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UK diy (uk.d-i-y) For the discussion of all topics related to diy (do-it-yourself) in the UK. All levels of experience and proficency are welcome to join in to ask questions or offer solutions. |
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#1
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Painting rusty bathroom radiator
Been redecorating my Bathroom
The radiator has gone a little rusty around the edges, would like to rub down and repaint. Question is firstly, what sort of primer? Am gonna remove the rust spots best I can with sandpaper, then maybe put some rust removing gel on them to get them back to bare metal. However, am not sure of the best primer to use, bearing in mind radiators get rather warm. Can I get away with spraying a shot of Zinc primer onto the bare spots, or will this crack when the central heating fires up? So should I buy myself a small tin of Red Oxide? Next question, top coat. I read that dedicated radiator paint isn't all its cracked up to be, and to stick with regular oil based paints (ive seen Satinwood recommended in several places). So, is Satinwood the way to go? Thanks in advance. -- Best Wishes Simon Taylor |
#2
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Painting rusty bathroom radiator
On 21 Feb 2017 21:55:59 GMT, Huge wrote:
On 2017-02-21, Simon T wrote: Been redecorating my Bathroom The radiator has gone a little rusty around the edges, would like to rub down and repaint. Question is firstly, what sort of primer? Am gonna remove the rust spots best I can with sandpaper, then maybe put some rust removing gel on them to get them back to bare metal. However, am not sure of the best primer to use, bearing in mind radiators get rather warm. Can I get away with spraying a shot of Zinc primer onto the bare spots, or will this crack when the central heating fires up? So should I buy myself a small tin of Red Oxide? Next question, top coat. I read that dedicated radiator paint isn't all its cracked up to be, and to stick with regular oil based paints (ive seen Satinwood recommended in several places). So, is Satinwood the way to go? Thanks in advance. In our last house I removed the bathroom radiator, cleaned it down to bare metal with a cup brush in an angle grinder, then a coat of metal primer, coat of undercoat, coat of gloss. It was still fine 20 years later. I don't recall buying anything special in the way of paint. In my previous flat I used radiator enamel that you painted on, turned up the boiler temperature to maximum. opened all the windows and vacated the premises quickly. Worked extremely well but I suspect it is banned now. |
#3
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Painting rusty bathroom radiator
On Tuesday, 21 February 2017 21:47:20 UTC, Simon T wrote:
Been redecorating my Bathroom The radiator has gone a little rusty around the edges, would like to rub down and repaint. Question is firstly, what sort of primer? any suitable for steel. IME they're all equally iffy except epoxy. The original finish is hopefully a powder coat, far better than paint. Am gonna remove the rust spots best I can with sandpaper, then maybe put some rust removing gel on them to get them back to bare metal. I've seen vinegar used However, am not sure of the best primer to use, bearing in mind radiators get rather warm. Can I get away with spraying a shot of Zinc primer onto the bare spots, or will this crack when the central heating fires up? So should I buy myself a small tin of Red Oxide? Next question, top coat. I read that dedicated radiator paint isn't all its cracked up to be, and to stick with regular oil based paints (ive seen Satinwood recommended in several places). So, is Satinwood the way to go? Thanks in advance. again any solvent based metal paint would work. But you'll likely see rust spots reappear after a while. If you want a thorough job, spray with epoxy, pickle & zinc dip or get new. NT |
#4
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Painting rusty bathroom radiator
On Tuesday, February 21, 2017 at 11:39:08 PM UTC, wrote:
On Tuesday, 21 February 2017 21:47:20 UTC, Simon T wrote: Been redecorating my Bathroom The radiator has gone a little rusty around the edges, would like to rub down and repaint. Question is firstly, what sort of primer? any suitable for steel. IME they're all equally iffy except epoxy. The original finish is hopefully a powder coat, far better than paint. Am gonna remove the rust spots best I can with sandpaper, then maybe put some rust removing gel on them to get them back to bare metal. I've seen vinegar used However, am not sure of the best primer to use, bearing in mind radiators get rather warm. Can I get away with spraying a shot of Zinc primer onto the bare spots, or will this crack when the central heating fires up? So should I buy myself a small tin of Red Oxide? Next question, top coat. I read that dedicated radiator paint isn't all its cracked up to be, and to stick with regular oil based paints (ive seen Satinwood recommended in several places). So, is Satinwood the way to go? Thanks in advance. again any solvent based metal paint would work. But you'll likely see rust spots reappear after a while. If you want a thorough job, spray with epoxy, pickle & zinc dip or get new. NT imho that radiator is close to failing. I'd replace it |
#6
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Painting rusty bathroom radiator
I don't know what you should use but don't use one coat gloss, I have used all kinds of paints on radiators with no problems but one coat gloss yellowed almost immediately.
Brendan. |
#7
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Painting rusty bathroom radiator
On Wed, 22 Feb 2017 17:22:03 -0000, "Brian Gaff"
wrote: Can you buy Red Oxide? I thought it was out due to lead content. You can buy lots of primer paints that call themselves Red Oxide but they will not contain much if any lead. It is still possible to purchase the old style Red Lead from very specialised suppliers such as one that supplies materials for people restoring old boats. Currently a 2.5litre tin costs £120. G.Harman |
#8
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Painting rusty bathroom radiator
On Thursday, 23 February 2017 00:40:18 UTC, wrote:
On Wed, 22 Feb 2017 17:22:03 -0000, "Brian Gaff" wrote: Can you buy Red Oxide? I thought it was out due to lead content. You can buy lots of primer paints that call themselves Red Oxide but they will not contain much if any lead. It is still possible to purchase the old style Red Lead from very specialised suppliers such as one that supplies materials for people restoring old boats. Currently a 2.5litre tin costs £120. G.Harman I expect one could diy it for much less. NT |
#9
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Painting rusty bathroom radiator
"Brian Gaff" wrote in message news
Can you buy Red Oxide? I thought it was out due to lead content. Yes you can buy Red Oxide, its very popular with engineering firms who use it as a metal primer. But there's no lead in it any more. -- Best Wishes Simon Taylor |
#11
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Painting rusty bathroom radiator
On 23/02/17 09:01, Simon T wrote:
"Brian Gaff" wrote in message news Can you buy Red Oxide? I thought it was out due to lead content. Yes you can buy Red Oxide, its very popular with engineering firms who use it as a metal primer. But there's no lead in it any more. There never was, That was red lead primer. -- A lie can travel halfway around the world while the truth is putting on its shoes. |
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