|
Shrivelling and wrinkling
Cause
Shrivelling & wrinkling of new paintwork occurs when the
surface of the paint dries too quickly, therefore forming a
skin before the paint underneath could dry. It is likely to
be worse if a thick coat of paint is applied, especially to
horizontal surfaces. It can also occur if a second coat is
applied before the first one has dried.
Putting it right
Allow the paint to dry and harden. This may take several days,
or weeks, depending on the drying conditions. When dry, rub
the surface down using 'wet and dry' abrasive paper, and clean
with warm water with a little detergent added. Rinse the surface
with clean water and allow to dry before repainting.
|
|
 |
Rain
spotting
Cause
Depressions or surface blemishes in the paint film. A common
cause is rain that has fallen on the surface before the film
has had chance to fully dry.
Putting it right
When the surface is thoroughly dry the affected surface will
need to be rubbed down using 'wet and dry' abrasive paper. It
can then be re-coated.
|
|
 |
Blooming
or loss of gloss
Cause
Blooming is a loss of gloss, therefore normally only noticed
with high gloss paint & varnishes. It is caused by the settling
of dew or condensation on the paint shortly after application.
This is often a problem when painting out of season, or in areas
of high condensation like bathrooms.
Putting it right
When the surface is thoroughly dry the affected surface will
need to be rubbed down using 'wet and dry' abrasive paper. It
can then be re-coated. This should only be done once the conditions
improve or when the condensation problem is resolved.
|
|
 |
Yellowing
on radiators
Cause
Conventional gloss paints discolour due to the effects of heat.
Putting it right
There are two options to prevent it happening. Firstly, paint
the radiator the same colour as the wall as yellowing is much
more noticeable with white paint. Alternatively use Hammerite
Quick Drying Radiator Enamel (White or Magnolia) or Radiator
Enamel (White) or Radiator Shades.
|
|
 |
Grey
denatured wood
Cause
Wood that is exposed to UV light from the sun can become grey
and friable.
Putting it right
This dead wood must be completely removed by rubbing it down
to new sound wood. If outside, the wood can then be primed with Weathershield
Exterior Preservative Primer followed by the Weathershield Undercoat & Gloss system.
|
|
 |
Rotten
wood
Cause
Wood will rot when exposed to excessive moisture for prolonged
periods.
Putting it right
All rotten wood must be cut out and replaced with sound timber.
There is a wide range of Cuprinol and Polycell products available
to prepare the area ready for painting. Smaller rotten areas
of joinery may be strengthened with Cuprinol Ultra Tough Wood
Hardener and then filled with Cuprinol Ultra Tough Hardener prior
to painting.
|
|
 |
