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just about ready to have the worktops fitted to my new kitchen (diy kitchens natch)
looking through previous posts, osmo top oil seems the STW favourite but does anyone have any tips for applying it? Should I do the underside ahead of the joiner coming to fit??

I gave the underside two coats before fitting. Not sure if it was necessary but it was pretty easy to do with the wood on a couple of trestles and would be a right pain afterwards
I was careful not to get oil on the faces to be joined so the glue could soak in.
Been in a good few years now and still looks good.
Osmo oil for sure. That’s what’s on mine!
Coat them with 2 coats before installation and all edges as they are cut. I helped my joiner so I was able to do them all as they were cut.
I used the matt oil and it gave a really nice finish. I did read some info on the Internet not to put it on too thickly, I wiped it on with a lint free cloth twice and it seemed to be ok but it turns out I did it a little too thinly.
I also used 400 grit sandpaper to very very lightly sand the surface then gave another coat, that gave a really smooth finish.
Osmo oil is great as it doesn’t smell as bad as tung oil and dries pretty quick. It’s easy to put on as a maintenance cost later too
Always best to 'balance' your finishes so a good idea to apply to the underside prior to installation.... But not too long before they are to be fitted.
As for application.....hand sand prior to applying the finish, 180g then 240g is enough. Wipe on with a lint free cloth, leave for a few minutes then remove excess with a clean cloth, working with the grain. Get your eyes level with the work stop and you should be able to see any streaks. Once dry denib lightly with 400g or above, wipe down and repeat above..... 3 or 4 coats should be enough. Shouldn't be any real need to denib after the 2nd coat....
Lots of thin coats are much better than fewer heavy coats. Pay particular attention around the sink.....
Osmo. Get yourself some tack cloth from eBay. Get a good sanded finish to 120, wipe down with a damp cloth, let dry and wipe again with tack cloth - this leaves a really smooth, dust-free surface.
Apply Osmo as thinly as you can - I’d use a foam roller on surfaces that don’t have any nooks/crannies. It’s an oil, so it’s too thick if you can see roller/brush marks. Leave it for 8-10.
Use carbide paper, 220 grit, and, presuming you don’t have an electric sander, a sanding block to lightly sand the bibs that the first coat of oil has raised. Clean the whole surface again with damp cloth then tack cloth. This is really important after sanding the set oil.
Apply your second coat, again as thinly as possible. No brush/roller marks. If you use the matt finish, you could actually wipe it down with a clean rag at this point to pick up any excess - that’ll leave you a great finish. If you go for satin/gloss then you need to leave it to dry naturally.
Point of note: if you use rags to wipe up oil, be aware that they should be flattened out and left to dry either outside or over something non-combustible like a metal bucket. Oils in crumpled rags or rags stuffed in bins can spontaneously combust.
does anyone have any tips for applying it?
when I helped my brother do his kitchen we used a pair of his underpants
when I helped my brother do his kitchen we used a pair of his underpants
Essentially, this is the level of care I took, and take with mine. Sod sanding it & fannying around. Life is far too short.
I didn't realise they were his pants straight away - after the 'we can just use an old t-shirt or something' discussion - I was touching cloth that had probably been touched more than once before.
I used Omso poly x applied with a brush. Very good finish that has lasted much better tha. Any danish oil I’ve tried.
Essentially, this is the level of care I took, and take with mine. Sod sanding it & fannying around. Life is far too short.
Yep, me too. Gave the surface a rub down with some really fine sandpaper in between coats, but only took a few minutes, and then wiped on another coat with a rag. Cheap microfibre cloths from poundshop IIRC.
Life is far too short.
Since we’re throwing rhetoric around, I’d argue that if something is worth doing, then it’s worth doing well.
Sorry for the hijack. Can I if renovating a wood bench what would be best the osmo top oil or the wood wax?
Thanks for the tips guys - so it's either slap it on an wipe it down with pants or multiple thin coats with various sand papers and special cloths!!
Whilst we're on the subject, has anyone got any experience of the "out of the box" finish of diykitchens worktops? I've not unwrapped them yet for fear of marking them, so not sure if they'll need sanding before oiling....