The Truth about Aluminum Roof Coatings
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The Truth about Aluminum Roof Coatings

If you walk down the roofing supply aisle of your local home improvement store, you are bound to see a selection of aluminum coating products that promise to be effective solutions to your roofing problems. However, before you consider an aluminum coating for your commercial roof, you may want to do some homework.

Cons of Using Aluminum Roof Coatings

local roof repair projectThe main selling point of most aluminum coatings is low initial cost. But is cheaper better in this case? Let’s examine the evidence:

  • Inability to Adhere — Aluminum coatings will not bond with water-based coatings. This is problematic, especially if you decide to apply a longer-lasting acrylic product in the future. A solvent-based primer can increase the chances of adhesion; however, this approach has had mixed results.
  • Beware of Rain —Aluminum coatings do not provide protection against water, except for hairline cracks.
  • Unable to Fluctuate — Aluminum roof coatings do not expand and contract with changing temperatures. The inflexible nature of these coatings can lead to the development of bubbles, cracks, and gaps in a commercial roof.
  • Lackluster Warranties —Although warranty options may vary depending on the manufacturer, aluminum coating products typically offer a one to seven year limited warranty.
  • Subpar Reflectivity — Composed of asphalt, aluminum paste, fillers, hydrocarbon solvents, and other chemicals, aluminum coatings claim to lower roof temperatures and reflect ultraviolet rays. However, according to the Cool Roof Rating Council—an organization that evaluates solar reflectance and thermal emittance—these roof coatings are 20% less efficient in solar reflectance and thermal emissivity than acrylic coatings. In as few as three years, aluminum roof coatings can be up to 50% less efficient than most acrylic coating products. For building owners, this decline translates into higher energy costs over their roof’s lifecycle. In addition, without proper UV reflectivity, a roof is vulnerable to ultraviolet degradation.
  • Difficult to Clean — Cleaning is part of routine roof maintenance. But if you have an aluminum coating, cleaning can be tricky. During the cleaning process, aluminum flakes can slough off, exposing the substrate below and releasing aluminum particles into the environment.
  • Apply with Caution — Because they are solvent based, aluminum coatings can have a high Volatile Organic Content (VOC), which means noxious odors are emitted during application.
  • Frequent Recoating Needed — With aluminum roof coatings, be prepared to re-coat often. The product’s lifespan is approximately three to four years.

The Benefits of Conklin’s Acrylic Elastomeric Roof Coatings

local roof repair projectWith an exceptional 35+ year track record, Conklin continues to be a trusted name in the commercial roofing industry. Their revolutionary elastomeric roof coatings are formulated to cover any type of roofing substrate. Once the fluid-applied product dries, it creates a seamless, water-tight membrane on top of the pre-existing roof, making it look and perform like new.

Conklin coatings also meet third party standards for energy efficiency, including LEED standards, ENERY STAR® qualification, and Cool Roof Rating Council standards. They reflect up to 85% or the sun’s rays and can save owners 15% or more on annual energy costs.

Conklin elastomeric coatings have numerous other advantages:

  • Withstand hail, strong winds, heavy rains, fire, & more
  • Completely restore an old roof
  • Renewable, non-prorated warranty coverage for up to 18 years
  • Respond to changes in outdoor temperatures
  • Elastic properties allow the product to expand & contract with ease
  • Fully adhered, durable, cleanable membrane
  • Can add decades to the life of a pre-existing roof
  • Need an Expert?

    Our group works together to provide:

    • Larger Base of Knowledge
    • No recoats required until last year of warranty
    • Group-Wide Accountability
    • One Source for All Projects
    • Set Standards for Service
    • More Peace of Mind
    Free Local Quote

  • Recoatable for extended protection & renewable warranty options
  • Emit fewer odors into the environment
  • Preferred by hospitals & universities
  • Sustainable, renewable roofing solution

It is important to note, that all roofs should be cleaned and professionally prepped before any coating is applied. Otherwise, the coating will not adhere properly and begin to peel shortly after application.

If you are looking for a reputable commercial roofing contractor, call us at (800) 670-5883. Our nationwide network of members are experienced and together can meet virtually any commercial roofing demand. When you hire a Choice Roof contractor, you can have peace of mind knowing that they are accountable to the group, can draw from a larger base of knowledge and must follow set standards for service. Contact us today! We look forward to the opportunity of earning your business.

Cami Cox on Linkedin
Written by: Cami Cox
Cami Cox
Cami is one of the main writers at Choice Roof Contractor Group. Leveraging her unique background in the space and more than a decade of professional writing experience, she has written countless articles on the various aspects of commercial roofs and has gained the respect of building owners and contractors across the country.

6 Responses to “ The Truth about Aluminum Roof Coatings ”

  1. As per my personal experience I do not think Aluminum coatings are long lasting material, but it can help for a small period time.

  2. Thanks for the nice review. Nice explanation. I was not aware about Aluminum Roof Coatings. This article is very helpful for me.

  3. Nice to know a bit more about a coating that I wasn’t fully informed about. It is so important to know all the facts and details before making any decisions about roof repairmen’s and replacement. Thanks for the tips!

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