Roofing material is made in factories across the United States and around the world. Different materials like asphalt shingles, metal panels, and tiles are created in large plants using machines and skilled workers. Most roofing companies buy their materials from these factories and then install them on homes. The roofing industry is huge, with the market reaching $81.3 billion in 2025, according to IBISWorld. Understanding where these materials come from helps you know what you are getting for your roof.
Where Are Asphalt Shingles Made?
Asphalt shingles are the most common roofing material in America. According to industry data, asphalt shingles account for roughly 75% of all roofing in North American homes. These shingles are made in large factories that mix asphalt, fiberglass, and minerals together.
Most asphalt shingles are made with fiberglass inside. Big roofing companies operate plants across the U.S. that produce millions of shingles every year. The factories use machines to cut, coat, and bundle the shingles for shipping to roofers and stores.
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Where Are Metal Roofs Made?
Metal roofing is growing fast. According to the Metal Roofing Alliance, metal roofing holds 17% market share in residential roofing. Metal roof materials come from steel and aluminum mills that process raw metal into panels and sheets.
Steel panels are made at mills that heat, roll, and cut the metal. Aluminum shingles come from similar plants. Many metal roofing products are made in the United States, but some come from Canada and other countries. The factories then ship these panels to local roofers who install them on homes.
What About Tile and Specialty Materials?
Clay and concrete tiles are made in different factories. These materials take longer to make because they must be shaped, dried, and fired in large ovens. Some tile is made in the U.S., but much of it comes from overseas.
Specialty materials like slate, copper, and green roof systems are also made in separate facilities. According to industry data, clay tiles and concrete tiles can last 100+ years, making them worth the extra cost and production time. The manufacturing process for these materials is more complex than asphalt or metal.
How Big Is the Roofing Supply Industry?
| Material Type | Market Share | Main Use |
|---|---|---|
| Asphalt Shingles | ~75% | Residential homes |
| Metal Roofing | 17% | Residential and commercial |
| Tiles and Slate | 5% | Premium homes |
| Other Materials | 3% | Green roofs, rubber |
Material costs have risen since 2020. According to Cladco, roofing material costs are up 35% since 2020. This means factories are charging more for materials, and roofers pass those costs to homeowners. The average roof replacement now costs between $9,526 and $25,840, according to RubyHome and This Old House data.
Most roofing materials are made in big factories using machines and workers. The U.S. roofing market is dominated by asphalt shingles, but metal and specialty materials are growing. When you hire a roofer, they order materials from these manufacturers and install them on your home. Knowing where materials come from helps you understand the quality and cost of your new roof.
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