Recoating a Foam Roof

Recoating a Foam Roof: A Comprehensive Guide

Spray foam roofing is the process of applying a protective foam-like layer to the roof of your house. It consists of a liquid substance, typically polyurethane foam, sprayed over the roof surface. This foam roof recoating material is often used in hot, humid areas due to its waterproofing and insulation against sunlight.

Notable for their white color and UV protection, foam roofs are a regular sight in many hot US countries like Arizona and New Mexico. Spray polyurethane foam (SPF) is one of the best solutions for protection, insulation, and ease of installation. Unlike alternative roof renovations, it’s done quickly and provides comfort for at least a decade or two.

Although used since the 1940s, SPF is still a relatively unknown material. Given their convenience and good looks, it’s important to learn more about the art of these roof types and how they work. You should know the benefits of foam roof recoating and where to find the best professional roofers for your home.

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How is Foam Roof Recoating Done?

A spray-on foam roof material typically consists of two elements: isocyanate and polyol. The two are mixed in a rig and sprayed onto the roof surface using high pressure and heat. The final result is a light snow-white membrane solidified on the roof.

The process is done by hand using a specialized spray gun. After solidifying, polyurethane roofs can last for 10-20 years with proper maintenance. The membrane is solid and thick enough to walk on, allowing you to do roof repairs with ease. 

Why Spray Foam Your Roof?

There are many advantages and disadvantages of foam roof recoating your home. Applicable to new and existing houses, the material has the highest R-value (thermal resistance quality) among all popular roofing materials. It also comes with other appealing qualities like its looks and easy installation, outshining its complexness.

The key benefits of foam roof recoating, which attract many homeowners, include the following:

  • Insulation and Thermal Resistance: Closed-cell polyurethane foam, the one used in spray foam roof systems, has a high R-value per inch of thickness. It traps air within tiny cells, reducing heat transfer throughout the whole surface. This process protects the roof from sun damage and keeps indoor spaces cooler during hot summer days.
  • Durability: Even with just 1 inch of thickness on average, SPF provides incredibly strong protection to your roof. This high strength-to-weight ratio makes it durable and resistant to damage from walking, hail, and other impact. In the long run, it helps extend the roof’s lifespan and reduces the need for frequent repairs.
  • Easy to Install: Spray foam insulation roofing is typically done by a single worker in one day. The tools needed for the job are a single spray rig. There are no week-long preparations or operations like in alternative methods. The roof can be prepared in one day and sprayed over during the next one—all done in a single weekend.
  • Environmentally Friendly: Spray foam roofs are very energy efficient and have minimal material waste. The seamless application further minimizes material waste during installation.

The advantages far outweigh the disadvantages of foam roof recoating, but you should still know the disadvantages before you commit to this process. Namely, it all comes down to your budget. 

Foam roof recoating may have lower maintenance expenditures, but it does cost more to install. On average, an insulation foam roof process will cost between $5 and $10 per square foot. This covers material, tool, and labor costs, which is still quite affordable compared to a DIY process with other types of material.

Depending on where you live, high UV rays may slightly damage the polyurethane foam roofing over time. Luckily, regular bi-annual inspections are enough to prevent this. Costs for foam roof repair are also fairly low compared to other alternatives.

Differences Between DIY vs. Professional Recoating

While you can do a DIY spray foam roof yourself, professional foam roofing contractors offer expertise and resources to guarantee a better job. There are many nuances in the process. The surface must be well-prepared; otherwise, the surface will be uneven, and the foam won’t stick as it should.

Professional application techniques also ensure there will be no overspray, which can damage nearby structures. The final costs turn out much lower if you hire foam roof recoating services, considering the high equipment price to begin with. With companies like FoamCo Roofing, you can rest assured your roof will be coated right and stand tough for years. Contact us today to find out more about our services. 

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