Modified Bitumen Roofing Systems
THE MANUFACTURING PROCESS #
Bitumen is a heavy petroleum product. It is great for sealing out water, resisting changes in temperature, and providing long-lasting, flexible roof protection. Modified bitumen roofing material keeps all the best qualities of this petroleum product but modifies it by adding long-fiber rubber compounds or polymers for strength, elasticity and workability.
Sheets of modified bitumen roofing membrane are made in a factory under carefully controlled conditions and spun into convenient rolls. FlatRoofReplacement.ca can get them up your flat roof by freight elevator, ladder hoist or, if necessary, by stairs. We lay the rolls out rapidly and seal their laps either using heat (torch applied).
Common modifiers mixed into the bitumen include:
- Styrene-butadiene-styrene (SBS), a rubber
- Atactic-polypropylene (APP), a plastic
Although we often refer to the products we use with these abbreviations, we are always happy to explain what our industry lingo means, and why either APP or SBS is the right choice for your commercial roof.
APPEARANCE #
Your flat roof can take on just about any final appearance you would like, because the top of the membrane can be treated with granulated minerals or metal foils in a wide range of colors, including cool white to act as a [cool roof cool roof and help lower cooling costs in the summer months.
LIFESPAN #
The Greater Toronto Area experiences punishing weather where modified bitumen roofs have been tried and tested. A well-designed, carefully installed modified bitumen flat roof can easily last more than a decade, and often two. The lifespan of your commercial roof depends on three factors:
- Climate
- Professional Installation
- Proper Maintenance
MAINTENANCE REQUIREMENTS #
Maintenance red flags for your membrane roof depend on the modifiers used:
- SBS membranes—granule loss, blister, cracking, open or loose laps
- APP membranes—blisters, loose bare flashings, crazing, cracking, and open or loose laps
Having professional, commercial roofers perform an annual inspection is economical, since small issues can be repaired efficiently before they become major problems or lead to leaks.
FlatRoofReplacement.ca can perform your modified bitumen flat roof replacement, help you maintain it, and advise your maintenance department on carrying out semi-annual or quarterly inspections and repairs.
http://www.flatroofreplacement.ca/
info@flatroofreplacement.ca