Types of Roofing
Sloped Roofing Applications
Sloped Roofing relies on the principal of shedding water to carry it to a system that removes it from the roof. Sloped roofing systems are water resistant not waterproof, therefore free-standing water on a sloped roofing system will result in water penetrating the system.
Flat Roofing Applications
Flat Roofing application are used on slopes roofs with slopes of less than 3:12 slope. These systems are considered waterproofing meaning they are completely impenetrable to water and can have free standing water without leaking or compromising the roofing system.
Flat Roofing Materials
Modified Bitumen Roofing
Modified Bitumen Roofing, commonly known as “torch on roofing”, was born out of the desire to improve bitumen waterproofing characteristics by adding rubber (SBS) to the bitumen. An SBS blend is more elastic than bitumen. The blend performs better when roof is exposed to significant increases or decreases in ambient temperature over short periods in time.
EPDM is an extremely durable synthetic rubber roofing membrane (ethylene propylene diene terpolymer) widely used in low-slope buildings in the North America and worldwide. Its two primary ingredients, ethylene and propylene, are derived from oil and natural gas.
Thermoplastic Polyolefin (TPO) is a single-ply reflective roofing membrane made from polypropylene and ethylene-propylene rubber polymerized together. It is typically installed in a fully adhered or mechanically attached system, allowing the white membrane to remain exposed throughout the life of the roof.