lath and plaster is flush with the window rough opening.
Insert screws in pre drilled holes in window frame.
Shim four corners and check window for plumb.
Use foil tape to seal the joint between the window jamb and foam insulation.
Do not drill any holes.
I discovered that there were sash weight pockets behind the ro.
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.
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.
I ve had some difficulty with doing my first solo window replacement re.
In this video this old house general contractor tom silva explains how to insulate a window with sash weights.
Minimal expansion foam probably won t work for this area.
Apply insulating foam sealant between window and rough opening.
Easily insulate the pockets of your old windows when replacement windows have been installed.
These open pockets are cold air collectors.
Cut strips of foil faced rigid foam insulation to fit into the weight pockets.
Insulating behind the rough opening.
Now that i have begun the process of removing the trim i am finding it to be perhaps more work than it is worth.