The main properties that must be present in the paint are resistance to atmospheric phenomena, as well as to corrosion, which can damage a metal roof. Roof rust paint should match the type of roof you have.
Roof painting is not a simple matter and you need to understand it. Metal roofs are divided into groups such as:
- roofs that are covered with black metal;
- roofs covered with galvanized metal;
- Well, the last option is roofs that are covered with non-ferrous metals, among which there are: copper, titanium, zinc and so on.
A gable mansard roof covered with black and galvanized metal is very common, although such a roof is much more expensive than covering with simple slate.
How to paint a roof that is covered with black metal? You need to know that the roofs that are covered with black metal must be painted.
Paints for painting roofs of houses are:
- oil;
- acrylic;
- anti-corrosion.
As a rule, oil paints are used for such purposes. But this leads to the fact that you will often repaint your roof, and this is an additional cash cost.
Tip! So, you need to use acrylic types of paints that have an anti-corrosion effect in their properties.
It should also be noted that these types of paints have great elastic properties, which plays an important role in temperature transfer. In this case, your roof will stand for a long time and do not require additional painting.
Your attention! Oil and alkyd paints have much less elasticity, and over time they also lose it. Still, you need to give preference to acrylic paint. Eventually, this paint will come off the roof layer as a separate layer, and you will need to additionally paint the roof surface.
Very often, roofs are covered with zinc material, but you need to know that they must be painted, this is accompanied by a number of reasons.
- Zinc is a very thin material that begins to corrode due to weathering, so painting is a must.
- a painted roof will look much better, it will give it an aesthetic look.
Painting a galvanized roof
But, when painting, you need to take into account that the paint and the surface must match each other, so, for example, a galvanized roof cannot be painted with alkyd paint.
Because the alkyd paint will oxidize the surface and it will start to flake, causing you to need to repaint the roof.
Many people who do not know: how to paint a roof try to find on the Internet such phrases: how to paint a roof or how to paint a rusty roof, and so on. There is plenty of material on the net on this topic, so after studying them, you can paint your roof yourself.
In order for the painting of the roof of the house to be both beautiful and effective, you need to know that the galvanized roof must be painted with special industrial types of paints. And all because zinc has a more passive surface than black iron, many do not know this and therefore make a number of mistakes.
For galvanized roof surfaces, paints are used that have great adhesion and elasticity. One such type of paint is Matte Acrylic Roof Paint.
Preparing the roof surface before painting
But before you start painting a metal roof, you need to clean the surface of various dirt, dust, rust, and old paint.
If this is necessary, then old rusty layers, gutters should be replaced, some experts recommend measuring the area that you will paint before painting. This is necessary in order to accurately calculate how much paint you need.
To remove old paint and rust, you need to use various washes, including drying oils, as well as metal brushes, which remove rust very well.
Sometimes various chemicals are used to remove rust, such as a rust remover.
A steel roof begins to rust not only from the outside, but also from the inside, and especially where heat passes. Those parts of the roof that lie on the battens do not rust, because they are protected by wooden boards.
To protect the roof of your house from unwanted rust, you need to take a steel brush and thoroughly clean those places that have begun to rust. After that, you need to paint the roof of your house with a special, anti-corrosion paint.
For painting gable roof use large fly brushes and rollers with fur coats. First, they paint the descent, which is on the roof, and then they begin to paint the skates and everything else.
Also for galvanized roofs, you can use matte, acrylic paints, which have anti-corrosion agents in their composition.
Silverfish are also very good for roofs. Painting the roof with silver is already a common practice for the inhabitants of our country.
So, as you can see, painting such a structure as slate roof, your home, this is not an easy process, but it must be approached responsibly, as the longevity of your roof depends on it.
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