Causes Hairline Cracks In Paint?
One of the most common interior paint problems
is the appearance of hairline cracks. If you
live in Singapore, where the climate is often
warm and humid, then you stand an even higher
chance for hairline cracks to appear in the
paint. However, there are situations when the
paint cracks because it was improperly applied.
You can use this article in order to learn how
to solve this problem and also how specialists
in the field can be of assistance.
Most Singapore homes have small cracks in the
paint, as the humidity is too high and it has a
direct effect on the paint. If you have noticed
small hairline cracks, then you should not waste
any more time and call in a team of specialists.
Don't think that just because the cracks are
small, they won't get bigger. In fact, hairline
cracks tend to worsen over time, especially if
no measures are taken for them to be fixed.
Lets find out the top causes that lead to the
appearance of hairline cracks in paint and then
the ways to solve them.
Among the most common causes of hairline cracks,
you can find the following:
- Constant humidity (Singapore is known for its
tropical climate) - paint contracts and hairline
- Increased temperatures - combined with the
constant humidity, they lead to the contraction
of paint and the appearance of cracks in the
- Low paint quality - if the paint is not
qualitative, then it will not properly adhere to
the wall and, soon, you will notice the hairline
- Application of paint over another coat of
paint - this is one of the most common mistakes.
Before painting a wall, you should first take
down the other paint. Be sure to do that, as the
application of oil-based paints over other types
(such as latex paint, for example) can lead to
- Just because you find yourself under a tight
budget, this does not mean you should apply on a
thin layer of paint on the wall. If you apply
thin layers of paint, then soon they will have a
lot of hairline cracks and you will certainly
have to pay more to cover them.
- If you do not prepare the area to be painted
properly, then the paint will crack soon after
it was applied.
- Unfortunately, the Singapore temperatures can
cause the paint to dry faster than it should.
You can avoid that by using the air conditioning
or closing the windows immediately after you
- If you have taken too long to re-pain the
house, then it is only normal hairline cracks
have appeared in time. It is common knowledge
that paint brittles with age.
- If you do not wait for the first layer of
paint to properly dry off and you quickly apply
another layer, then you have a very good chance
of hairline cracks to appear. Wait for the paint
to dry off before applying it. Also, this kind
of cracking can appear if you use two different
types of paints, one for the first layer and
another for the second layer.
So far, we have talked about the reasons that
might lead to the appearance of hairline cracks.
The main culprit, as you have seen for yourself,
is related to the fact that Singapore is located
in a tropical climate. However, this does not
mean that there are not certain things you can
do in order to solve the problem. Below, you
will find the most common solutions for hairline
cracks in the paint. Be sure to try them out and
soon you will have the most beautiful,
This is what you can do to repair hairline
cracks in the paint:
- Analyze how far has the paint cracked; if the
hairline cracks are not too deep, then you might
be able to solve the problem easier than you
imagine. Just take one of those scrapers that
are commonly used for the preparation of the
area to be painted and try to remove the loose
paint. You can also use a wire brush to remove
the flaking paint, but this depends on the tools
that you have available. The area in which you
have removed the paint should be sanded in order
to soften the edges. Then, be sure to prime the
area, as you would normally do with any part of
your wall that is about to be painted. Last,
apply paint to the surface. Wait for it to dry
off before applying a new layer, if that is
- If the hairline cracks are deep and they have
gone through all the layers of the paint, then
you might have to use a special material in
order to fill the cracks. Only after you have
used filling materials, you can apply a fresh
coat of paint in the area.
- If the hairline cracks have affected an
extensive surface, you will have to remove the
paint in the area. You can scrape it off using a
scraper or, if you want to save some time, you
can resort to a heat gun. Once you have finished
scraping the area off, you can proceed to the
next step. Sand the affected surface to soften
the edges, prepare it for the application of
paint and then, re-paint. Wait for the first
layer to dry off before applying one or two
others layers of paint. Latex paint is
recommended for better resistance.
So, you see, there are solutions to repairing
the hairline cracks that appear in your paint.
Sure, given the tropical climate of Singapore,
you will probably have to deal with such
problems all of your life. If you feel like you
cannot handle the repairing of the hairline
cracks on your own, then you can always call a
team of specialists and let them handle the
actual repair process. They can also identify
the exact cause that led to the appearance of
hairline cracks and suggest methods or measures
you can taken in order to prevent their
appearance in the future.