Should I put on undercoat when painting panelling?

Question

Hi. I have new wooden panelling a mixture of mdf tulip wood and pine. I primed it 2 to 3 times until it was evenly white. I didn’t undercoat because farrow and ball only supply a combined primer and undercoat and another combined option like that was v thick and viscous and difficult to work with. 

So I went straight to farrow and ball modern eggshell for a 40-% sheen. I have put two coats on and from a distance it looks fine bit up close it looks streaky and pretty obvious brush marks. The paint goes on v smoothly and looks v nice but once it dries it looks terrible. Can you help???

Darren · Accepted Answer

On any bare wood or MDF surface, you need to use an acrylic primer, then one or two undercoats. For best result do 2 undercoats, give it a light sanding with some hundred and twenty grit when it is dry, then clean of the dust and apply your eggshell evenly and thinly using a roller rather than a brush where you can. Hope this helps. Should give you a good smooth finish.

Terry · Answer

Yes a thin coat then let it dry and paint a second time

Marina · Answer

Don't use a brush, use a smooth roller and also use a very fine sanding paper to take any spots of the dust off and then paint it 1 to 2 coats of paint.

Jamie · Answer

The only way to cure this now is to rub down with sand paper recoat with your undercoat/primer by paint brushing on and roll over with a mini roller just to take the brush lines out kind regards Jamie Painter and Decorator

Edward · Answer

All you need to do is water it down slightly so that it is easy to work with. Also, use a small foam roller instead of the brush, this will go on evenly and leave a superior finish

Mike · Answer

Emulsion can be use as a undercoat on mdf good solid oil base will do the trick

Raman · Answer

Firstly you need to sand it down properly and make sure when you're doing it with a brush move your hand in both positions so there is no paint leftover to leave a mark.

Mark · Answer

Don't use Farrow & Ball paint.
It's poor and overpriced.
Use 4 coat system on new wood.
2 x water-based Primer/Undercoats followed by 2 x topcoat of oil-based in whatever finish you require.
Preferably Trade paint which Johnstone or Dulux can match to F&B colours  pretty accurately

Nick · Answer

Many people do this but is wrong what you have to do is sand this down USE PRIMER this time what the primer do is closing the micro gaps you have on the timber and create a barrier between your timber and the paint you use. Make sure you paint that 2 time leave enough time between the first and second coat even give the third one as well. Thanks

Ian · Answer

My advice is keep coating the wood until it looks solid majestic painters and decorators ian

Matthew · Answer

Always use a MDF primer and then undercoat otherwise you will not get the solid sharp finish you want all the best 
Matt.

Matt · Answer

If you don't want brush marks, you'll have to sand it back and spray it. If that's not an option, use a synthetic brush to cut in then use a mini roller to roll and even the brush strokes out (4" short pile) 

My suggestion would be to order the "two fussy blokes" mini roller sleeves online, they give a lovely finish. You'll just have to paint sufficient coats until you're happy it's not patchy anymore

Should I put on undercoat when painting panelling?

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