New Putty Over Old

Can I apply new putty over old putty that is rock hard and has been overpainted without stripping out the old putty on Bay Window Mullions??

3 Answers

JL Windows and Doors
1 Reviews, 100% Positive
You can but the putty will not adhere properly. It is good practice to remove old putty first.
23rd Aug 2019
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AdjAbuilder Ltd
1 Reviews, 100% Positive
Sharp implement at least scrap of paint.
Make sure you apply a layer of new putty
23rd Aug 2019
Helpful Answer? Vote Up thumb up + 13
So long as the old putty is secure it should be fine
1st Oct 2019
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