Everything You Need to Know About Flat Roofs in Arizona

From benefits to cost, we’re giving you the rundown on owning a flat roof in the Copper state

Are you planning to build a new house or business? If you answered yes, you may be wondering what style of roof should go on your new property. The flat roof has been around for quite some time – in fact, almost all of the first buildings constructed had flat roofs. These types of roofs are energy-efficient alternatives to the traditional sloped roofs seen mostly. Flat roofs are generally versatile, more energy-efficient than sloped roofs and easier to maintain. New home builders usually enjoy the lower cost of long-term ownership. Let’s look at a few reasons why Arizona residents are going with a flat roof.


The last thing any homeowner wants is for their new roof to give out on them. On average, you can expect a flat roof on your structure to last for 25 years, depending on the materials used. For example, a multi-layer built-up roof consisting of waterproof material can last for 15 to 20 years. Whereas a roof consisting of three to five layers of modified bitumen have a slightly shorter average lifespan of 10 to 15 years. A flat metal roof can last almost 35+ years. It takes a lot for a flat roof to be damaged, so throughout their lifespan they will be able to withstand the elements and stay consistently durable.

Energy Efficient

Summertime temperatures in Arizona can get up to 120+ degrees, so it’s important that the roof going over your head is going to keep you cool while keeping your utility bill down. Flat roofs are fantastic for keeping home utility costs manageable, especially in hot climates like our sunny state. While sloped roofs can trap unwanted warm air or allow cooled air to escape, a flat roof means less overhead space for air to stagnate, heating up your home.

Easy Installation

Generally, flat roofing systems take less time to complete. A plain and flat surface means fewer materials and equipment to work with, lessening the process. As a home or business owner, you’ll be satisfied to know that your daily operations won’t get interrupted and temporarily stopped for days due to construction. Pitched roofing systems are notorious for the time and money they take to complete, delaying everyday operations. This type of installation requires more intensive labor and more materials. If you live somewhere hot like Arizona, you’ll want a quick and easy install process exactly what a flat roof offers.

Budget Friendly

A huge and more obvious advantage of owning a flat roof is the cost. Usually materials are cheaper, as they don’t need to have as much of an aesthetically pleasing appearance. With less installation hassle and a shorter process, the labor becomes cheaper. Flat roofs also have fewer complications in repair or damages, which makes for a lower cost over the roof’s lifespan. A pitched roof will cost significantly more for the same surface area covered than a flat roofing system would. For example, a 900-square foot single-ply roof may cost you about $7,000 while a pitched roof costs about $9,000 or more.


Flat roofs provide a cost effective and reliable option for covering buildings with a vast surface area such as large commercial or industrial structures! American Roofing & Waterproofing is your trusted roofing contractor for any flat roofing project. Our team will guide you through every step of the process to ensure the best results.

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