How To Tell Commercial Roof Need Replacing?

commercial roof

How To Tell Commercial Roof Need Replacing?

All articles about roofs that you find online, including roof experts, remind you to maintain your commercial roof properly and replace it when it is past its useful life span. They might not be able to tell you about other situations that may require a replacement roof.

You only need two steps to determine if your business roof needs to be replaced if you’re a commercial property owner.

Step 1: Examine From The Outside

First, inspect your roof from outside. These are the items you need to evaluate:

  • For Metal Roofs – check if any rust is building up on your metal roofing. Roofs with overlapping edges are prone to corrosion. The commercial roof can become weaker if it is rusty. This could affect the entire structure. Pay attention to where screws and nails are located. These are the places where water tends to pool and lead to rust.
  • For Tiled Roofs – Tiled roofs can become loose at the ridges. Clay roofs are especially fragile and easily damaged or chipped. To determine the extent of damage, you should inspect all tiles.

Step 2: Examine From The Inside

It is now time to look inside for any other warning signs.

  • Examine Your Roof Board. If you see any visible spots, it could indicate that your roof is damaged. 
  • Examine the Ceiling or Roof Deck: Sagging roofs are a sign that water damage has occurred. Sagging can also cause damage to the roof sheathing beneath it if you put too many shingles on your roof. This can cause roof collapse or water infiltration.

You should also inspect your roof board for signs of water damage and leaks. You should also inspect your plumbing system for signs such as dark spots, trails, bubbles, or molds. This will help you to prevent further damage to your roof. When rainwater gets through the roof’s bolts and screws, water damage is common. This can cause other problems such as rusting or worse, the roof becoming weaker.


If your commercial roof has less than one-fourth of its original capacity, it’s time to replace it with Kennedy Roofing and Carpentry. Roofs will age over time, decreasing their durability and ability to protect those who live beneath them.

The lifespan of a roof is dependent on how it is constructed and installed. If you’re thinking about replacing your roof, ensure you get the best roofing materials and services.

 Kennedy Roofing has the experience and expertise to replace or repair your roof with quality materials and excellent craftsmanship. We service a multitude of areas in West Central Florida including Anna Maria Island, Plant City,  Apollo Beach, Bradenton, Brandon, and Seffner, Ellenton, Gibsonton, Longboat Key, North Port, Port Charlotte, Valrico, PalmettoPunta Gorda, Riverview, Sarasota, Sun City Center, Tampa Bay, Venice, Lake Whales, and all points in between! While most of our business is residential, we also handle commercial roofing projects. Check out our 5-star reviews and be sure to contact us today for your quote!

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