There are several types of industrial and commercial roofing materials. In this 5 part series we cover each of the following: EPDM, thermoplastic, built-up , modified bitumen, and metal . Each material has its own advantages and disadvantages and any of them can be the right choice depending on your building, climate and budget. In this installment of roofing material for commercial buildings, we look at modified bitumen.
What is Modified Bitumen Roofing?
Modified bitumen roofing was first developed in Europe in the 1960s and was introduced to the United States in 1972. The unique design focused on incorporating polymer chemistry into the benefits of a modern built up roof. Modified bitumen is one of the more popular commercial roofing systems in North America. It is designed for buildings with low-slope or essentially, flat roof structures.
Advantages of Modified Bitumen Roofing
There are several advantages to modified bitumen roofing, such as:
- Combines the durability of a built-up roof with the elasticity of a single-ply
- Eliminates the gravel surfacing
- Easy inspection
- Easy to find and repair leaks
- Lower maintenance cost because granule surface doesn’t require coating
- Weather resistant
These advantages are what make modified bitumen roofing very popular in built up roofing situations.
Disadvantages of Modified Bitumen Roofing
The modified bitumen roofing system is extremely popular and for good reason. While there are many benefits, these roofs need proper installation, or the following can occur:
- Poor installation drastically reduces durability (find an expert)
- Torch applied installation includes danger element of fire
- Installation in low temperatures can cause material to be less weather resistant
Although there are some negative aspects of the modified bitumen roofing system which you should be aware of, the general opinion is that these are great roofs for the right building.
The Installation of Modified Bitumen Roofing
Your contractor can install modified bitumen roofing in four different ways. Each method may be the correct choice under the right circumstances.
- Hot applied
- Cold applied
- Torch applied
- Self-applied
There are several reasons you may choose one of the methods. The method you choose depends on:
- Location
- Roof access
- Style and use of facility
- Insulation type
- Climate
Make sure your roofer is an expert in modified bitumen and is qualified to make the correct choice.
When you are deciding what material to use for your commercial building, you should consult with an experienced, licensed roofing contractor. All Weather Tite of Port Charlotte, Florida, is a GAF Master Elite® certified roofing contractor. This guarantees that we are fully licensed, fully insured, have a proven reputation for quality, and are committed to ongoing professional training. Check out the commercial roofing section of our website. You can request a free estimate and we will be happy to explain your options regarding recoating your roof. Our expert services cover all aspects of roofing from new roofs to minor repairs.