Family Friend Roofing & Construction - Blog Post: Commercial Roof

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"What is the Lifespan of a Commercial Roof?"

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How Long Does a Commercial Roof Last?

A commercial roof is a significant investment for any business, and understanding its potential lifespan is crucial. This knowledge can help you plan ahead for necessary maintenance, repairs, or replacements, ensuring your business runs smoothly without any unforeseen roofing issues. In this article, we’ll explore factors affecting the lifespan of commercial roofs and how to extend their longevity.

Factors Affecting the Lifespan of a Commercial Roof

Type of Commercial Roofing Materials

Multiple types of commercial roofing materials are available, each with its unique set of benefits and lifespans. Here are some of the most common types:

1. EPDM Roofing: Ethylene Propylene Diene Monomer (EPDM) roofs are durable, flexible, and resistant to UV radiation. They last between 20 and 30 years with proper maintenance.
2. PVC Roofing: Polyvinyl Chloride (PVC) roofs are known for their durability, resistance to fire, and strength. They can last between 20 and 30 years.
3. Modified Bitumen Roofing: This type of roofing is resistant to tears and punctures, making it an ideal choice for commercial buildings. Its lifespan ranges from 20 to 25 years.
4. Built-Up Roofing (BUR): Built-Up roofs are made of multiple layers of bitumen and reinforcing fabrics, creating a finished membrane. They can last between 15 and 30 years.
5. Thermoplastic Polyolefin (TPO): TPO roofs are popular for their energy efficiency and durability. They have a lifespan of about 15 to 25 years.
6. Asphalt Shingles for Commercial Buildings: While more commonly used for residential properties, asphalt shingles are also used for commercial buildings due to their cost-effectiveness and aesthetic appeal. They typically last between 15 and 20 years.

Roof Installation Quality

Importance of Choosing Experienced Commercial Roofing Contractors

The quality of the installation significantly impacts the lifespan of a commercial roof. Experienced commercial roofing contractors have the skills and knowledge to correctly install various roofing systems, which can prevent future issues and extend the roof’s lifespan.

Ensuring the Roof Is Properly Installed

A properly installed roof is less likely to have issues such as leaks, cracks, or other forms of damage. Commercial roofing contractors should follow industry standards and best practices to ensure the roof is correctly installed.

Climate and Weather Conditions

Impact of Weather on Flat Roofs and Slope Roofs

Weather conditions significantly affect the lifespan of a commercial roof. For instance, flat roofs can accumulate water if not properly drained, leading to leaks and damage. On the other hand, slope roofs may wear down faster in areas with high winds or heavy snowfall.

UV Exposure and Temperature Fluctuations

UV exposure and temperature fluctuations can cause roofing materials to expand and contract, leading to cracks and damage over time. Commercial roofs in areas with harsh weather conditions may require more frequent maintenance and repairs.

Maintenance and Inspection Frequency

Recommended Roof Inspection Schedule

Regular inspections are crucial for extending the lifespan of a commercial roof. Most roofing professionals recommend biannual inspections and after severe weather events to identify and fix any potential issues promptly.

Common Roof Repair Needs

Common repairs for commercial roofs include fixing leaks, replacing damaged sections, and repairing flashing. Timely repairs can prevent small issues from escalating into significant problems that may require a full roof replacement.

Roof Design and Structure

Slope Roof vs. Flat Roof Design

The design of a commercial roof also affects its lifespan. Slope roofs tend to have better water drainage, reducing the risk of water damage. However, flat roofs provide additional usable space for HVAC systems or rooftop gardens.

Importance of Proper Drainage Systems

Regardless of the roof design, a proper drainage system is crucial for preventing water accumulation and subsequent damage. Regular inspections and cleaning of the drainage system can prevent such issues and extend the roof’s lifespan.

Typical Lifespan of Different Commercial Roofing Systems

As mentioned earlier, different roofing systems have varying lifespans:

1. EPDM Roofing: 20-30 Years
2. PVC Roofing: 20-30 Years
3. Modified Bitumen Roofing: 20-25 Years
4. Built-Up Roofing (BUR): 15-30 Years
5. Thermoplastic Polyolefin (TPO): 15-25 Years
6. Asphalt Shingles for Commercial Buildings: 15-20 Years

Signs It’s Time for a Roof Replacement

1. Visible Damage and Leaks: If your commercial roof has visible damage or persistent leaks, it might be time for a roof replacement.
2. Energy Efficiency Decline: A significant increase in energy costs might indicate that your roof isn’t insulating your building effectively, suggesting the need for a roof replacement.
3. Frequent and Costly Roof Repairs: If your roof needs constant repairs, it might be more cost-effective to replace it entirely.
4. Expired Manufacturer Warranty: If the manufacturer’s warranty on your roofing materials has expired, it might be time to consider a roof replacement.

How to Extend the Lifespan of a Commercial Roof

1. Regular Roof Maintenance Plans: Regular maintenance can identify and rectify potential issues before they become significant problems.
2. Working with Certified Commercial Roofing Contractors: Certified contractors are more likely to install the roof correctly and follow best practices, prolonging the roof’s lifespan.
3. Installing Energy-Efficient Roofing Membranes: Energy-efficient roofing materials can reflect sunlight, reducing heat absorption and slowing down the roofing material’s wear and tear.
4. Scheduling Roof Inspections After Severe Weather: Inspections after severe weather events can identify any damage and allow for prompt repairs.

Choosing the Right Roofing Contractor for Long-Term Results

1. Certifications and Industry Credentials: Look for contractors with certifications and industry credentials, which indicate their commitment to quality and professional standards.
2. Experience in Roofing Projects for Commercial Buildings: Experienced contractors will be more adept at handling the complexities of commercial roofing projects.
3. Customer Reviews and Testimonials: Reviews and testimonials can provide insights into the contractor’s reliability, quality of work, and customer service.

At Family Friend Roofing & Construction, we pride ourselves on delivering quality, reliable roofing services that stand the test of time. As a BBB Accredited business, we uphold the highest standards of integrity, honesty, value, and reliability. Whether you need a new commercial roof, repairs, or maintenance, we’re here to help. Contact us today to learn more about how we can help extend the lifespan of your commercial roof.