preparing metal for paint

mengele

what is the best/easiest way to prepare metal for painting. its box steel which is new but needs to be lightly sanded first. is a flap disk on the sander the best job? whats best to wipe it down then after that?

dohc turbo2

mengele wrote: »

what is the best/easiest way to prepare metal for painting. its box steel which is new but needs to be lightly sanded first. is a flap disk on the sander the best job? whats best to wipe it down then after that?

Some use the wire brush attachment , I use a 40grid sanding disc. , white sprits would clean off Any oil before painting

Reggie.

mengele wrote: »

what is the best/easiest way to prepare metal for painting. its box steel which is new but needs to be lightly sanded first. is a flap disk on the sander the best job? whats best to wipe it down then after that?

Yeah a flap disc then some red oxide primer and it's ready for paint then

dzer2

buy it primed

Miname

I don't like oxide paint, I far rather using separate primer top coat. A sanding pad or a flap disc will work grand.

mengele

the steel I bought was new but it wasn't 100% clean. I have given it a fairly good sand down with the flap disk. it still looks to have really tiny tiny rust specs. should the steel be almost silver before painting? want to do a really nice job on it.

Reggie.

mengele wrote: »

the steel I bought was new but it wasn't 100% clean. I have given it a fairly good sand down with the flap disk. it still looks to have really tiny tiny rust specs. should the steel be almost silver before painting? want to do a really nice job on it.

Once you give it a good priming it should be fine

9935452

mengele wrote: »

the steel I bought was new but it wasn't 100% clean. I have given it a fairly good sand down with the flap disk. it still looks to have really tiny tiny rust specs. should the steel be almost silver before painting? want to do a really nice job on it.

How nice a job do you want to do.
A job for life would be sandblast, prime and paint with good paint.

Reggie.

9935452 wrote: »

How nice a job do you want to do.
A job for life would be sandblast, prime and paint with good paint.

Sometimes sandblast ain't as good as ya think as it can be hard to get the sand out of joints at times

kay 9

Any trace of rust or impurities give it a rip of the sander again.

9935452

Reggie. wrote: »

Sometimes sandblast ain't as good as ya think as it can be hard to get the sand out of joints at times

but the sand will get into the joints and clean them. a wire brush most likely wont

Reggie.

9935452 wrote: »

but the sand will get into the joints and clean them. a wire brush most likely wont

The sand can remain there along with bits of rust

Cavanjack

Can it be galvanised?

dh1985

Reggie. wrote: »

The sand can remain there along with bits of rust

Never seen this. Sandblasting far ahead of any way of cleaning steel. Blow off sand after with airline if its a problem

Reggie.

dh1985 wrote: »

Never seen this. Sandblasting far ahead of any way of cleaning steel. Blow off sand after with airline if its a problem

I've seen it with wheel rims and the likes.

dohc turbo2

What u using the box iron for

Bog Man 1

I use owatrol oil when painting Metal . A can goes a long way and saves on paint .
http://www.woodiesdiy.com/product/owatrol-oil-paint-conditioner-and-rust-inhibitor-500ml/11114/1.1.10.3

Grazon

Galvanize it if you can would be cheaper in the long run.