Coating Your Roof

Coating Your Roof

Coating Your Roof

Sooner or later it will come a time when you will need to consider the maintenance coating of your external roofing, due to its deterioration from errosion, corrosion, or enviromental impact. Roof coatings do not last forever and when it comes round to tackling this task could be difficult ,unless you have some knowledge or experience of roof coatings. There are many types of roof coatings on todays market and it can be quiet daubting trying to identify the correct coating for the job,especially if you have no idea of what is required. Before you choose a product to use, first you need to be armed with some general information to give to your supplier, to enable them to recommend the correct roof coating.

This will include the type of roof to be coated, the base material of the roof (metal, plastic, timber, tiled) and the current condition of your roof. If your roof is already coated then it is very important that you identify the type of existing roof coating, this is needed to ensure the new product you are going to use is compatible. If you apply a new roof coating that is not compatible with the existing coating ,this can lead to many problems such as blistering, saponification, and poor adhesion. For example: do not apply alkyd gloss coatings over epoxies or polyurethanes, or rubber based products over bitumen coatings.

Not only you need to be aware of compatibility problems but also you need to know the type and standard of surface preparation that will be required for the choosen product. Some coating products can be applied over an existing compatible coated surface, with minimal surface preparation. Other products may require you to completely remove the existing coating by means of chemical stripping or mechanical grit blasting. In some cases it maybe more preferable to replace the roofing rather than re-coat due to cost. Plastic and tiled roof will require alternative methods of surface preparation.

When choosing a product you will also need to be aware of the type of environment and conditions it is situated in. There are different types of roof coatings for different types of climates such as coastal, tropical and cold climate areas, and coatings formulated for high impact areas, heavy rainfall and high periods of sunlight, as high amounts of ultra violet rays can breakdown the coating.

With all these factors influencing the performance of your roof coating, you can understand that some planning is required before you go ahead and purchase your new roof coating. Most roof coating suppliers will be capable of recommending the correct type of coating, but you will need to give them this information for their recommendation to be as accurate as possible.

Once you have choosen your product the next step will be to choose the right roofing coating company to coat your roof in a professional and assured way.

 

Source: Artipot

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