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veneering on OSB

justaskin

justaskin

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With the availability of various thicknesses now of OSB. Has any of our guru's tried or have tips on veneering. To my mind due to its structure does this affect having to use a backing veneer or other layering oddities :?:
Or is this a case of suck it and see.

Richard
 
Blimey, Richard, that's an odd one. It's not all that flat, OSB, and with veneers being as thin as paper I can't think you have much chance of a good outcome.
 
I have done a bit of veneering but am by no means an expert. The key thing is that your background needs to be flat and free from blemishes - OSB would not fall into this category. There is a reason most veneered boards are either MDF or plywood.

You want your veneer stuck all over your background, which is why air pressure (vacuum bags) or large presses are often used - they apply even pressure across the entire surface. This prevents air bubbles in your veneer leading to raised areas (think bad wallpapering). Even if you got veneer to stick to OSB so it appeared flat, there would be voids where the OSB had 'valleys' in its surface.

I am curious as to what you are trying to do. Veneering is used either where solid timber is prohibitively expensive or unavailable andtends to be on small decorative pieces - jewellery boxes, fine furniture etc - or in large panels that can then be used as panelling or cut down. These are readily available from suppliers. What is it you have in OSB that means you need to veneer it?
 
I'd say it could be done but not worth the effort. You'd have to fill the voids where the wood flakes meet and you'd have to use thick veneers like 1.5mm or 2mm thick not the 0.5mm stuff so you could sand it back to flat.
 
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