Flat Roof Advantages and Disadvantages

One of the most controversial roof types for homeowners and commercial buildings is the flat roof. It is often used on large buildings and some extensions. The flat roof does come with its own set of needs and challenges though and in this post, we are discussing the advantages and disadvantages of having a flat room. If you are considering this type of roof this post is for you.

Advantages of a Flat Roof

There are a number of advantages to choosing a flat roof and we have these listed below.

  • Cost: This is by far the biggest advantage. The building, installation, and materials for a flat roof often cost far less than a sloped roof. The types of materials used make it affordable both during the installation and in the maintenance and upkeep further down the line.
  • Usage: Another advantage to having a flat roof is the fact that the space can be used. Solar panels can be installed and they aren’t visible from the ground. You can add a rooftop garden or communal space if it’s a commercial building. The possibilities for what you can do are endless and this is one of the great benefits to having a flat roof installed.
  • Attics: Another benefit to the flat roof is that you have more interior space too. Finished attics don’t have the sloped walls that traditional pitched roofs create. This makes a flat roof a great idea for homes where more attic space is needed.
  • Accessibility: Flat roofs are generally more accessible than sloped roofs. This means that cleaning your gutters, roof repairs, and installing solar panels or satellite dishes is easier and less expensive. 

Disadvantages of a Flat Roof

Now that we’ve covered the advantages, it is time to look at the disadvantages of choosing a flat roof.

  • Drainage: The biggest disadvantage of having a flat roof is drainage. Flat roofs do drain but not nearly as well as pitched roofs. Water can have a tendency to puddle or remain on the roof and this can lead to damage to the roofing material and eventual leaks if regular maintenance is not carried out.
  • Roofing Materials: The vast majority of flat roofs use a type of rolled roofing such as rubber or bitumen. These are relatively inexpensive and easy to install, but they do come with a limited lifespan of between 10 and 15 years. Some materials like PVC and polycarbonate are available and can last longer, but these do cost more. 

Flat Roof Considerations

If you are thinking about installing a flat roof you now know the advantages and disadvantages and these are important and will help you when making your decision. Our website also contains a lot more information and you can contact our flat roofing contractors for more information and advice as well as further details on the roofing materials used and more. The flat roofing materials that our contractors use are certified and designed to meet the highest standards of quality and durability.

 

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