Window Sash ReplacementTypically this is done with single and double hung wooden windows. A single hung window is one where only the bottom sash moves up and down. In a double hung window, both the upper and lower sashes can move up or down. The wooden sashes are usually held in position with sash weights, cords and pulleys or spring loaded sash balances. If the old wooden sashes are rotting or damaged beyond repair but the window sills and jamb are still in good condition, sash replacement can be a lot less expensive than pulling out the whole window and replacing it with a new one. Replacing the old sashes makes the old windows look just like they did when the house was new. Many carpentry shops across North America have made a specialty business of building new wooden window sashes for old homes. The replacement procedure is pretty simple. The most critical aspect is getting the new window sash dimensions exactly the same as the old one. New wooden window sashes can also be built to incorporate all the advances in modern windows such as fin-seals and high performance weatherstripping. Sashes can also be made to allow the installing of low E sealed glass units if the window frame dimensions permit this. Click the Window Sash Replacement link to get back to the home page.
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