Lead is used in roofing for several important reasons. Lead flashing and lead coatings help protect your roof from water leaks and damage. Lead also lasts a very long time, which saves homeowners money over many years. However, lead roofing is less common today than it was in the past. Most homes now use safer, cheaper materials like asphalt shingles instead.
What Does Lead Do in Roofing?
Lead flashing is metal that sits in the joints and valleys of your roof. It stops water from running into your home during rain and storms. Lead is waterproof and does not rust or break down easily.
Lead also protects areas where the roof meets chimneys, vents, and walls. These spots are the most likely places for leaks to happen. Lead keeps water out and your home dry inside.
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Why Do Roofers Choose Lead?
Lead lasts an extremely long time. According to roofing data, most roofs last between 25 and 50 years, but lead roofing can last much longer. This means fewer repairs and replacements over time.
Lead is also easy to bend and shape. Roofers can fit it around curved edges and odd angles. It stays flexible in hot and cold weather without cracking.
What Materials Are Used Today Instead?
Today, asphalt shingles are the most popular roofing choice. According to industry data, asphalt shingles account for approximately 73% of U.S. residential roofing. Metal roofing holds about 17% market share in residential roofing. Both materials are safer and cheaper than lead.
Copper and aluminum are also common alternatives. These metals do not have the health risks that lead does. According to the U.S. Bureau of Labor Statistics, the average roof replacement cost is around $11,500, with most asphalt shingle replacements costing between $5,000 and $10,000.
| Roofing Material | Market Share | Lifespan |
|---|---|---|
| Asphalt Shingles | 73% | 20-30 Years |
| Metal Roofing | 17% | 40-80 Years |
| Tile/Slate | 5% | 50-150 Years |
| Other | 5% | Varies |
Is Lead Roofing Still Safe?
Lead exposure is a serious health risk. Old lead flashing can break down over time and release harmful dust. Children and pregnant women are especially at risk.
If your home has lead flashing, it is important to keep it in good condition. Do not disturb it or remove it yourself. Hire a professional roofer to handle any repairs. According to industry data, there are approximately 136,740 roofers employed in the U.S. as of 2024, many of whom are trained to work safely with older materials.
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Contact a qualified roofing services for expert guidance on roof repair, replacement, or installation.