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HBC Hahnel Bros. Co.

Hahnel Bros. Co.

Keeping Maine Safe, Dry, and Warm Since 1916

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Commercial roofing

Expert Commercial Roofing Services for Industrial, Institutional, and Commercial Applications.

For over a century, Hahnel Bros. Co. has been a leader in commercial roofing, providing durable, high-performance roofing systems for industrial, institutional, and commercial properties. Our work spans industrial facilities, institutional buildings, and large-scale commercial properties, ensuring that each system is engineered to meet project-specific demands, from thermal
performance
and uplift resistance to maintenance longevity.

We partner with industry-leading manufacturers and work with a range of proven roofing systems, ensuring that every project aligns with building performance requirements, warranty specifications, and installation best practices. Whether it’s low-slope membrane systems, engineered metal solutions, or traditional slate roofing, we have the expertise to deliver precision installations and long-term performance that fit the needs of the project and client.

Roofing Systems We Install:

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Single-Ply Roofing

Designed for low slope commercial applications, our single-ply solutions provide high flexibility, energy efficiency, and resistance to weathering and chemical exposure.


Single-Ply Roofing Options:

● EPDM Roofing – Time-tested elastomeric membrane offering superior flexibility and UV resistance.
● TPO Roofing – Highly reflective and heat-welded, offering enhanced energy efficiency and seam integrity.
● PVC Roofing – Best suited for applications requiring chemical resistance, reinforced durability, and longevity.

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Metal Roofing

For projects requiring durability, aesthetic appeal, and a long service life, our metal roofing systems deliver superior wind uplift resistance, thermal movement control, all while being a low maintenance option.

● Standing Seam Metal Roofing – Mechanically seamed and built for long-term weather protection and thermal movement.
● Flat Seam Roofing – Historic and modern applications requiring watertight soldered seams and custom fabrication.

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Hahnel Bros. doing Custom Metal Fabrication

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Slate Roofing

For projects that demand a balance of timeless beauty and durability, slate roofing provides natural stone protection with exceptional longevity, fire resistance, and resilience against extreme weather. For a more lightweight alternative, synthetic slate roofing replicates the look of traditional slate while offering enhanced impact resistance and reduced structural load requirements—ideal for projects requiring both aesthetic appeal and modern performance.

● Slate Roofing – Natural stone roofing known for its exceptional lifespan and architectural appeal.
● Synthetic Slate Roofing – Offers the appearance of natural slate with reduced weight and improved impact resistance.

Roofing Maintenance & Additional Services

Proactive maintenance extends the life of your roofing system and prevents costly failures. Our inspection and maintenance programs ensure ongoing performance, compliance, and warranty protection.

● Roof Inspections –If you’re having concerns about the Identifying membrane wear, seam integrity, and drainage efficiency to avoid risks and costly repairs.
● Roof Maintenance – Scheduled upkeep to address debris accumulation, punctures, and sealant failures and other naturally occurring issues.
● Snow Guards, Snow Rails, Snow Stops – Systems offered for protection against snow movement and ice dam formation.
● Roof Safety Rails – Safety rail installation service to insure compliance with fall protection and OSHA safety regulations.
● Roof Drains & Hatches – Service maintenance of roof access points and drainage systems to prevent water damage.

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Hahnel Bros. doing Custom Metal Fabrication

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Why Hahnel Bros.?

With over a century of experience in the commercial roofing industry, Hahnel Bros. brings a level of craftsmanship, technical expertise, and industry insight that sets us apart. We work closely with architects, engineers, and facility managers to ensure each system is installed with precision and adherence to performance specifications.

Contact us today to discuss your next roofing project.

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