FAQs

Yes. An inverted roof can be just as watertight as a traditional roofing system. The order of the system’s components is simply reversed: the waterproofing membrane is installed directly on the roof deck, with the insulation placed above it.This design protects the waterproofing membrane from

Municipalities are increasingly adopting regulations governing roof colours for new construction and roof replacement projects. In some areas, building owners are required to install a white roofing membrane because it helps reduce the urban heat island effect and can lower cooling costs during the summer.Most

The lifespan of a roofing system depends on the type of membrane, the quality of its installation, the maintenance performed, and its exposure to weather conditions. As a general rule, the average lifespan of roofing membranes with a proper preventive maintenance program is as follows:

In most cases, business operations can continue during the roofing work. We carefully plan each project to minimize disruptions to your operations, employees, and customers.Depending on the scope of the project, temporary restrictions may apply to roof access, parking areas, or certain parts of the

Spring, summer, and early fall are generally the best times to replace a commercial roof. More stable temperatures make membrane installation easier and reduce the risk of weather-related delays.However, some modern roofing membranes can be installed during the winter when site conditions permit. Careful planning

The main warning signs include:Recurring water leaksSignificant cracks or tears in the roofing membraneBlisters or bubblesOpen or deteriorated seamsPersistent ponding waterDamaged flashingMoisture or deterioration in the insulationIncreasingly frequent repairsWhen a roof is nearing the end of its useful life and repair costs continue to rise,

LK Toitures offers various warranty programs covering both labour and materials. Additional warranty options may also be available through roofing system manufacturers and the Association des maîtres couvreurs du Québec (AMCQ).The standard warranty provided by roofing contractors covers a period of five years from the

Roof repairs generally come before a complete replacement, as regular maintenance can extend the lifespan of your roofing system. A roof replacement becomes necessary when repairs are no longer sufficient to prevent water infiltration.Roof replacement may involve partially or completely removing and replacing the roofing

Yes.

Choosing an AMCQ-member roofing contractor is a sign of professionalism, expertise, and compliance with industry best practices. AMCQ members are committed to meeting high quality standards and have access to specialized training, technical specifications, and warranty programs recognized throughout Quebec.For building owners, this means a