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Step 1. Loosen a stuck window sash by forcing a putty knife between the
sash and the window stop or parting strip. If hand pressure isn't enough
to push in the blade, tap the handle with a hammer. Loosen both sides of
the sash. |
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Step 2. Once the sash is free, push it out of the way and clean out any
debris from the sash channel using an old chisel or stiff, narrow putty
knife. |
