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Post by Mr Stabby on Oct 19, 2019 16:00:53 GMT
The second coat of primer is now on my cabin roof and I'm going to put two coats of coach enamel gloss on top of that when the weather is favourable. I'm concerned that this might make the roof a bit slippery to walk on and I understand that sand is usually used to create a non-slip surface.
So firstly what type or grade of sand, and secondly how is it best applied? I'm presuming it's hand-sprinkled onto the first coat immediately after it is applied and then covered and sealed in by the second coat?
And also how much should I expect to use on a cabin roof which is probably around 32' in length?
Any other advice welcome.
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Post by lollygagger on Oct 19, 2019 16:05:49 GMT
You are correct but you can get better/finer stuff to mix into the paint which makes the job easier. International call theirs Deckgaurd. Approx £5-6 does a 0.75l tin/8 sq m
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Post by metanoia on Oct 19, 2019 16:22:46 GMT
As above...
… sand applied in the way you describe can be extremely hard to distribute and has a tendency to "bubble" (not the proper term, I'm sure) and ultimately rust.
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Post by metanoia on Oct 19, 2019 16:26:44 GMT
eta - you could always "sieve" it through the "Yellow Peril's" basket for a more even covering...
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Post by Jim on Oct 19, 2019 16:26:50 GMT
You are correct but you can get better/finer stuff to mix into the paint which makes the job easier. International call theirs Deckgaurd. Approx £5-6 does a 0.75l tin/8 sq m I got a tin of similar plastic sand from Decor8 when I bought the combicolor paint. It's done a good job. |
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Post by brummieboy on Oct 19, 2019 16:47:26 GMT
Too rough and it's a bugger to clean.
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Post by JohnV on Oct 19, 2019 17:13:24 GMT
Sabina's decks have sanded walkways done that way Vince.
On a deck on an ex working tanker, the fact that it gets dirty easily is still much preferable to sliding on an icy surface in the winter.
I do think it would look wrong on the roof of a narrowboat though.
As regards Met's point re even spreading, buy a flour or sugar sifter from a kitchen shop and apply with that .... the other thing I found was that it was best to apply an overall coat of topcoat, let it dry and then paint fresh squares or strips and sprinkle the sand on it straight away (one at a time) forming a pattern as a walkway. Allow to dry, brush off lightly the excess that hasn't stuck and then cover with a final coat.
I used blasting grit as the sand, very coarse and if you did fall over on it, it would take the skin off your knees (but rather that than sliding especially if she is moving)
I would think you would want something a lot less industrial
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Post by thebfg on Oct 19, 2019 17:31:30 GMT
Wouldent kiln dried sand be good for it, very fine and dry.
3 quid for 20kg at selco. We used it for pointing around the edging stones of swimming pools.
We also get it for fire buckets at petrol stations, so if your brave enough😉😂
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Post by Deleted on Oct 19, 2019 19:15:34 GMT
I was told to buy the sand from a pet shop as it will be dried and cleaned.
No idea if pet shops actually sell sand but it seemed logical. I have never painted a boat with a sand mix so no comment.
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Post by cygnus on Oct 19, 2019 19:26:54 GMT
The second coat of primer is now on my cabin roof and I'm going to put two coats of coach enamel gloss on top of that when the weather is favourable. I'm concerned that this might make the roof a bit slippery to walk on and I understand that sand is usually used to create a non-slip surface. So firstly what type or grade of sand, and secondly how is it best applied? I'm presuming it's hand-sprinkled onto the first coat immediately after it is applied and then covered and sealed in by the second coat? And also how much should I expect to use on a cabin roof which is probably around 32' in length? Any other advice welcome. I used to work for Jonathan Wilson, and Louis & Joshua Boat Builders. This was my method for non-slip. Get the paint work to fully finished state. You need plenty of paint underneath the non-slip and let it harden fully. Divide the area into panels, both on the roof and gunnels. A smooth area between panels helps water drain off. On a dry day, using low tack masking tape make up your panels and roller the tape down. Using something like a scotchbrite pad lightly abrade the panels. Paint a couple of panels, laying the paint off evenly, then sprinkle kiln dried block paving sand all over the wet paint with a little shovel or scoop. It should look like the beach. No misses. Better to overdo it than be tight with the sand. move onto the next couple of panels. Sweep of any stray sand, apply paint. Leave it for the paint to dry thoroughly underneath. Sweep off the sand when you are sure the paint is dry and rub over the sand with your hand to even out any super rough bits. Youll remove your finger prints. Then sweep off and give the panels at least 2 more coats of paint. When the final coat is dry, pull off the tape. Don't leave it too long. If you leave a smooth border around the roof panels the same width as your sander it makes it easier to sand down and re-paint when needed. if you need to re-paint the sanded areas a light hand (no power tool) brushing over with one of those wire cup brushes does enough to key the sander areas ready for paint. A normal wire brush is a little too aggressive for my liking. If at any time a sanded panel needs repairing i find it better to remove the whole panel with a scraper (mines electric), and re-do, but then again I can be a little OCD sometimes. Hope this helps. 😀 |
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Post by Clinton Cool on Oct 19, 2019 20:05:49 GMT
I did mine with sand 2 summers ago. Rather than do the whole roof I used masking tape to create sanded rectangles in areas where I was likely to walk on the roof. Looks good and great grip. I made a 'sprinkler' for the sand out of an old grease can with lots of holes punched in the lid. Sprinkle sand onto painted section, allow to dry, brush off excess sand, go over it with a coat of gloss. The only downside, as others have said, it's a bugger to keep clean.
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Post by peterboat on Oct 19, 2019 20:19:12 GMT
I have a rubber substitute for the sand no rust issues, remember sand can and does come from the sea and thats not good for the steel
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Post by samsam on Oct 20, 2019 6:51:50 GMT
Washed childrens' play sand, or easier, sugar into wet paint coat and wash it off before the last paint coat. Just leaves the paint rough.
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