Modified Bitumen Roofing System for Commercial Properties

What is Modified Bitumen Roofing?
Modified Bitumen roofing is a popular choice for commercial properties with flat or low-slope roofs. It’s made from asphalt, but it has been modified with polymer additives to increase its flexibility, durability, and overall performance. This roofing material is known for its long lifespan, resistance to extreme weather conditions, and ease of installation. Modified Bitumen roofing combines the benefits of traditional bitumen with modern technology to provide superior protection for your commercial property.
Key Benefits of Modified Bitumen Roofing
Modified Bitumen roofing offers several advantages that make it an excellent option for flat or low-slope commercial roofs:
- Durability: Modified Bitumen roofs are designed to withstand harsh weather conditions, including heavy rain, snow, and extreme temperatures. They are highly resistant to UV rays, which helps prevent premature degradation.
- Weather Resistance: The material is designed to be waterproof and can handle heavy rains and snow, making it an ideal option for areas that experience severe weather.
- Flexibility: The polymer modification gives Modified Bitumen roofing enhanced flexibility, allowing it to expand and contract with temperature changes without cracking or breaking.
- Long Lifespan: With proper maintenance, Modified Bitumen roofs can last 20-30 years, providing long-term protection and reducing the frequency of roof replacements.
- Easy Installation: Modified Bitumen roofing systems are easier to install compared to other commercial roofing materials, making the installation process quicker and more efficient.

Modified Bitumen Roofing Installation Process
The installation of Modified Bitumen roofing systems is a straightforward process, but it requires skilled professionals to ensure that the roofing system is properly applied. Here’s a breakdown of the installation steps:
- Roof Preparation: Before installing the Modified Bitumen system, the existing roofing material (if any) must be removed or properly prepared. The surface is cleaned to ensure proper adhesion of the new roofing system.
- Underlayment Installation: A base layer, or underlayment, is installed on the roof deck. This acts as an extra layer of waterproof protection to ensure that no moisture can seep into the building.
- Application of the Modified Bitumen Membrane: The Modified Bitumen membrane is then applied to the roof. This can be done through a torch-down method, self-adhering method, or cold adhesive, depending on the system used.
- Seam Sealing: Once the layers are installed, the seams are sealed to prevent any leaks. The seams are either heat-welded or sealed with adhesives to ensure a watertight finish.
- Final Inspection: After installation, the roof is thoroughly inspected to ensure that all seams are properly sealed, there are no weak spots, and the roof is ready to protect your property.
Durability and Longevity of Modified Bitumen Roofing
Modified Bitumen roofing is designed for long-lasting durability, especially in commercial applications where the roof is exposed to severe weather conditions. Here’s why Modified Bitumen roofs are built to last:
- Resistant to Physical Damage: The rubberized properties of Modified Bitumen make it resistant to cracking, puncturing, and damage caused by impact or foot traffic.
- UV and Ozone Resistance: The material is highly resistant to ultraviolet (UV) radiation and ozone, which can break down other roofing materials over time. This makes Modified Bitumen roofing ideal for sunny climates.
- Temperature Flexibility: The roofing material can expand and contract with temperature fluctuations, ensuring that it doesn’t crack or break under extreme heat or cold.
- Long-Term Protection: With proper installation and routine maintenance, Modified Bitumen roofs can last between 20 and 30 years, providing reliable protection for your commercial property.

Maintenance of Modified Bitumen Roofing Systems
Modified Bitumen roofing systems require minimal maintenance but regular inspections will help extend the life of your roof. Here are some key maintenance tasks to keep your Modified Bitumen roof in top condition:
- Regular Inspections: It’s important to inspect your roof regularly, especially after storms or severe weather. Look for any signs of damage, such as tears or punctures, and address them promptly to prevent further issues.
- Cleaning the Roof: Remove debris such as leaves, twigs, and dirt from the roof to prevent water pooling and the growth of mold or algae.
- Seam Maintenance: Inspect the seams regularly to ensure they remain sealed. Any cracks or damage should be repaired immediately to prevent water penetration.
- UV Protection: Periodically apply a reflective coating to protect the roof from UV damage and improve energy efficiency by reflecting sunlight away from the building.
Why Choose Millstream Construction for Your Modified Bitumen Roofing Project?
Millstream Construction is a trusted provider of Modified Bitumen roofing systems for commercial properties in Connecticut and Massachusetts. We use high-quality materials and expert craftsmanship to ensure that your Modified Bitumen roof is installed correctly and will provide years of reliable protection. Our team has extensive experience working with Modified Bitumen systems, and we are dedicated to delivering top-notch service and results for your property.
If you’re considering a Modified Bitumen roofing system for your commercial property, contact Millstream Construction today. We’ll guide you through the selection, installation, and maintenance process to ensure your roof is built to last.
3 Easy Steps
Complimentary Consultation
Professional Installation
Post-Installation Inspection