Alf Bibby AA MIST coat
to show up any defects on the new plaster will help.
A common way to do this is with watered-down emulsion (known as a mist coat
), as the plaster sucks up the water and becomes less absorbent.
The ceiling has probably been painted over fresh plaster without a mist coat
being applied – dry plaster can suck out the moisture from the paint preventing it from bonding correctly and results in flaking, especially if there is moisture in the room.
- Peter Christian, by email I'D 2 useapole sander then give the ceiling a mist coat
of white paint and use a pencil to mark any defects.
Once the zinc is hard, the first coat of polyurethane is applied as a light mist coat
(some people call it a 'tack' coat) in exactly the same way as a car or aircraft is sprayed.
Owing to the quality of the finish, the parts need only a single mist coat
of water-based paint.
The decorator first applies a mist coat
on to the new plasterwork, partly to seal the absorbent plaster but also to show up in relief all of the humps and bumps left by the plasterer.
Then give the ceiling a mist coat
of white paint, take a pencil and mark any defects on the ceiling.
Give the walls a mist coat
of emulsion paint, apply a stain block over any marks and finally give two full coats of paint.
After a thin mist coat
has been applied, a covering coat can then be sprayed directly.
When the ceiling has been washed down, apply one mist coat
and two full coats of emulsion paint.
The bulk of the anti corrosion fluid is applied as a mist coat
, with particular sprayguns positioned to tackle known problem areas, such as the rear of the engine, with a heavier coating.