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Best Roofing Material for a Flat Roof

By on September 9, 2019

Even though it is designed to provide the house a primary line of defense against temperature and weather changes, roofs deserve equal attention when it comes in purchasing an appropriate material that is highly suitable for a wide variety of home.

Have you ever wondered as to why it is quite common for many commercial establishments nowadays to host flat roofs? There are several benefits that make flat roofs an ideal choice for most businesses. First, this type of roofing has a relatively affordable price compared to the others. It can also maximize space by creating an extra storing area for some big equipment, and the rooftop can be a good place for meetings and developing gardens.

In case your old roof is nearing its end days, it might finally be the right time for you to find a special roofing material for your flat roof.

  1. Modified Bitumen Roofing

Developed as early as 1960s, modified bitumen roofing is originally designed to be an alternative choice to built-up roofing or BUR. Though based on the technology applied to BUR, this roofing material became distinct by introducing polymer reinforced roof wear layers or cap sheets.

One characteristic of bitumen is its ability to be flexible in terms of the installation process. Below are examples of its installation methods:

  • Torch applied
  • Cold applied
  • Self-adhered
  • Hot applied

Moreover, modified bitumen roofing is also excellent in repelling lower temperatures

  1. Ethylene Propylene Diene Monomer (EPDM)

EPDM is often referred to as rubber roofing. Considered by many as the most common and sought after roofing material for flat roof owners, EPDM doesn’t require reinforcement in the roof decks to in order to do its thing. Just like modified bitumen roofing, EDPM can be installed in different ways as well. It can be through adhesives or fasteners. And since EPDM has a lighter weight, household owners don’t have to reinforce their roof decks anymore.

  1. Thermoplastic Polyolefin (TPO)

Another popular roofing material that can be considered as a hybrid between PVC and EPDM membranes. TPO roofs are composed of mainly rubber and additional filler ingredients that provide adequate durability which is a prerequisite quality for flat roofs. This roofing material is also known to be a practical and energy-efficient choice.

  1. Polyvinyl Chloride (PVC)

If you’re looking for the strongest roofing in the synthetic membrane class, PVC is the right material for you. PVC is more than capable of bearing any equipment in roofing possessing an average of 350 pounds per inch, which greatly exceeds the US requirement of 200 PPI for all roofing materials.

  1. Spray Polyurethane (SPF)

As the name suggests, SPF can be installed on an existing flat roofing system by spraying the material all over the roof’s surface. Once applied, SPC expands to a form-like structure until it becomes solidified. SPF can save you a significant amount of your monthly energy bill as it creates more heat during winter months while it can also deflect heat in the hot days of summer.



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