Flat Roof Types – A Buyer’s Guide

One of the most important elements when constructing a house is the roof. It functions to protect the family members from heat and cold, but the roof can also add aesthetic value to your house. Among a wide range of roof types, flat roof types are one of the most popular. Get to know more about these kinds of roof types in the following article.

What to Know About Flat Roof Types

Flat roofs are mainly used on outbuildings and large commercial buildings. They come with their own challenges and needs, so you need to know the pros and cons of using this type of roof.

The Advantages

One of the biggest advantages of using flat roof types for residence or building is that they come with a relatively affordable price. The flat roofing material that is generally used in the installation is about $80 a foot.

That makes the initial installation of the flat roof, as well as the maintenance, cheaper. The flat roof design is relatively simple, and you can maximize the space available during installation.

Flat roof house

For instance, you can use the space available to place air conditioning units, install solar panels, and design a rooftop garden. This kind of roof is also more accessible than the other types. The design will make it easier for you to repair, clean the gutters, or install things like solar panels.

Flat roof construction types

The Disadvantages

The main downside of using a flat roof for buildings or residences is the lack of drainage. It is not efficient, and the water tends to remain on the roof and puddle there. If the condition is not properly handled, it will cause the roofing material to leak or break down easily.

Besides, there is only a limited option when it comes to discussing roofing material choices. The most common materials used for flat roof systems design are rubber, rolled roofing, TPO, EPDM, and modified bitumen roofing.

Metal Flat Roof

Among the materials commonly used in the flat roof, metal is one of the most popular. This material is particularly well-known for its durability. Besides, metal can survive rainwater, snow, storms, and wind.

The Advantages

The metal flat roof is extremely lightweight. It only runs from 100 to 150 pounds per square on average. Metal roofing is also easy to apply directly on top of other materials. Metal roofing can help you to save energy in the long run.

It is also easy to install since the material has multiple single sections and 12 to 36-inch panels. The material can also reflect the sun’s heat. As a result, the heat during summer can be minimized.

Metal Flat Roof Advantages

The Disadvantages

Besides the benefits that you can get from the metal flat roof, some cons come with it. Metal roofing is commonly more expensive due to the durability offered. Besides, the material is also noisy, especially during the rainy season. However, you can minimize it by using structural barriers.

metal flat roof at rain

When considering flat roofs for types of commercial flat roofing, options such as the built-up roof (BUR) or tar and gravel roof are excellent choices due to their high durability and ability to withstand foot traffic. PVC roofing is another robust option, known for lasting up to 50 years and being highly resistant to chemical exposure, making it suitable for restaurant buildings or any facility that emits oils from the ventilation systems.

For those looking for eco-friendly and durable options, synthetic rubber such as ethylene propylene diene monomer (EPDM), which roofing is a single-ply roofing membrane, offers a resilient and easily maintainable choice. This type of membrane roof is particularly advantageous for structures with sloped roofs and those requiring lower maintenance.

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RoofLast is an experienced author and roofing expert. With years of practical experience in the field authored several informative articles on various aspects of roofing, including installation, maintenance, and repair