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Foam PVC – sealing the edges?
we are spraying some 20mm letters at the moment and in the past we have had to seal the edges with PVA to stop the paint being absorbed, even after 2/3 coats it still absorbs the paint and you cant get a good finish. The problem is the PVA has to be hand painted on and does not leave a good finish.
Does anyone know of a spray sealer that will do the job, weve tried plastic sealer from Halfords etc but I think we need something a bit more specific.cheers
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2 Replies
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Hi
From my experience, the only real way to achieve a good finish is to ‘sand’ the sides. Fine sand-paper and lots of elbow grease required.
This process files down the edge into a smooth surface and with primer underspray will work well to achieve a smooth and absorbant-free surface when painted.
Cheers
Martin
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Thanks Martin, the only problem is that there are 44 letters, lots of ‘S’ and ‘A’s as well.
Elbow grease it is then.
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