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Save your vintage windows with SLIP

Come the winter, and a homeowner has got a lot of things on their to-do list. Cleaning the gutters and downspouts, bleeding the radiator, checking the electrical system, weatherproofing exterior pipes, sealing leaky doors, and whatnot.   And there comes the big one-...

Save your vintage windows with SLIP

Come the winter, and a homeowner has got a lot of things on their to-do list. Cleaning the gutters and downspouts, bleeding the radiator, checking the electrical system, weatherproofing exterior pipes, sealing leaky doors, and whatnot. And there comes the big one-...