Implement draught excluder strips: Measure the scale of the windows and cut the draught excluder strips accordingly. Implement the strips around the edges on the sashes where by they meet the frame. This will likely create a restricted seal if the windows are closed. The sash twine attaches the window https://sash-windows16681.blogrenanda.com/42233342/little-known-facts-about-sash-window-draught-proofing