Sanding painted metal

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Sanding painted metal

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tahir

Joined: 28 Oct 2004
Posts: 45676
Location: Essex

Posted: Fri Apr 28, 17 12:54 pm Post subject: Sanding painted metal
I have some metal shelves where the paint has flaked off, I assume sand/prime/paint would be the solution, but: 1. What grit sandpaper should I use? 2. Can I just use this after sanding and no paint on top? https://www.screwfix.com/p/no-nonsense-zinc-galvanising-spray-paint-silver-400ml/40801

gregotyn

Joined: 24 Jun 2010
Posts: 2201
Location: Llanfyllin area

Posted: Fri Apr 28, 17 1:42 pm Post subject:
We use the spray-on galvanise at work and it is good stuff, comes from Sparex in Exeter, not sure if they deal with the public, but worth a try; or come back to me and I will find out on Tuesday how much ours costs.

tahir

Joined: 28 Oct 2004
Posts: 45676
Location: Essex

Posted: Fri Apr 28, 17 1:53 pm Post subject:
I'm going to pick it up on the way home from screwfix, if I don't get it done tomorrow I'll probably never do it. What grit sandpaper do you reckon?

dpack

Joined: 02 Jul 2005
Posts: 46249
Location: yes

Posted: Fri Apr 28, 17 1:58 pm Post subject:
40 gt then 180 gt then 1200 gt > primer+ top coats or strip with naoh + wallpaper paste> 1200 gt > fancy galvanising stuff or wire brush >smoothrite it depends if you need them to look good or just not go rusty in the shed and if look good what finish you want ( they get easier descending the list) other options exist, what are they for ?

tahir

Joined: 28 Oct 2004
Posts: 45676
Location: Essex

Posted: Fri Apr 28, 17 2:00 pm Post subject:
They're going to be random junk shelves in the barn

dpack

Joined: 02 Jul 2005
Posts: 46249
Location: yes

Posted: Fri Apr 28, 17 2:27 pm Post subject:
wire brush + smoothrite , let them dry for a couple of weeks to make sure nowt sticks. or wire brush and any oil based paint you might have .dry well as above i have put stuff with rubber feet on paint that had dried as long as it said on the tin and regretted it

tahir

Joined: 28 Oct 2004
Posts: 45676
Location: Essex

Posted: Fri Apr 28, 17 2:34 pm Post subject:
Thanks, will do that. Wipe off rust dust with damp cloth?

Nick

Joined: 02 Nov 2004
Posts: 34535
Location: Hereford

Posted: Fri Apr 28, 17 3:53 pm Post subject:
Yes. But make sure you finish the job otherwise live got bare metal with fresh moisture on it. Guess what happens next?

tahir

Joined: 28 Oct 2004
Posts: 45676
Location: Essex

Posted: Fri Apr 28, 17 4:00 pm Post subject:

Nick wrote:

Guess what happens next?

1. Gets infected with yeast and turns into cider vinegar?

OR (more plausibly)

2. Wife beats me with re-rusted shelves before making me drink the paint?

dpack

Joined: 02 Jul 2005
Posts: 46249
Location: yes

Posted: Fri Apr 28, 17 6:33 pm Post subject:
2

gregotyn

Joined: 24 Jun 2010
Posts: 2201
Location: Llanfyllin area

Posted: Sat Apr 29, 17 9:29 am Post subject:
Replace the shelves with wood, it won't hurt so much, and could also give rise to the yeast and a pint.

tahir

Joined: 28 Oct 2004
Posts: 45676
Location: Essex

Posted: Sat Apr 29, 17 3:04 pm Post subject:
Shelves painted and two cattle troughs turned into benches

sean
Downsizer Moderator

Joined: 28 Oct 2004
Posts: 42219
Location: North Devon

Posted: Sat Apr 29, 17 3:21 pm Post subject:
Get you with your upcycled furniture.

Nick

Joined: 02 Nov 2004
Posts: 34535
Location: Hereford

Posted: Sat Apr 29, 17 5:38 pm Post subject:
He's like KEVIN McCloud, but more Essexer.

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