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BUILDING STRONG RELATIONSHIPS
BUILDING STRONG RELATIONSHIPS
BUILDING STRONG RELATIONSHIPS
Built-Up & Modified Bitumen Roof Systems
Built Up (BUR)
Roof Systems
A Classic But Effective Approach
To A Roofing Solution
WHAT IS A BUR ROOF SYSTEM?
Built up roof membranes, referred to by the acronym BUR, have been in use in the U.S. for more than 100 years. These roof systems are commonly referred to as "tar and gravel" roofs. BUR systems generally are composed of alternating layers of bitumen and reinforcing fabrics that create a finished membrane. Built-up membrane installation for commercial roofing systems can either be hot applied or cold applied using modified asphalt.
TYPES OF BUR ROOF SYSTEMS
BUR roof systems come in two basic types, asphalt and coal tar, and three basic components: the waterproofing component, the reinforcing component, and the surfacing component which is used to protect the other components from the elements.
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EXAMPLES OF BUR ROOF SYSTEMS
Modified Bitumen (MB) Roof Systems
A Heavyweight Solution That
Can Take The Punch
WHAT IS A MODIFIED BITUMEN SYSTEM?
Polymer-modified roof membranes are composed of reinforcing fabrics that serve as carriers for the hot polymer-modified bitumen as it is manufactured into a roll material. MB roof system membranes are composed of multiple layers, much like BUR membranes. MB roof systems typically are installed as a two-ply system and almost always are fully adhered.
TYPES OF MB ROOF SYSTEMS
The two general types of polymer modified bitumen membrane systems are Atactic Polypropylene (APP) and styrene butadiene styrene (SBS). Each of these polymer-modified membranes differ in their chemical characteristics. Both types are heavyweight membranes reinforced with either polyester, fiberglass or a combination of both.
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EXAMPLES OF MB ROOF SYSTEMS
LEARN MORE ABOUT OTHER ROOF SYSTEMS WE PROVIDE:
Roof System
Inspection Services
Are You Unsure of What Roof System You Have?
More often than not, knowing which roof system you have comes down to having one of our service professionals conduct a comprehensive inspection of your property and current roof system. By the end of our inspection, you will receive a full report detailing every facet of your current roof system, suggestions for improvement, costs associated with repairs, and what an ongoing property maintenance plan may look like.
Need An Inspection Service? Submit a ticket with our online form and a service professional will get back to you within 24 hours. You can also call us at 515.244.2711 for a quicker response.