I've got a few external timers that have a rough finish and are painted in a flaking and yet still slightly sticky black paint that smells a little of tar if you pull a bit off and rub it between your fingers.
The shop suggested Sadolin, but I'm sure that's for smooth timbers, and its very "runny" and unlikely to cover minor imperfections, the odd splash of white gloss etc.
What does the team think I should use?
Hi Roland, it sounds like a tar or bituminous paint. Either way it will bleed through any solvent-based paint or stain such as Sadolins and ruin the finish. There are water-based paints specially formulated for painting over tarry paint on external timbers/cladding/barns etc.
All the loose and flaking stuff should be removed before you put the new paint on. If you can get it all off even better. It would be worthwhile treating the bare timbers with preservative. (Allow time for it to dry properly).
Peter
In message , at
12:30:50 on Sat, 5 Aug 2006, Peter Taylor remarked:Thanks, I'll see if I can find something similar locally. What I really want is just something to go over the top of what's there. There are three beams about 8ft by six inches section (and two faces) - so I don't need a huge amount - half a litre perhaps.
Loose and flaking, maybe.
Not viable, I'm afraid. That would make it too big a job!
Yep, but I doubt they'll ever be bare :)
The reason I said that is that if it's flaking off you'll continue getting bare patches and need to keep recoating it.
I thought you said "what's there" is flaking off, which I take to mean there are bare patches. You've lost me.
Peter
In message , at 22:01:48 on Wed, 9 Aug 2006, Peter Taylor remarked:
If you peel off individual flakes, then underneath it's still fundamentally black and gungy. Only a very few places (without flakes) have got to the stage where a noticeable amount of the old paint has "evaporated" and the [brown] underlying wood has become exposed.
This isn't the sort of flaking you get with conventional gloss paint (and the wood surface is quite rough, not planed). Hence my desire to find something to "paper over" the whole thing with even more black gunge.
Would it help if I posted a photo (to a website somewhere)?
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