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handyman on call

Do-it-yourself window sill replacements

Q. My house was built in 1953. It was a ranch, until we enlarged it in 1996 to a Colonial. I just noticed that the sill in my original picture window has started to rot and the sills in the upstairs are spongy and rotting. I saw an episode on “This Old House” years ago where they cut the sills in half and replaced them, but I can’t remember how they replaced them. Help!


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