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  1. #1
    Join Date
    May 2009
    Location
    sydney
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    Default to seal or not to seal? timber window frames prior to puttying

    hi there

    About to start renovating some old timber window frames.

    Once I have removed old putty & panes,stripped and sanded frames, I am wondering if there is any reason not to use Taubmans 3 in 1 (for example) prior to puttying? Will it affect the adhesive qualities etc of the putty?

    Should I just use linseed oil onto raw timber in areas being puttied?

    Leaning towards the first option of sealing, so would appreciate advice if people are aware of a reason not to do this.

    Thanks

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  3. #2
    Join Date
    Nov 2005
    Location
    Kihikihi, TeAwamutu
    Age
    80
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    Default

    Theoretically sealing the rebates before puttying stops the linseed oil from being sucked out of the putty and into the timber, which can cause the putty to become 'short' (not enough oil in relation to the whiting) and crack or crumble as it dries.

    You could seal it with shellac, which is quick drying, or any other alkyd (oil) based sealer.

    In 50 years in the painting trade I have not had this problem except on the dry, porous, radiata (crapiata to you Aussies) that we often use here.

  4. #3
    Join Date
    Mar 2009
    Location
    penrith
    Posts
    7

    Default

    Quote Originally Posted by rtfarty View Post
    Theoretically sealing the rebates before puttying stops the linseed oil from being sucked out of the putty and into the timber, which can cause the putty to become 'short' (not enough oil in relation to the whiting) and crack or crumble as it dries.

    You could seal it with shellac, which is quick drying, or any other alkyd (oil) based sealer.

    In 50 years in the painting trade I have not had this problem except on the dry, porous, radiata (crapiata to you Aussies) that we often use here.


    hi i am a painter of 40 years and the advice above is the best

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