Flat Roof Problems - Pros and Cons

Flat Roof Problems – Pros and Cons

Flat Roof Problems - Picture of a Flat Roof

Flat Roof Problems – Picture of a Flat Roof

Flat Roof Problems – Pros and Cons

Flat roofs are often frowned upon due to the fact that they are troublesome and hard to maintain. They leak, they crack, they bubble—And they need to be inspected frequently to make sure that they are functioning properly.  On the other hand, flat roofs do have their benefits. For one, they are significantly cheaper to install than sloped roofs. They are available in various styles and materials such as; single-ply, built up, and sprayed polyurethane foam designs.  

What we found from years of experience, is that 90% of the problems that come from flat roofs are caused by either improper application of the roofing membrane. The flat roof problems that happen over time, 9 times out of ten are due to either that, or poor maintenance over time. When properly installed and maintenanced, a flat roof will last 20 to 30 years and give you the minimum amount of issues. In fact, one of the only drawbacks with a properly installed flat roof, shuld be the fact that a pitched roof may be more affordable in the long run. And that’s because with proper maintenance, a flat roof cost more to repair and maintain over time than sloped roofs.

If you have a minute, we want to go over some common pros and cons associated with owning a flat roof with you. Hopefully, this will help you make an educated decision if you are ever faced with that option of buying one.

Residential Roofing Services Chaska MN - Mn Tarring a Roof

Residential Roofing Services Chaska MN – Mn Tarring a Roof

Flat Roof Problems – Pros and Cons

INTERESTING FACT: Did you know that flat roofs weren’t actually flat? It’s true… Flat roofs require a minimum slope of 124 to allow for deflection and normal building tolerances. In this next section, we will go over some of the reasons that flat roofs are so popular.

 Flat Roof Problems – Pros

  • Flat roofs are economical to build (about $0.80 a foot on average)
  • Flat roofs reduce energy cost by reducing the overall building volume
  • Flat roofs can be used like a patio, positioning of services, or as a green roof
  • Flat roofs generally last 20 to 30 years on average.
  • Flat roofs allow homeowners to use the space to make solar panels left less noxious or get their AC off the ground
  • Flat roofs make cleaning gutters and installing or maintenancing a cinch

 Flat Roof Problems – Cons

In this section, we will highlight some common flat roof problems:

  •  Flat roofs are known for alligatoring – (This happens when the asphalt used to construct your roof ages and loses its elasticity the crack and bubble)
  •  Flat roofs are prone to  moisture damage due to puddling water
  •  Flat roofs are prone to mold and fungus grow the same reason
  • Flat roofs get buckles in the membrane – (This is generally caused by the house shifting or settling, and when this happens, the life of your roof is over.)
  • Flat roof crack – (This is caused by them being flat instead of sloped, mostly from pressure build-up.
  • Because flat roofs expand and contract, they’re known for flashing problems – (When the flashing pulls away from the edges of the building)
Flat Roof Problems – Final THoughts

The reason we decided to share this blog, is because we feel that it is critical for residents and business owners to understand exactly what they are getting into ahead of time.  You have to know all of the factors involved ahead of time to be able to make an educated decision when the time comes to-roof your home.  Your assets as a homeowner or business owner are priceless. Your family…  Beyond priceless.  If you are faced with the decision of whether or not to get a flat roof now or in the near future, and you’re still unsure after reading this blog about flat roof problems, just use this contact form, or call us at (651) 273-2682 and we will be happy to come out and give you a free roof inspection and estimate! We have friendly staff on hand 24 hours a day 7 days a week to take your call, and we will be more than happy to give you our expert opinion on what roof is best for your home or buiilding.


If you know someone that this information will help out, please share this post! 

Take care!

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Sellers Roofing Company serves the complete roofing needs of customers throughout New Brighton, Roseville and all of Minnesota. We’re available for inspections, repairs, roofing installations and insurance claims, with the experience to work on roofs of all sizes and types. We provide upfront estimates, quality workmanship and great guarantees! We’re happy to work with any insurance company to help you file your claim and always work hard to expedite work so you have a safe, secure roof over your head.

Contact us today by calling (651)703-2336 or fill out the form on our website today.

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Phone number :
1100 County Rd D West No.100
New Brighton MN 55112

Serving all of Minnesota, Including St. Paul, New Brighton, Chaska, Shoreview, and Roseville, MN

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