Types of Roof Coatings You Should Know

There are several reasons why you should consider coating your roof. Roof coatings provide protection against weather-induced degradation. It can add desirable aesthetics to your roof while adding to its durability. Depending on your desired properties, you can choose from different roof coatings for your roof.

Silicone Coatings

Silicone provides outstanding defense against natural elements. It is a good barrier for UV rays and harsh weather conditions. If ponding water and rusting are problems in your roof, this is a good choice for coating. These are easily applied on existing roofs that make them a popular choice.

The disadvantages of silicone coatings are its cost and complex application . Higher metal corrosion resistant variants are more expensive.

Acrylic coatings

These are the most common roof coatings because of their low-cost, longevity, and weight. Acrylic coatings maintain good building temperature from hot weather conditions and protect the roof against UVradiation. Compared to silicone roof coatings they are more resistant to dirt.

Acrylic coatings can be applied to single-ply membranes and metal systems. They are easy to work with and can be applied in more than one coating. A downside of acrylic coating is its sensitivity in its method of application and curing, wherein it shouldn’t be applied in freezing temperatures. Otherwise, this type of coating can set in a short amount of time.

Polyurethane coatings

Polyurethane coatings bring longevity to roofs while offering flexibility. It can withstand thermal movement in roof structures as well as damaging ponding water. This type of coating adheres well with most structures. Several disadvantages of polyurethane coatings are its short shelf life, strong odor, and somewhat difficult application method.

Aliphatic and aromatic are two types of polyurethane coatings. Aliphatic is usually used as a top coat. It has better protection against UV rays and dirt. Meanwhile, aromatic is typically used as a base coat material. It is cheaper but not as durable against UV.

Fluid-applied asphaltic rubber membrane system

Asphaltic rubber combines the elasticity of rubber with the durability of asphalt. It is implemented in cold-process fluid-applied applications. It is able to conform to surfaces such that any dents or irregularities can be filled and sealed using this material.

This coating works best for extending the roof’s life with minimal maintenance. It’s elongation can reach 1000 percent which is perfect for extreme weather conditions that are damaging due to surface expansions. This type of coating has superb adhesion due to its self-sealing characteristics. It bonds well with most materials. This material is non-toxic, odorless, and most of all, environmentally friendly.

It can be confusing to select the perfect roof coating material for your roof, but having a list of your needs and budget can make the process easier. These roof coatings adhere to specific materials as well which should be at the top of your criteria. There are more varieties of roof coatings available in the market that you may be better suitable for your requirements. For your roofing needs, contact your local construction expert to have the best roofing solutions that are guaranteed to last you for a long time.

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