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Looking for guidance from the floor gurus. I'm building some benches for a study, and I am coating the benches with some left over poly from a floor sanding job. The product is called DURAPOL® 1045 Super Gloss but nowhere on the tin or the website can I find any reference to sanding between coats. I am hoping to sand (around 400) between coats and I have already gone ahead and brushed the first coat on. The benches are some of Studleys reject hardwood - Northern Beech to be specific.
depending on the products technical properties sanding between coats is required so that a physical bond is formed.
products such as synteko classic that when re coated within a time frame cutting back is not required as the bond is chemical.
we normal use screen backs or pads so to be safe make sure the coat is total curred before cutting back.
Pretty much echoing what Gaza said, this product (Durapol) is OK to coat the following day without a cut back, much the same as the Synteko coating.
However, I would be looking at using a much coarser grit than 400 to do the cutting back with. Reason is, these flooring polyurethanes are pretty tough and have a very high degree of solids and if you are to achieve a good result the cut back might need to be pretty severe.
In short, it's a much denser, harder wearing polyurethane than any of the off the shelf products that are often used to coat benches, furniture, and that sort of thing. These off the shelf products are generally a Turps, or perhaps, Water-Based coating and are much thinner, therefore requiring much less effort and a finer grit during the cut back process.
So, I'm suggesting you go over it first with 120 or 150 grit paper to really knock it down and then go over it again with your 400 to get it super smooth.:bye: