Home » Roof Types » Flat roof for shed
You can often notice backyard sheds in Chicago. They serve as practical storage spaces for tools, seasonal items, and household extras. So, a garden shed is a convenient space to have. However, you must follow building codes for these structures in Illinois, especially for the height.
How to make the most of the shed’s space and stay within Chicago’s 15-foot height regulation? A flat roof may help! Modern durable materials like EPDM or TPO membranes allow flat roofs to withstand the city’s tough weather conditions. A proper drainage and a slight pitch will let them last for years with minimal maintenance. In this article, we will explore whether a flat roof is the right fit for your shed and how to avoid common pitfalls. You will learn more about flat roof benefits and challenges you may face before the investment.
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There are several reasons why flat roofs for sheds are in demand:
Material | Key characteristics | Cost (per sq. ft.), $ | Longevity | Suitability for Chicago’s climate |
EPDM rubber | Durable, flexible, highly weather-resistant, resistant to UV rays and extreme temperatures. | 4−8 | 20-30 years | Excellent for Chicago’s cold winters and hot summers due to its flexibility and weather resistance. |
TPO (thermoplastic polyolefin) | Heat-reflective, energy-efficient, resistant to UV rays, chemicals, and mold. | 5−10 | 15-20 years | Ideal for energy efficiency and heat reflection, making it suitable for both summer heat and winter cold. |
PVC (polyvinyl chloride) | Lightweight, durable, resistant to chemicals, fire, and punctures | 6−12 | 20-30 years | Great for waterproofing and durability, but may require additional insulation for extreme cold. |
Modified bitumen | Excellent waterproofing, flexible, and resistant to extreme weather conditions. | 4−8 | 15-20 years | Perfect for Chicago’s harsh winters and heavy snowfall due to its waterproofing and flexibility. |
Built-up roofing (BUR) | Multiple layers of bitumen and reinforcement for added durability and waterproofing. | 5−10 | 15-20 years | Provides excellent protection against wear and tear, but may require more maintenance in snowy areas. |
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There are several types of flat roofs you can use for sheds. Each style has a distinct look, durability and functionality.
Gable roof. This classic style has two sloping sides that meet at a ridge and form a triangle. Gable roofs are simple, provide good drainage, and can handle heavy snow loads.
Hip roof. A hip roof slopes down on all four sides and creates a pyramid-like shape. It’s sturdy, resistant to high winds, and has a more polished look. It is ideal for areas with severe weather.
Skillion roof. A single, sloping surface gives this roof a modern, minimalist style. Skillion roofs are affordable, easy to build, and a great option for a tight budget.
Gambrel roof. This style is also known as a barn roof. It has two slopes on each side, and the lower slope is steeper than the upper one. It offers enough storage space and is perfect for larger sheds.
Saltbox roof. A variation of the gable roof, the saltbox style features an asymmetrical design with one side of the roof longer than the other. This style is great for sheds that need extra space on one side.
Flat roofs offer many benefits, but the local climate presents unique challenges. Here’s what you need to know:
You may think that roof shed building is simple – you need to nail some boards together and that’s it. However, this is not a DIY process.
The term “flat roof” can be a bit misleading. Such a roof is never ideally level. A slight pitch or slope of about 1/4 inch is still necessary to prevent water from pooling. Also, you must add good drainage to direct the water away from the structure.
The construction process consists of the following steps:
If your shed roof is old or you have spotted problems with drainage, a few upgrades can make a big difference:
Do you want your shed roof to last? Then you must care for it. Inspect your shed roof regularly, pay special attention to the seams, drainage systems, and the surface for any cracks or wear. Don’t forget about seasonal checkups – clean debris before winter and clear all the drains. After winter, do a thorough check for any damage caused by snow or ice.
Homeowners often question what is better – repairs and replacement? Small leaks or cracks can often be fixed with timely repairs. But if your roof has serious damage, frequent leaks, or is old enough, it may be time for a full replacement. Still, regular maintenance can save money and prolong the life of your shed.
If you plan to construct a flat roof for your shed in the Chicago area, we can help. Our experts will handle your project from the start to the end. Here’s what we offer:
You should carefully plan a flat roof for a storage shed. The roof structure must be strong to support the additional weight of the deck, furniture, and people. It’s better to use lightweight materials for the deck and consult a professional roofer for technical details.
Flat roofs are easy to access and inspect compared to sloped roofs. However, you must inspect a flat roof every season to avoid water pooling, debris accumulation, and membrane damage. Regular checkups are a must for this roof design.
Flat roofs are good for most sheds, but think well if your area has heavy snow or your shed has poor drainage. In this case, a pitched roof is better. Assess your local climate, how you will use the shed, and other details before you opt for a flat roof.
Flat roofs can easily pool water. But you can avoid it with proper design and maintenance. Your roof should have a slight pitch (at least 1/4 inch) to get rid of water. Additionally, you should install effective drainage systems to direct water away from the roof.
Flat shed roofs often form leaks from cracks, punctures, or poor sealing. Water pooling and blistering happen because of improper drainage or trapped moisture. Regular inspections and quick repairs help prevent bigger problems.