What Modified Bitumen Roofing Is
Before deciding whether modified bitumen fits your building, it helps to understand what it is and what makes it work. Mod bit is a distinct flat roof system with characteristics worth knowing. Here is what modified bitumen roofing is on a Albion commercial building.
An Asphalt-Based Membrane
Modified bitumen is fundamentally an asphalt based roofing membrane, built on the same proven asphalt roofing tradition but enhanced with modern modifiers. The asphalt provides the waterproofing, while the modifiers added to it give the membrane improved properties. For a Albion building, understanding that mod bit is asphalt based explains its connection to the long history of asphalt roofing on commercial buildings. The asphalt is the waterproofing foundation of the system. This asphalt base is the starting point for understanding modified bitumen, since it is what makes the membrane waterproof and connects it to the proven performance of asphalt roofing, while the modifiers that are added are what distinguish modified bitumen from older asphalt systems on the building.
Reinforced for Strength
Modified bitumen is reinforced for strength, with reinforcing layers built into the membrane that add tensile strength and durability. These reinforcing layers, often made of polyester or fiberglass, give the membrane resistance to tearing and the strength to withstand the stresses a roof faces. For a Albion building, this reinforcement is part of what makes mod bit durable, since the reinforcing layers strengthen the membrane against damage. The reinforcement is built into the sheets that make up the roof. This reinforcement for strength is a key feature of modified bitumen, since the reinforcing layers within the membrane give it the durability and tear resistance that make it a dependable flat roof system, distinguishing it from unreinforced asphalt roofing on a commercial building.
The Modifiers That Add Flexibility
The modifiers in modified bitumen are what give it its name and its improved flexibility, with polymers added to the asphalt that make the membrane more flexible and resilient than plain asphalt. These modifiers help the membrane handle the expansion, contraction, and movement that a roof experiences without cracking. For a Albion building, the modifiers are central to mod bit, since they give the membrane the flexibility to withstand temperature changes and movement. The flexibility helps the roof last. These modifiers that add flexibility are what define modified bitumen, since the polymers added to the asphalt are what give the membrane its improved flexibility and resilience, allowing it to handle the movement and temperature swings that would crack a less flexible roofing material on the building.
Applied in Rolled Sheets
Modified bitumen is applied in rolled sheets, with the membrane coming in rolls that are unrolled and adhered to the roof, building up the roofing system sheet by sheet. The rolled application allows the membrane to cover the roof in manageable sections that are joined together. For a Albion building, understanding the rolled sheet application explains how mod bit goes on, since the membrane is installed in rolls rather than as a single piece or a sprayed coating. The sheets are adhered using one of several methods. This application in rolled sheets is characteristic of modified bitumen, since the membrane is installed in rolls that are unrolled and adhered to build up the roof, a method that allows for a strong, layered membrane to be applied across the flat roof of a commercial building.
A Multi-Ply System
Modified bitumen is typically a multi ply system, with multiple layers building up the roof for added strength and redundancy. A base sheet and one or more cap sheets are often combined to create a thicker, more robust membrane than a single layer would provide. For a Albion building, the multi ply construction is part of what makes mod bit durable, since the multiple layers add strength and provide redundancy if one layer is compromised. The layers work together as a system. This multi ply construction is a key characteristic of modified bitumen, since building up the roof in multiple layers gives it the strength and redundancy that make it dependable, a feature inherited from the built up roofing tradition that modified bitumen evolved from on the commercial building.
A Proven Flat-Roof System
Modified bitumen is a proven flat roof system, with a long track record of protecting commercial buildings that gives it credibility. Decades of use have demonstrated its durability and performance on flat and low slope roofs, making it a system contractors and building owners trust. For a Albion building, this proven track record is part of mod bit's appeal, since a system with decades of demonstrated performance carries less uncertainty than a newer one. The history backs up its reliability. This proven flat roof status is part of what makes modified bitumen a dependable choice, since its long track record on commercial buildings demonstrates the durability and performance that make it a system worth considering for a flat or low slope roof on a commercial building.
Understanding Modified Bitumen
Modified bitumen is an asphalt based membrane, reinforced for strength, with modifiers that add flexibility, applied in rolled sheets as a multi ply system. This proven flat roof system combines the durability of asphalt roofing with modern reinforcement, making it a dependable choice for a Albion commercial building.
Planning ahead pays off with modified bitumen roofing, since the decision between repairing an existing roof and installing a new one is better made deliberately than under the pressure of a failing roof. A building owner who understands the condition of their mod bit roof can plan, budget, and choose the timing rather than reacting to an emergency. For a Albion building, this foresight turns a major roofing decision into a managed one. Albion Commercial Roofing helps owners understand where their mod bit roof stands through honest assessment, so the choice between repair and replacement, and the selection of the right system and application method if a new roof is needed, can be made deliberately, protecting the building before an aging roof becomes a leaking one on the commercial property.
Learn if Mod-Bit Fits Your Roof
Considering modified bitumen for your flat roof? Call Albion Commercial Roofing at (765) 676-3491 for a free inspection of your Albion commercial building. We handle modified bitumen repair and installation, and we will help you understand whether mod bit is the right system for your flat or low slope roof.