Mist coat on fresh plater

Drew210385

I’ve recently had my kitchen/diner re plastered. I had planned on two coats of watered down white emulsion before painting two coats of my desired colour, however I've just been searching online for the correct ratio (50/50 seems to be the most popular) and I noticed a reply from a decorator saying they always just do one coat of mist, so the pink of the plaster is still ever so slightly visible through the watered down mist coat. I'm really tight on time (kitchen being fitted Monday and the plaster took longer to dry than planned!) so this would save me a lot of time but wanted to check if this was OK?

krey

what's the actual problem? Yes you water it down by some 35-40% depending on the thickness of your paint, you want it be almost as ''thick'' as a water. The purpose of a mistcoat is so the plaster can suck in the water from your mistcoat so it doesnt sucks out all the water from your finishing paint and leave it all very very bad looking+ flaking.

phil24_7

I tend to do a 50/50 mix, followed by a thicker 70/30 or 80/20, followed by 1 or 2 normal coats.

trailingspouse

It's a miss coat, not a mist coat. It allows you to see where the plaster isn't completely smooth - in other words, the bits the paint 'misses'. Hence the name.

TheCyclingProgrammer

trailingspouse wrote: »

It's a miss coat, not a mist coat. It allows you to see where the plaster isn't completely smooth - in other words, the bits the paint 'misses'. Hence the name.

It's "mist coat", probably named because the final coat is watered down and should should be translucent. Its got nothing to do with seeing where the plaster isn't smooth (although it can help reveal imperfections to sand/fill before painting) - its about reducing the suction on the plaster so it doesn't just suck out the moisture from your first top coat of paint and ruin the adhesion (with the end result being the paint flaking off).

You should use a non-vinyl contract matt for the mist coat.

Giddypip

Having painted 2 freshly plastered rooms last year I can tell you I did one mist coat then 2 coats in the colours I had chosen, this was with bog standard b&q paint, looks great.

TRB

One watered down coat is fine after that it depends on the paint you use some trade paints are easier to use with about 10% water.

DRP

buy screwfix paint for bare plaster.

Have used it several times and it is great, virtually no plaster showing through and ready to go for your final finish paint.

pc1271

Giddypip wrote: »

Having painted 2 freshly plastered rooms last year I can tell you I did one mist coat then 2 coats in the colours I had chosen, this was with bog standard b&q paint, looks great.

I did exactly this too. 50/50 first coat, two normal.

TheCyclingProgrammer

DRP wrote: »

buy screwfix paint for bare plaster.

Have used it several times and it is great, virtually no plaster showing through and ready to go for your final finish paint.

I can also recommend this. Have used this and done it the old fashioned way with watered down Leyland matt. The bare plaster paint was much less hassle.

searchlight123

TheCyclingProgrammer wrote: »

I can also recommend this. Have used this and done it the old fashioned way with watered down Leyland matt. The bare plaster paint was much less hassle.

just to clarify: after using the bare plaster screwfix paint do you use that again for the finishing coat or switch to a 'normal' emulsion?

many thanks