A modified bitumen roofing system is a pre-assembled form of a built-up roof. It is primarily comprised of multiple layers of alternating rubber or plastic and felt. They are made into either one, two, or three-ply membranes that form a watertight seal to protect your commercial roof from wind and water damage. The modified bitumen roofing system has been around since the early 70’s and has proven to be one of the most effective ways to reinforce a traditional built-up roofing system when additional roof coatings aren’t an option.
For new roof construction modified bitumen is a great choice to use instead of a regular asphalt built-up system in that the material is stronger and flexible enough to protect your commercial property during temperature fluctuations. Another benefit of this type of roof covering is its self-adhering base layer with the peel-and-stick version. Most commercial contractors won’t need to apply a layer of adhesive as this factory-made covering will adhere to most clean roof surfaces with minimal effort. The less costly modified bitumen material is known as torch-down and a professional roofing contractor will have to use a propane torch to lightly melt the material so that it affixes itself to the roof as it cools.
Features of Modified Bitumen Roofing Systems
- Quick and easy installation by a professional roofing contractor
- Extremely tough and durable
- Quick and low-cost repairs
- Comprised of flexible material to reduce shrinkage and expansion
Installation of Modified Bitumen Roofing Materials
When installing modified bitumen, the roofing contractor will clean your roof’s surface of debris and may even power wash the entire area to ensure a perfect seal. After the initial cleaning has been completed, the contractor will then install roofing felt over the decking with a layer of primer to further enhance the hold of the new surface.
Modified bitumen comes in rolls for easy installation. The roofer will bring these rolls of roofing materials up to the roof and will make several parallel passes over the roof until the entire surface has been covered. Each strip of material will have at least half an inch of overhang. After everything is measured out, the strips of modified bitumen are rolled back up and are torched to the roof as they are unrolled again. This process is repeated throughout the rest of the low-slope or flat roof with a bit of overlap from strip to strip.
About Our Modified Bitumen Roofing Contractors
No matter what you choose as your preferred roof covering, all of our contractors are licensed, bonded, and insured to handle the entire process. From repairing small cracks and holes in preparation, to the maintenance after the initial application of modified bitumen, the roofing contractors of Roofing Advisors will complete the work on-time and on-budget.
We pride ourselves on our commitment to excellence, offering roofing services to the entire Kansas City metropolitan area. We’ve helped hundreds of commercial real estate owners like yourself get their buildings up to code and protect the structures themselves from further damage due to wind, rain, and other uncontrollable elements. Call today!