Commercial Roofing Service LLC

Which Is Better – Built-Up Roofing Or TPO?

Commercial roofing is a significant investment, and choosing the right material can dramatically impact your building’s longevity, energy efficiency, and overall maintenance costs.

Two popular options in the commercial roofing market are built-up roofing (BUR) and thermoplastic polyolefin (TPO). Each system has its unique advantages and drawbacks, making the decision between them a crucial one.

Let’s delve into the specifics of BUR and TPO roofing systems, comparing their key features, benefits, and drawbacks to help you make an informed choice for your commercial property.

Understanding Built-Up Roofing (BUR)

Built-up roofing, often referred to as “tar and gravel” roofing, is a time-tested system that has been used for over a century. It consists of multiple layers of bitumen (asphalt or coal tar) and reinforcing fabrics, topped with a layer of gravel or mineral cap sheet. This layered construction provides excellent waterproofing and durability. BUR systems are known for their resistance to foot traffic, punctures, and UV radiation.

Pros of Built-Up Roofing:

Durability: BUR systems can last for 20-30 years or more with proper installation and maintenance.
Waterproofing: The multiple layers of bitumen and reinforcing fabrics create a robust barrier against water infiltration.
UV Resistance: The gravel or mineral cap sheet protects the underlying layers from the sun’s harmful rays.
Puncture Resistance: BUR systems are resistant to punctures from foot traffic, hail, and other debris.
Ease of Repair: Repairs to BUR systems are typically straightforward and cost-effective.

Cons of Built-Up Roofing:

Weight: BUR systems are heavy, which may necessitate additional structural support for your building.
Installation: Installation is labor-intensive and requires skilled professionals.
Odor: During installation, the application of hot asphalt can produce strong odors.
Environmental Concerns: Some bitumen materials used in BUR systems may contain volatile organic compounds (VOCs).
Susceptible to Ponding Water: BUR roofs can be prone to ponding water if not properly sloped, which can lead to premature deterioration.

Exploring TPO Roofing

Thermoplastic polyolefin (TPO) is a single-ply roofing membrane made from a blend of polypropylene and ethylene-propylene rubber. It is a relatively new option in the commercial roofing market but has gained popularity due to its numerous benefits. TPO membranes are available in various thicknesses and colors and can be mechanically attached, fully adhered, or ballasted to the roof deck.

Pros of TPO Roofing:

Energy Efficiency: TPO membranes are highly reflective, which can help reduce cooling costs in hot climates.
Lightweight: TPO is a lightweight roofing material, putting less stress on your building’s structure.
Flexibility: TPO membranes are flexible and can accommodate building movement.
Ease of Installation: TPO installation is relatively quick and straightforward compared to BUR.
Environmentally Friendly: TPO membranes are recyclable and contain no chlorine or other harmful chemicals.
Resistance to Ponding Water: TPO roofs are resistant to ponding water, reducing the risk of leaks and premature deterioration.
Puncture and Tear Resistance: TPO membranes are resistant to punctures and tears, making them suitable for roofs with heavy foot traffic or equipment.

Cons of TPO Roofing:

Seams: The seams in TPO roofs can be a potential weak point, requiring careful installation and maintenance.
UV Sensitivity: Prolonged exposure to UV radiation can cause TPO membranes to degrade over time.
Cost: TPO roofs can be more expensive upfront than BUR systems.
Longevity: While TPO roofs can last for 15-20 years, they may not be as long-lasting as BUR systems.

Making the Right Choice

The decision between built-up roofing and TPO ultimately depends on your specific needs and priorities. Consider the following factors when making your choice:

Budget: BUR systems are generally more affordable upfront, but TPO roofs may offer long-term savings due to their energy efficiency.
Building Structure: If your building has structural limitations, TPO’s lightweight nature may be a significant advantage.
Climate: TPO’s reflective properties make it an excellent choice for hot climates, while BUR’s durability may be preferable in areas with harsh weather conditions.
Environmental Concerns: If environmental sustainability is a priority, TPO’s recyclability and lack of harmful chemicals may be appealing.
Longevity: If you’re looking for a roof with a long lifespan, BUR may be the better option, but TPO can still provide a durable and reliable solution.

At Commerical Roofing Services, LLC. our team is dedicated to providing high-quality workmanship and exceptional customer service to every client. Contact us at 862-236-2389 with questions about BUR or TPO roofing. We even offer professional roofing services, including roof repairs, roof replacements, and roof coatings.

Which Is Better – Built-Up Roofing Or TPO?

Both built-up roofing and TPO offer distinct advantages and disadvantages. It is advisable to consult with a qualified roofing professional to assess your building’s specific needs and recommend the most suitable roofing system.

Commercial Roofing Services, LLC. is here for all your commercial roofing needs. Come see us at 8 Campus Dr. Ste 105 Parsippany, New Jersey 07054.

With careful consideration of your budget, building structure, climate, environmental concerns, and desired lifespan, you can confidently choose between built-up roofing and TPO, ensuring a durable, reliable, and cost-effective roof for your commercial property.