What Is Built up Roofing in Brookline and How Does It Work?


Built-up roofing, often known as BUR, is the most prevalent low-slope roofing material. It comprises alternating layers of reinforced fabric and bitumen (asphalt), with a top layer of aggregate like stone or gravel. Because it forms a continuous sealed surface, BUR is suitable for low-slope or “flat” roofs. Roof shingles, on the other hand, are not sealed and need a very high roof slope to shed water adequately.

Built-up roofing is not a new concept. The idea has been around for almost a century; however, the material and its implementation have undoubtedly developed throughout that period. For better energy efficiency, modern built-up goods have a stiff insulating layer. The main components of built-up roofing are bitumen materials, ply sheets and surface materials.

However, the bitumen may be “hot,” which means it is heated to liquefy during installation, or “cold,” which is more of an adhesive and is not heated. Cold built-up roofing may be applied using a squeegee or sprayed. It emits no hazardous fumes during usage and is not affected by the weather. It is also more durable than hot built-up roofing.

Built-up roofing ply sheets are unique textiles enhanced with fiberglass or organic ingredients. It is put over hot or cold bitumen to bind each ply sheet layer to the roof. Ply sheets are typically manufactured in a fixed width of around 36 inches.

The top layer comprises surfacing materials, which might be tiny stones or finer gravel, depending on the use. This layer completes the aesthetic and protects the layers underneath from sunshine and harm from flying or falling debris. It also makes walking on the roof safer. Ballasted roofing is a form of built-up roofing that employs huge stones for the surface layer. The lower layers of a ballasted system are not glued or fixed to the roof structure, and the heavy surface layer holds the roofing in place. Visit https://thebrooklineroofers.com/ for more information on roofing in Brookline, MA.

What Does Roof Built-up Mean?

This roofing in Brookline MA, method is based on constructing numerous layers of roofing membranes, tar paper, or other specifically developed membrane materials. The layers are put in a certain order to guarantee that all of the layers are attached to the bottom layer. The built-up roof method is utilized for any roof that cannot be shingled due to a low pitch. The building code specifies the lowest sloped roof on which shingles are permitted. Built-up roofing is a flat roofing method that was the most prevalent kind of flat roofing until single-ply roofing technology was created and popularized. A tar kettle or vessel in which huge solid particles of asphalt tar are heated to a melting point is often required for built-up roofing systems. This hot liquid is piped to the roof elevation and used to bond the roofing membrane plies together. Because of the fire dangers of the asphalt tar kettle, safety is a problem when using a built-up roof application. Fire suppression precautions are critical while installing a built-up roof. To keep the heat in the asphalt material, hot torches are utilized on the roof surface, and open flames are employed as part of the installation. The usage of built-up roofing systems is gradually being replaced by single-ply roofing systems, which remove fire concerns and the time necessary for appropriate built-up roof installation.

Is Built-up Roofing Good?

Built-up roofing in Brookline MA, is an excellent choice since roofers have been erecting these roofing systems for over 100 years, and it has shown to be a sturdy and lasting roofing system. Built-up roofing is a terrific alternative for a quality roofing material to put on your flat business roof.

Cool roofs, obtained by applying a reflecting roof coating, may significantly impact energy expenses, particularly cooling costs, connected with build-up roofing. According to Home Advisor, reflective roof coatings may lower warm season energy expenses by up to 70% by reflecting most of the sun’s light and heat rather than absorbing it; That doesn’t even take into account the tax advantages you’ll get if your reflectively coated roof also satisfies Energy Star requirements.

What’s Another Name for Built-up Roofing?

Built-up roofing became common in the 1970s and is now frequently referred to as a gravel or tar roof.

What Is the Life Expectancy of a Built-up Roof?

The built-up roofing system lifetime, at 10-15 years, is the shortest of all the materials in the research. This material is only anticipated to last, at most, a decade and a half, even with adequate upkeep and inspections.


As a homeowner, it’s important to understand the fundamentals of any roofing Brookline MA, system you’re thinking about for your house, but homeowners should always review specifics with a roofing Brookline MA contractor. The local climate has a significant role in determining the best roof for your house. If you’re considering replacing your roof rather than installing a new one, pre-existing roofing structures are also an option. In any case, you want to consult a skilled roofer familiar with your neighborhood and house. As previously said, you won’t be able to do this job independently, so once you have a basic understanding of the questions you should be asking your contractor, it’s never too early to get in touch with a local expert.

Carson Connor

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