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MDF painting tips urgently needed

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nuebien:

I am using this method.. modified of course for mdf.  Only sanding I do is at the end, after it's cured.

http://www.mnpctech.com/case-mod-paint-computer-pc-case-mod-how-to1.html

sealslayer:

Ok now I'm really pi**ed, I've spent two days sanding and painting, I go to apply the "MDF  black Satin" paint and this stuff is like trying to paint with treacle, its gloopy, wont go on with the roller and just sucks in general.
If anyone in the UK knows where I can buy some good paint please let me know.
I've been to B&Q, Wickes, Homebase none of them have any expect for the rubbish I bought from B&Q's today.

There's no specialist paint shops near me so I'm pretty much screwed for the minute.
This is getting to the stage where my cab could end up as firewood on 5th November  :censored:



Texasmame:

Just relax and take a breath first!   :)

If I were in your position, I'd sand everything down a bit to get it all nice and smooth.  Then, SPRAY on a coat of primer.  Damp sand that.  Then SPRAY on TWO coats of your finishing paint.  I picked up most all of my tools for my cab used, except for the Wagner Power Painter.  Still, that was like $75 with tax which isn't bad considering it's really "the right tool for the job" here. 

All is not lost!   8)

Gambit:

If you're using a roller or paint brush, I second the motion to not use gloss, instead use semi-gloss.

It may be a bit more money, but brush or roll on the primer, sand, then spray on the paint.  Krylon is meant for hobby work like this.  If you use enough primer it takes less cans.

spacies:


--- Quote from: sealslayer on October 07, 2006, 02:42:42 pm ---Ok now I'm really pi**ed, I've spent two days sanding and painting, I go to apply the "MDF  black Satin" paint and this stuff is like trying to paint with treacle, its gloopy, wont go on with the roller and just sucks in general.
If anyone in the UK knows where I can buy some good paint please let me know.
I've been to B&Q, Wickes, Homebase none of them have any expect for the rubbish I bought from B&Q's today.

There's no specialist paint shops near me so I'm pretty much screwed for the minute.
This is getting to the stage where my cab could end up as firewood on 5th November  :censored:



--- End quote ---

Dude,
Sounds like that paint is almost as thick as my ex Mrs.
Thin it down with Mineral turps if it is oil based or water if it is water based.
Thin it down so when you dip your brush into it, it drips off the tip fairly easily. Not too easily though. Aim for approx 10% max thinning. Apply in thin coats, dont try to cover in 1 go.
Also, only use a foam roller with oil based otherwise it will come out with more hair than the lady from the circus.

Have you looked at acrylic enamels? Has the toughness of oil based paint but washes up in water. If your paint shop doesn't have it then tell them they suck and try a signwriter. They have been using it for years!

All the best.



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