On average, a flat roof replacement will cost $8,625 in the U.S. in 2022. Typical costs will range from $2,250-$15,000 depending on size of the project. Building a flat roof will cost an average of $1.50-$10.00 per square foot. Prices will vary based on location, size, necessary materials and difficulty of installation.
Average Roof Replacement Costs
Here is a look at average roof replacement costs based on material:
- Built Up Roofing: $2.50-$5.00 per sq ft.
- Asphalt Roll Roofing: $1.50-$2.50 per sq ft.
- Single Ply Rubber/Plastic Roofing: $3.00-$4.00 per sq ft.
- Spray-On Roofing: $1.50-$6.00 per sq ft.
- Standing Seam Roofing: $5.00-$10.00 per sq ft.
Types Of Flat Roofing Systems
Flat roofing systems continue to gain popularity, especially in places like the surrounding New York areas. A flat roofing system is actually not flat at all. It contains a 1/8-inch slope, which helps the drainage of rain and snow. Flat roofs are safer and easier to access for installations.
Choose the type of flat roofing system that best fits your home. Consider your home’s shape, your budget and the surrounding climate. Below are details about the most common types of flat roofing systems.
Built Up Roofing
Built-up roofing (BUR) is a layered roofing system that combines roofing felt piles, waterproof material and hot tar (bitumen). The installation of this roof type can be messy, but the benefits make it a worthwhile investment. It is affordable, fire resistant and lasts up to 30 years.
Asphalt Roll Roofing
Asphalt roll roofing is one of the oldest and most affordable roofing types on the market today. This roofing is essentially one flat layer of asphalt shingles. Comprised of asphalt or fiberglass felt layers, this roofing system has a typical lifespan of ten years.
Single Ply Roofing
This roofing system uses a single layer of material. Single ply roofs can also last up to 30 years, while also being manufactured from various materials. Some of the most common materials are EPDM (ethylene propylene diene monomer, which is a type of rubber), PVC (polyvinyl chloride, a plastic) and thermoplastic polyolefin (TPO, which is a rubber used for protection). Specialized bitumen is commonly used as a wear surface within this roofing system.
Sprayed Polyurethane Foam Roofing
Sprayed polyurethane foam (SPF) will be sprayed on as a liquid atop the existing roofing system. With this roof, there is no need to remove the already existing system before installation. Once the foam dries, it is then treated with a protective coat for extra safety. This roofing is lightweight, flexible and a great insulator. Protective coating should be added every 10-15 years, with an average roofing lifespan of 30 years.
Flat Metal Roofing
Flat metal roofs are comprised of interlocking panels of aluminum, steel, cooper, iron and other various metal materials. Commonly referred to as standing seam roofing, flat metal is very lightweight yet durable. These roofs can last up to 50 years.
George & Alex Roofing and Waterproofing in New York
At George & Alex Roofing and Waterproofing, we know choosing a Roofing Contractor in the New York Area is a tough job. We are here to help make it easier! Locally owned and operated, George & Alex Roofing and Waterproofing has been providing roof installation and roof repairs throughout the surrounding New York areas since 1995. With each new roofing project, we strive to provide professional, timely service at a fair price. Contact George & Alex Roofing and Waterproofing right here!