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20th May 2009, 02:17 PM #1New Member
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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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20th May 2009, 07:43 PM #2Member
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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.
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20th May 2009, 10:52 PM #3
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