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BUR: Built-Up and Mod-Bit: Modified Bitumen

What are BUR and Mod-Bit?

Built-Up roof membranes (BUR) and Modified Bitumen (Mod-Bit) are generally composed of alternating layers of bitumen and reinforcing fabrics that create a finished membrane.


Benefits of BUR and Mod-Bit
Time-tested defense.

BUR roof systems have been utilized for over 100 years in the roofing industry. These roof systems are constructed with layers of felt and bitumen that provide a redundancy of durable protection. They are then covered with gravel, a mineral sheet cap or other weather resistant coatings. Additionally, both BUR and Mod-Bit roof systems can be installed using an array of coatings and colors.


Why choose CentiMark as your BUR or Mod-Bit contractor?

Workmanship is more important to a good roof system than the materials themselves. Our mission is to keep our customers' buildings watertight, protect their properties and employees, all in concert with regular business operations. From inspection and installation to repairs and maintenance, we focus on workmanship and attention to detail, providing you a peace of mind with our Single Source Warranty that is backed by a multi-million dollar provision. Our dedicated service and production crews attend mandatory safety and installation training on a regular basis. This means your projects are OSHA compliant and completed by experienced, specialized experts every time.


Fast Fact: Bird droppings are one of the major causes of flat roof damage due to their acidity. If birds nest on your flat roof, make sure to get it cleaned and take preventative measures to make your roof less attractive to birds!

Interested in a BUR or Mod-Bit roof system for your building? Contact us for your quote today!

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