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Guidelines On How To Install Roof Coatings

By John Wallace


The needs to protect rooftops against corrosive agents like water increases as new roofing products are manufactured. Roof coatings play a crucial role on preventing rust and corrosion. They also form a protective cover on roofing products hence making them resistant to different weather and environmental conditions.

The primary role of the coatings is to act as a protective layer on roofing products. Agents of mechanical damage such as hail, infrared, rain and ultra violet rays are prevented in the process. In addition to serving a protective role, they have a number of advantages when installed on building rooftops. This is because they are normally compatible with most modern roofing items.

The quality of any paint applied on roofing materials depends on where it is bought and the professional who applies it. The national association for roofing contractors drafted guidelines on how rooftops should be coated. These guidelines were as a response to the increased damages done on roofs as well as the safety issues associated with improper painting practices.

The coatings are also designed to add twenty five years of service life to a roofing material. They also minimize the number of discarded or eroded roofing substances that fall in landfills. When compared using infrared scanners, coated rooftops are less affected by strong sun rays when compared to uncoated ones. Furthermore, the rooftop temperatures can be reduced when the tops are coated. This can also minimize the air conditioning bills.

Painted roofs may have disadvantages and risks. For example, those that are generally flat tend to hold stagnant water for long. Consequently, companies that manufacture paint used on these rooftops fail to prove that the paints have the ability to resist the corrosive effects of inert water lying on rooftops after it has rained.

The best tool to use when painting rooftops is an airless spray. This is because airless sprays comprise of a pump designed to release paint under high pressure. They are also more effective in terms of performance when compared to other old fashioned tools of painting such as brushes and rollers. However, as a safety precaution, painters must wear protective clothing such as gloves and gas masks when using these sprays. This prevents their body tissues from being affected by hazardous paint.

For any spraying activity to be fruitful, the pump of an airless spray must release as many paint gallons as possible. Furthermore, the nozzle tip should be tiny. The least pressure that should be applied on the spraying tool must exceed two thousand units. Airless sprays operate courtesy of gasoline engines and electric motors. They can only be powered by a fueled engine or electricity. Those that operate on electricity are more efficient in terms of performance.

Filters found on airless sprays should be removed when painting. Their main role is to apply fine enamels and finishes on a rooftop. When left on the spray, they increase the back pressure hence decreasing the efficiency of painting. When buying these sprays, look at the specifications. It is also advisable for the painting to be conducted by competent individuals.




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