How Long Does a Modified Bitumen Roof Last?
Modified bitumen roofing is a very common commercial roofing type. These commercial roofs can last anywhere from ten to fifteen years. Modified bitumen roofing is also known as “torch-down” roofing. This is because modified bitumen roofing is applied using a blow torch. Understandably, only experienced roofers using safe roofing procedures should apply a modified bitumen roof. Modified bitumen is also a preferred choice for flashing around HVAC and vents.
How Much Does a Modified Bitumen Roof Cost?
On average, bitumen roofs can cost approximately $1.50 to $3.00 per square foot installed. This roughly translates to a cost of $2,250 to $4,500 for a roof that is 1,500 square feet in size.
Can Modified Bitumen Roofing Be Repaired?
Is your modified bitumen roof in need of repair? If so, you do have options. A modified bitumen coating is one of the most popular solutions for protecting a flat or low-slope roof. It is important for commercial property owners to be aware that a proper roof repair will reveal the extent of the current roof damage and how extensive the repairs will need to be to manage it. The membrane will need to be properly cleaned. Power-washing is advised against as moisture has the potential to get trapped beneath the membrane. Any signs of weathering will need to be noted. Depending on how old the coating is, the asphalt layer may have become very disturbed. In such cases, a thick coating will need to be applied to fill any gaps. Next, the roof membrane will need to be patched appropriately by an insured roofing contractor.
What is the Minimum Roof Slope Required for Modified Bitumen Roofing?
In order for built-up roofs to be installed, there must be a minimum of one-fourth inch per twelve-inch slope. Modified bitumen roof coverings are one or more layers of polymer-modified asphalt sheets. Modified bitumen can either be applied fully adhered or it can also be mechanically sheathed.
What is the Best Type of Roof for a Flat Roof?
According to a national website, PVC roofing is a naturally preferred choice for flat roof material. This is because while PVC roofing is slightly more expensive than other single-ply roof types, it offers many advantages. To begin with, the reinforced membrane makes PVC roofs resistant to impact damage. The reinforced membrane also makes PVC roofs resistant to cracking. This makes PVC roofs last longer than other single-ply roofs. In fact, PVC roofing is widely recommended due to the fact that it is low maintenance with a long lifespan.
What is Modified Bitumen Roof
Modified bitumen is a kind of asphalt product that can be applied in a variety of ways to the roof in both hot and cold temperatures. This is important because it makes modified bitumen roofs available for northern and southern climates. These types of roofs have some advantages over other single-ply roofs due to the fact that they are a modern upgrade to traditional built-up roofing.
What is App Modified Bitumen Roofing
APP stands for atactic polypropylene, which is a plastic that, when it was used over asphalt, gives it the name ‘plastic asphalt.’ APP is a modifier that, like SBS, is used for modified bitumen roofing.
How is Modified Bitumen Roofing Installed
It is fascinating to learn how modified bitumen roofing is installed. Please review the following bullet points to learn more about how modified bitumen roofing is installed.
- Clean and insulate the roof by removing all obstructions and sweeping the roof clean.
- Roofing felt must next be applied.
- Drip-edge flashings are next attached.
- Apply the primer.
- Roll out the roofing material.
- Cut the roofing to the length and parameters of the roof.
- Adjust the roofing as necessary.
- Partially reroll the roofing and light the torch.
- Using a torch, apply and cement the roofing material to the roof.
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Modified Bitumen Roof with Gravel
Tar and gravel roofs are installed on many low slope and flat roof buildings. Modified bitumen roofs are a modern-day upgrade from built-up roofs. In fact, many contractors and builders use gravel on flat roofing for two primary reasons. The first reason is that there needs to be a layer of protection for the underlying layers of roofing materials. The second reason is to weigh down the roofing material. This is also the case with single-ply roofs.
Our company can help you with your modified bitumen roof. Our staff at Expert Roofing are ready to take your phone call at (877) 766-3341. Discover more about what we can do for your modified bitumen roof in Crystal Lake and Schaumburg, IL!