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Painting bare-copper central heating pipes


 
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Darkstar

from United Kingdom

Joined: 14 Apr 2005
Posts: 3
Location: United Kingdom

PostPosted: Thu Apr 14, 2005 9:30 am Reply with quote

Hi all,

Having recently moved into a flat with a new central heating system, I now have to paint the exposed piping in all the rooms which is in bare copper.

Is there a special undercoat for this and/or do I need to sandpaper the pipes first to get a good bond?

Thanks in advance
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Thermo

from United Kingdom

Joined: 21 Oct 2004
Posts: 9982
Location: Sussex,
United Kingdom
Thanked: 148 times

PostPosted: Thu Apr 14, 2005 10:51 am Reply with quote

give them all a wipe with warm soapy water to get rid of any flux residue, and then a couple of coats of a decent undercoat and normal gloss will do the trick.
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Panjandrum

from United Kingdom

Joined: 03 Dec 2004
Posts: 287
Location: United Kingdom

PostPosted: Thu Apr 14, 2005 11:20 am Reply with quote

If you want white, you can get white plastic sleeving that slips nicely over straight pipe runs - great for the feed to radiators - avoids the need to paint.
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Darkstar

from United Kingdom

Joined: 14 Apr 2005
Posts: 3
Location: United Kingdom

PostPosted: Fri Apr 15, 2005 7:31 am Reply with quote

Two excellent tips - thank you both for that - it's much appreciated icon_biggrin.gif
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sandwell

from United Kingdom

Joined: 01 Apr 2005
Posts: 324
Location: United Kingdom

PostPosted: Fri Apr 15, 2005 11:18 pm Reply with quote

When I have painted copper pipes, I have cleaned down with hot water with a detergent, then painted with 2 coats of gloss, no undercoat, or primer. That is the method I read in a book, and found it worked perfectly.
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TexMex

from United Kingdom

Joined: 08 Jul 2004
Posts: 1525
Location: Essex,
United Kingdom
Thanked: 1 time

PostPosted: Tue Apr 26, 2005 11:55 pm Reply with quote

I sprayed our copper pipes with some radiator paint from the local plumbers merchant. The finish looks like enamel. In a bathroom, it really adds a touch of class.

I believe it's usually quite expensive, but the stuff I got was a freeby as it was redundant stock (colour matched to an obsolete range that they no longer stock).
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kevplumb

from United States of America

Joined: 18 May 2004
Posts: 23673
Location: Georgia,
United States of America
Thanked: 918 times

PostPosted: Wed Apr 27, 2005 12:12 am Reply with quote

do the next plumber a favour and leave them alone
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trying

from United Kingdom

Joined: 02 Mar 2005
Posts: 12
Location: United Kingdom

PostPosted: Mon May 02, 2005 11:09 pm Reply with quote

you could rub em up each week with wire wool icon_twisted.gif

or as sandwell says wipe over with wet cloth and use gloss only, Dulux recomend this method. Sorry kev icon_lol.gif
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HIGHRISE

from United Kingdom

Joined: 19 May 2005
Posts: 6
Location: London,
United Kingdom

PostPosted: Thu May 19, 2005 5:54 pm Reply with quote

You shouldn`t undercoat copper pipes, it often turns yellow . Just gloss, several coats if needed.
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Zampa

from United Kingdom

Joined: 14 Mar 2005
Posts: 5779
Location: United Kingdom
Thanked: 26 times

PostPosted: Fri May 20, 2005 6:26 pm Reply with quote

Give them a light rub with fine wire wool making sure any flux etc is removed from the surface then two coats of oil based gloss, no undercoat as it is less flexible than gloss.
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sr72

from United Kingdom

Joined: 18 Aug 2004
Posts: 134
Location: Sheffield,
United Kingdom

PostPosted: Sun May 22, 2005 8:55 pm Reply with quote

howdy,
just one thing,dont paint over the valves though.makes it a bit easier if you need to swing them down for decorating. icon_smile.gif
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