Henry - A Leader in Building Envelope Systems
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Protecting your roof with asphalt coatings

Why coat your roof with asphalt coatings?

asphalt roofing Because roofs are subject to weathering, heat and sunlight cause the roofing surface to become dry and brittle (i.e. alligator), and often results in cracks in the surface that lead to roof leaks. Additionally, because metal can rust and corrode, asphalt-based plastic cement used to seal around pipes, vents, flashings, and other roof penetrations, deteriorates over time and causes leaks. However, asphalt coatings protect against unnecessary roof leaks, giving a thick, economical layer of waterproof protection.

Choosing the right asphalt coating

Before your apply your asphalt roof coating, Henry recommends preparing your roof surface for proper application.  These tips will help you fix roof imperfections, leaks and more.  And we'll walk you through the steps for preparing a roof that is in less-than-perfect condition.

Use asphalt coatings on the following roof surfaces:

  • Smooth-surfaced composition roll roofing
  • Mineral-surfaced cap sheet (fine granules)
  • Asphalt-coated roofing (without gravel)
  • Aluminum or white-coated roofing
  • Metal roofing

Applying your asphalt roof coating

Henry outlines just a few simple steps that will have you applying your asphalt roof coating in no time!

Do not coat the following types of roofs:

  • Asphalt shingles (curled edges may result)
  • Wood shingles or shakes
  • Clay or Spanish tiles
  • Gravel or rock surfaced roofs (unless the gravel is scraped off and removed from the roof)

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