By carboncactus - 6/3/2013 3:25:29 PM
I have a surface made of wood (teak to be exact) I need to take a mould from it. However, I CANNOT damage the original. That means no sealers, primers, fillers, waxes etc. Will PVA alone be a good choice for this? The surface looks quite porous...
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By Erick - 6/5/2014 1:42:59 AM
Over finished old wood I used 4 coats of wax with good time between layers of wax so they can adequately dry and not just wipe off previous coat, then spray a light mist of pva over that with automotive spray gun. Leaving the wax to sit between coats for a good length of time has been key for me in protecting old surfaces. Of course make sure you are buffing lightly to a shine after each coat. I use filleting wax for any edges that need it because I can shape it with custom tools and a heat gun easily. Mold should pop out nicely.
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