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  1. #1
    Join Date
    Dec 2008
    Posts
    16

    Default Anything to dissolve hard, old glazing putty?

    The subject says it all. Really old windows, really old putty that rock hard. would like to save as much of the old glass as possible before restoring the frames (double hung sash) So. Any ideas for softening up this stuff?

    Cruiser

  2. #2
    Join Date
    Mar 2009
    Posts
    1,387

    Default Re: Anything to dissolve hard, old glazing putty?

    Allot more time of allot of elbow grease and care when removing it. The old stuff on my windows came off pretty easy with a putty knife.

  3. #3
    Join Date
    Nov 2007
    Location
    N. central Florida
    Posts
    13

    Default Re: Anything to dissolve hard, old glazing putty?

    Heat, not to much or you'll crack the glass

  4. #4
    Join Date
    May 2009
    Location
    Elyria, Oh.
    Posts
    236

    Default Re: Anything to dissolve hard, old glazing putty?

    A heat gun or heat plate will soften old putty. You will rarely crack the glass if you use reasonable care.

  5. #5
    Join Date
    Aug 2008
    Location
    Eden, NC
    Posts
    285

    Default Re: Anything to dissolve hard, old glazing putty?

    Rockler.com advertises a tool for your drill that acts as a router and runs along the mullions routing out the putty without disturbing the glass. The item costs about $20.00. Sorry, I don't remember the name of it.

    Calcats

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