Modified bitumen roofs are durable and resistant to harsh weather conditions. They can handle ponding and ultraviolet radiation, two of the most common problems for flat roofs.

They also resist chemicals and can be made into cool roofs, which can help reduce energy bills by reflecting sunlight.

Modified bitumen is a great roofing material, but it can be tricky to install properly. To get the most out of your roof, you need to follow these steps:

Benefits

Modified bitumen roofing is a durable option for flat and low-slope commercial roofs. Its inherent thickness makes it an excellent choice when waterproofing is a major concern. A 2-ply modified bitumen system with a granulated cap sheet is typically 240 MILs thick, which is far thicker than a typical single-ply membrane that comes in at 60 MILs.

Modified Bitumen is a reliable roofing material with an average lifespan of 20 years, although it can last much longer if it is properly maintained. It is one of the most trusted flat roofing systems available today.

It can be installed in several ways, including torch-applied and cold-process adhesive. The latter is preferred by many contractors because it eliminates the dangerous fumes that are emitted during heat welding. The base sheet of a modification bitumen roofing system is typically coated with an asphalt-based compound. Contractors then apply a layer of mastic, rubberized asphalt, or a self-adhesive membrane over the base sheet. Depending on the climate, contractors may also add a layer of granules.

The addition of the granules helps protect the modified bitumen roofing from sunlight. This is important because it will help the roof to reflect solar energy and help lower the building’s energy bills. The granules are available in different colors, including black, which absorbs solar energy, and white or sienna, which reflect the sun’s rays and cool the roof.

Cost

The cost of a modified bitumen roof is higher than many other roofing systems but it offers a lot of benefits that make up for the added price tag. It is highly energy-efficient, and its reflective qualities can help to lower your energy bill and reduce strain on air conditioning units. It also has a high-tensile strength that means it can withstand impacts and is very durable.

Modified bitumen can be installed on flat or low-sloped roofs and has a variety of options for the membrane. Generally, it is made of a combination of strong polymers rolled out in sheets that can be used to cover a wide range of roofs. However, this type of roofing is most commonly used on commercial buildings due to its durability and long lifespan.

There are two different types of modified bitumen: SBS (Styrene Butadiene Styrene) and APP (Atactic Polypropylene). Both have plastics or rubbers added to the asphalt and are used with fiberglass or polyester fabrics. Depending on which is chosen for the job, the seams are heat-welded with a torch or cold-sealed using adhesives.

The most common installation method for a modified bitumen roof is by using a blowtorch to heat the sheets and then adhering them to the substrate. This method is a safe option as long as it is carried out by a qualified and experienced roofing professional who follows OSHA safety guidelines.

Installation

The installation process of a modified bitumen commercial roofing system is fairly simple. Your roofing contractor will begin by cleaning the roof surface and repairing any damage, then applying an asphalt primer to help ensure a strong bond between the substrate and the base sheet.

Modified bitumen membranes are typically applied using a hot application method that uses a propane-fueled torch to heat the back of the membrane and adhere it to the roof surface. This type of installation is referred to as a “torch down” system, and it can be a great option for flat roofing in city buildings that have limited access to ladders.

Once the membrane is adhered, your roofing contractor will add an insulation layer to protect the interior of your building from heating and cooling losses. Modified bitumen can be installed with this layer in a number of different ways, but it is recommended that your roofing contractor use an insulating foam to maximize the efficiency of your roof.

A properly installed modified bitumen roof should include drip edges and flashings to prevent water intrusion and leaks. It is also important that you schedule regular inspections and maintenance to identify any issues early. Taking steps to maintain your commercial roofing system can help extend its lifespan and keep it working efficiently for years to come.

Maintenance

Modified bitumen is a popular choice among commercial roofing systems because it offers many benefits that make it an ideal fit for large surfaces and can help withstand extreme weather conditions. Additionally, when it comes time for repairs on a modified bitumen roof, they are not nearly as complex or expensive as some other types of roofing systems.

Mod Bite is highly heat and UV resistant, which keeps it from degrading or becoming brittle under high summer temperatures. Moreover, the material does not absorb as much heat, which can reduce energy bills by reducing strain on air conditioning systems. In addition, this type of roof is designed to withstand heavy foot traffic.

To maintain your Mod Bite roof, regularly inspect it for signs of wear or damage and perform regular cleanings. First, clear the roof surface of any debris. Then, apply a roof cleaning solution that is designed for modified bitumen.

Depending on the size of your roof, you may need to replace one or more of the membranes, which can be easily done by a professional roofing contractor. Additionally, a skilled roofing contractor can add any needed ventilation, insulation, or vapor barriers. Finally, a well-installed roof can be sealed with an industrial-grade sealant to prevent water from penetrating the building’s structure and causing serious issues. This will ensure that the roof stays waterproof and provides protection for your business for decades.