Built-Up Roofing (BUR) – Robertson & Hachfield Limited

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Flat Roofing

Built-Up Roofing (BUR) Systems Designed for Strength and Longevity

Built-Up Roofing (BUR) is one of the most time-tested and durable flat roofing systems used on commercial and industrial buildings. Constructed using multiple layers of reinforcing felt and bitumen, BUR systems provide excellent waterproofing, impact resistance, and long-term performance. At Robertson & Hachfield Limited, we install and service Built-Up Roofing systems that are engineered to withstand heavy use and harsh Canadian weather conditions.

Our BUR roofing services focus on proper layering, secure adhesion, and detailed finishing to create a strong, watertight roofing system. The multi-ply design offers enhanced protection against moisture penetration and mechanical damage. With decades of experience, our team delivers BUR roofing solutions that provide reliable performance, extended roof life, and dependable protection for properties across the Greater Toronto Area.

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Flat Roof Installations
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Years of Roofing Expertise

Why Built-Up Roofing Remains a Trusted Choice

Built for Maximum Protection

Multi-Layer Strength

Multiple layers of felt and bitumen create a robust barrier against water and damage.

Excellent Waterproofing

The layered system provides superior resistance to leaks and moisture intrusion.

Long Service Life

When properly installed and maintained, BUR systems offer long-term durability.

Our Experience

Trusted Built-Up Roofing Specialists Since 1964

Built-Up Roofing systems require precise installation and a deep understanding of flat roof construction. At Robertson & Hachfield Limited, our experienced roofing professionals install and repair BUR systems using proven techniques and quality materials. We understand how to properly layer materials, manage drainage, and detail roof penetrations to ensure long-term performance and watertight protection.
Our approach combines technical expertise with strict safety standards and professional service. From new BUR installations to repairs and maintenance, we focus on delivering roofing systems that perform reliably over time. With decades of experience, skilled employees, and a strong commitment to quality, we continue to be a trusted choice for BUR roofing projects throughout the GTA.

Flat Roofing Expertise

Extensive experience working with Built-Up Roofing systems.
Quality Workmanship

Careful installation practices ensure strength, durability, and performance.
Dependable Service

Consistent results, clean job sites, and warrantied roofing solutions.

BUR Roofing Questions

Built-Up Roofing (BUR) – What You Should Know

Built-Up Roofing is a proven flat roofing solution that offers durability and protection when installed correctly. Below are answers to common questions about BUR roofing systems and our services.

What is a Built-Up Roofing (BUR) system?

BUR is a flat roofing system constructed with multiple layers of felt and bitumen that create a durable, watertight membrane.
Is BUR suitable for commercial and industrial buildings?

Yes. BUR systems are commonly used on commercial and industrial properties due to their strength and long service life.
Is BUR roofing safe to install?

All BUR roofing work is performed in compliance with IHSA regulations, with full insurance and WSIB coverage in place.
Do you offer BUR roof repairs and maintenance?

Yes. We provide professional BUR repairs and preventative maintenance services to extend roof lifespan.
How long does a BUR roof last?

With proper installation and maintenance, BUR roofing systems can provide long-term performance and reliability.