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Greenwich Roofing: Article About Metal Roof Paints

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Because metal roofs are energy efficient and reflect a certain amount of sunlight, they are becoming a popular option among homeowners. What many do not know is that, at some point, the roof will need to be repainted. A Greenwich roofing contractor can help a homeowner determine what paint is best for a particular roof.

There are two main types of metal paints: acrylic coatings and oil based coatings. Acrylic paints, which are water based, are designed to contract and expand with the metal roofing. Some acrylic paints can be applied directly to the metal while others need a primer. Oil based paints are designed to be applied to tin roofs.

There are several steps that must be taken to prepare a metal roof for a new coat of paint. No matter what type of metal the roof is made out of, all roofs need to be cleaned of any organic debris and trash. A power washer can also be used to wash away the grime. The next step is to remove any rust and rust stains. This can be done by using a wire brush to knock the rust from the roof. An electric sander can also be used to smooth down any rough edges. It is likely that not all of the rust will be removed; as long as the roof is smooth, there should not be any problems.

An expert roofer at Sound Renovation of Greenwich can assist you with any questions regarding metal roofing or slate roofing.

For aluminum or steel roofs, the roof should be scuff sanded to provide a slightly gritty surface for the primer and paint to better adhere to the roof metal. Once this is done, a primer that was designed for the specific type of roof metal should be used. After the primer has dried, the paint can then be applied. It is important to avoid painting in direct sunlight as this can cause the acrylic paint to blister.

Tin roofs need a linseed oil based paint that was designed to protect the metal roof against rust. A paint sprayer is used to lay down the first layer. Tin roofs will need several layers to fully cover the roof. Areas where the paint sprayer cannot hit can be hand painted. The paint should be left to dry between each layer.

Repainting a metal roof is one of the most important things that a homeowner can do. Not only does the paint keep rust at bay, but it also creates a protective layer around the metal. In order to provide the best protection available, it is best to have an expert roofer do the repaint.

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