The roof is the most critical part of any building, whether it's residential or commercial. It protects it from external elements and improves insulation properties and energy efficiency. Many business owners are often in a dilemma of how long a commercial roof lasts. There is no specific answer to this as the lifespan of commercial roofs depends on several factors like roofing materials, maintenance, installation quality, and the region’s climate.
This blog discusses the lifespan of different roofing materials, how maintenance influences their longevity, and crucial tips businesses must know to prolong the lifespan of their commercial roofs. Read more below.
1. Average Lifespan of Popular Commercial Roofing Materials
Not all roofing systems are the same as each material has unique properties. Let’s break down common commercial roofing materials and their expected lifespans:
Built-Up Roofing (BUR): This roofing material is made using alternative layers of bitumen and reinforcing fabrics and typically lasts for 20 to 30 years. They provide strong protection and are UV-resistant but note that regular maintenance is required to maintain integrity.
Modified Bitumen: This is an asphalt-based roofing system, reinforced with fiberglass or polyester. It is known for its flexibility and longevity as it can last for up to 30 years. This material is ideal for regions that experience regular temperature fluctuations.
EPDM (Ethylene Propylene Diene Monomer): Also popular as rubber roofing, EPDM is known for its easy installation, affordability, and weather-resistant properties. It is especially suited for colder climates and has a lifespan of 25-35 years.
TPO (Thermoplastic Olefin): Typically lasts for 15-25 years, TPO roofing is both UV-resistant and energy-efficient. Its light color and heat-reflective properties make it ideal for commercial applications.
PVC (Polyvinyl Chloride): Known for its strength, chemical resistance, and weldable seams, PVC can last for 20-30 years. It is ideal for commercial buildings involved in the production of oils or chemicals on-site and restaurants.
Metal Roofing: Metal roofing is one of the best roofing materials with a lifespan of over 60 years with minimal maintenance. They are also naturally fire-resistant. With a higher initial upfront investment, the long-term value it offers makes it worthwhile.
2. Factors that Affect Roof’s Lifespan
Here are some crucial factors that influence the lifespan of commercial roofs:
Climate and Weather Exposure: Extreme temperatures, heat, cold, heavy rainfall, strong winds, and storms can damage roofs over time. Prolonged exposure to UV rays also causes premature wear and tear of roofing membranes.
Installation Quality: No matter how best the roofing material is, it won’t stay for long if not installed properly. Make sure to hire a trusted roofing contractor like 911 Exteriors Roofing and Construction to get the installation work done correctly the first time.
Foot Traffic: Commercial roofs often have solar panels or HVAC systems installed. So maintenance crews will definitely walk across the roof and too much foot traffic can damage its protective layers and create weak spots.
Drainage Systems: Low-sloped or flat roofs require proper drainage systems to prevent water ponding. Standing water can deteriorate membranes, leading to leaks or severe structural damage.
Ventilation and Insulation: A properly ventilated roof is essential to regulate indoor temperatures and reduce condensation. Not having proper insulation can damage the roofing material inside out.
Also Read: How Often Should You Inspect Your Commercial Roof? Costs, Benefits, and Expert Tip
3. Importance of Routine Roof Maintenance
Regular preventive maintenance can extend the life of your roof significantly. Even the best roofing material can experience premature wear and tear due to lack of maintenance.
Scheduled Inspections: Most experts suggest a professional inspection twice a year, usually in the spring and fall. You must also consider scheduling inspections after heavy storms to identify minor issues before they worsen.
Removing Debris: Dirt, branches, and leaves can clog the drainage systems and retain moisture which can eventually damage the surface. Regular cleaning can prevent this issue easily.
Addressing Minor Roofing Issues Quickly: Small cracks, punctures, or seam separations can be dealt with ease if identified early. Neglecting until the problem worsens can cause serious issues and require expensive repairs.
Maintaining Roof Coatings: Roof coatings act like protective barriers and reflect UV rays. These coatings can wear down over time and require reapplication for lasting protection.
Also Read: Commercial Roofing Maintenance: 5 Strategies to Get the Most Out of Your Roof
4. Tips to Extend the Lifespan of Your Commercial Roof
Choose the Right Roofing Material: Install a roofing system considering your building’s use, local climate, and budget. The longevity of the best roofing materials often outweighs initial upfront costs.
Hire a Trusted Roofing Contractor: This may sound simple but hiring an experienced roofing contractor like 911 Exteriors Roofing and Construction can make all the difference in roof installation and maintenance.
Build a Maintenance Plan: Create a preventative maintenance plan with your roofing contractor and maintain a record of all inspections, repairs, and upgrades.
Limit Foot Traffic: Limit roof access to only necessary personnel and designate walk paths. You can also install protective walkway pads to reduce wear.
Add Reflective Coatings: Reflective coatings can be a game-changer, especially in hot climates as it reduces thermal damage and energy bills.
Pay Attention to Signs of Roof Damage: Look for water stains on ceilings, mold growth, or unusual odors as these indicate roof leaks.
5. When to Consider a Roof Replacement
Every roof comes with a lifespan and you may need to replace it if you notice the following:
- Frequent leaks or repairs
- Significant cracking, blistering, or bubbling on the surface
- Extensive water damage or mold
- Increased energy bills
Hire Us for the Best Commercial Roofing Solutions
Whether you need help with commercial roof repairs, installation, or replacement, 911 Exteriors Roofing and Construction is your go-to roofing contractor. Book a consultation with us today to discuss your roofing needs.
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