Quote:
Originally Posted by jaoneill
Agreed, but the key is in the weather-stripping of the historic sash, they can be made as tight as a new unit, inch for inch. However, as you have pointed out, the size (lineal feet @ perimeter of sash) will make a difference.
Just makes me crazy to see these wonderful old buildings "plasticized", completely destroying the architectural integrity for limited, short term benefit.
Jim
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The wood dh in my old house have a very sophisticated system of copper and galvanized weatherstripping and interlocking devices to stop air infiltration, much more comprehensive than the new plastic thingies which will break off in ten years or so.
I really detest it too...especially when folks plop a new smaller window in an opening and build down to it....ugh!
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[SIGPIC] Diesel loving autocrossing grandpa Architect. 08 Dodge 3/4 ton with Cummins & six speed; I have had about 35 benzes. I have a 39 Studebaker Coupe Express pickup in which I have had installed a 617 turbo and a five speed manual.

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..I also have a 427 Cobra replica with an aluminum chassis.