“The best roofs aren’t the most expensive—they’re the ones built to last.”

At Westbank Roofing, we’ve been answering this question for over 50 years. The truth is, roof lifespan isn’t one-size-fits-all. It depends on the materials, the quality of installation, and how well you keep up with maintenance—especially here in Southeast Louisiana where the weather can go from sunny to severe overnight.

So, how long does a roof last? Let’s break it down.

Roof Lifespan by Material

The material you choose plays a major role in how long your roof will stand strong. Here’s what you can expect:

Asphalt Shingles

  1. Fiberglass Asphalt Shingles: 20 to 30 years

  2. Architectural Shingles: Up to 50 years with proper care

  3. Affordable, widely used, but may require more maintenance in high-heat or storm-prone areas.

Metal Roofing

  1. Standing Seam Metal Roofs: 40 to 70 years

  2. Known for durability, energy efficiency, and resistance to severe weather. Great for Louisiana’s climate swings.

Modified Bitumen and Flat Roof Membranes

  1. Modified Bitumen Systems: 15 to 25 years

  2. TPO or EPDM Membranes: 20 to 30 years

  3. Ideal for flat roofs, but installation quality makes or breaks their lifespan.

Wood Shingles and Shakes

  1. Lifespan: 20 to 40 years

  2. Beautiful but require more maintenance—especially in humid areas like New Orleans.

Clay or Concrete Tile

  1. Lifespan: 50 to 100 years

  2. Higher upfront cost but designed to last generations with proper care.

Slate Roofing

  1. Lifespan: 75 to 200 years

  2. One of the longest-lasting roofing materials—but heavy and requires expert installation.

Climate Matters More Than You Think

Louisiana homeowners, take note—heat, humidity, hurricanes, and heavy rainfall can shorten your roof’s lifespan, no matter how tough the material.

  1. High winds can lift shingles.

  2. Constant moisture leads to rot and algae growth.

  3. UV rays dry out materials and cause cracks.

Regular roof inspections and proactive maintenance are the best defense. Westbank Roofing offers a Roof Maintenance Program designed to catch small issues before they become expensive problems.

Watch for These Signs of Roof Failure

Wondering if your roof is nearing the end of its life? Here’s what to keep an eye on:

  1. Missing, cracked, or curling shingles

  2. Leaks or water stains on ceilings and walls

  3. Sagging rooflines

  4. Visible rust or corrosion on metal components

  5. Moss or algae growth on shaded areas

  6. Granules collecting in gutters (especially for shingle roofs)

  7. Rising energy bills (often caused by poor roof insulation)

Noticing any of these issues? Schedule a roof inspection with our experts today. We provide honest recommendations—whether it’s time for a repair or a full replacement.

Can Maintenance Extend Your Roof Lifespan?

Absolutely. Skipping maintenance is one of the fastest ways to shorten your roof’s life.

That’s why we created the Storm Watch Program, a maintenance plan specifically for Louisiana homes. After major storms, we automatically send a professional to inspect your roof for hidden damage—no stress, no last-minute calls.

Final Thoughts, Straight from the Experts

So, how long does a roof last? With the right materials, expert installation, and routine care, your roof can last decades. But ignoring early warning signs is the fastest way to face costly issues down the road.

At Westbank Roofing, we’ve helped homeowners across New Orleans, Harvey, Belle Chasse, and Southeast Louisiana protect their homes since 1969. Our licensed and insured team is committed to craftsmanship that stands the test of time.

Need advice on your next roofing project? Not sure if it’s time for a replacement? Contact us or email [email protected]. Let’s talk about how we can help.

Get your free estimate today or call us directly at 504-340-4977. Westbank Roofing—your trusted New Orleans roofing company since 1969.