Business Details
46 Years
experience
Expert Duro-Last Roofing Solutions in BC
Established in 1980, JG Roofing has become British Columbia's premier roofing specialist for agricultural, commercial, and residential applications. Our expertise in the Duro-Last Roofing System reflects over four decades of technical mastery and commitment to quality craftsmanship. As a family-operated business for 43 years, we've trained five generations of roofers while maintaining factory-certified excellence since 1999. Our dual recognition as Elite Master Contractor for 12 consecutive years and Master Contractor for 15 years underscores our technical proficiency and customer service standards. We deliver precision-engineered roofing solutions that combine energy efficiency through Cool-Zone technology, structural durability with hurricane-resistant membranes, and comprehensive warranties that include lifetime transferability.Our 99% factory rating from Duro-Last validates our installation expertise, while our competitive quoting process ensures value-driven solutions for every project. From historic building preservation to large-scale commercial installations, our team combines technical innovation with personalized service. We maintain rigorous safety protocols and environmental responsibility through debris-free job sites and sustainable material practices. Our 100% satisfaction guarantee combines with decades of regional climate-specific experience to deliver weatherproof solutions tailored to British Columbia's diverse environments. Through continuous process improvement and knowledge-sharing, we ensure every roofing project meets our exacting standards for performance and longevity.
Services
Residential Roofing
Commercial Roofing
Agricultural Roofing
Duro-Last Systems
EPDM Roofing
Torch-On Roofing
Tar and Gravel Roofing
Details
- Year established: 1980
Highlights and features
- 42 years of specialized roofing experience since 1980
- Family-operated with five generations of trained professionals
- Factory-trained specialists since 1999 with 99% installation rating
- Duro-Last systems with 86% solar reflectivity for energy savings
- 15-year commercial warranties with lifetime transferability
Associations and certifications
- Duro-Last Elite Master Contractor
- Duro-Last Master Contractor
What people say
Exceptional workmanship
Professional and dependable
Completed ahead of schedule
No mess
Energy efficient
Services
Duro-Last Systems
Duro-Last thermoplastic roofing systems provide maintenance-free protection with 86% solar reflectivity. Our factory-certified installations combine weft-inserted scrim reinforcement with UV-absorbing additives for maximum durability. Clients benefit from energy savings through reduced cooling costs and lifetime warranties with zero maintenance requirements.
Commercial Roofing
Commercial applications feature hurricane-resistant membranes and chemical corrosion protection. Our installations meet Factory Mutual 1-210 standards with prefabricated components that eliminate leak points. Businesses gain energy efficiency through Cool-Zone technology and 15-year transferable warranties.
Residential Roofing
Residential Duro-Last systems maintain stable interior temperatures while resisting ponding water. Our installations include customizable color options with white, tan, or grey membranes. Homeowners receive 20-year warranties and experience reduced maintenance costs through self-repairing membrane properties.
Agricultural Roofing
Agricultural applications optimize climate control with thermoplastic membranes that increase productivity in livestock facilities. Our systems prevent rust and corrosion while maintaining structural integrity in high-moisture environments. Farmers benefit from energy savings through reduced ventilation requirements.
Torch-On Roofing
Traditional torch-on systems provide durable waterproofing with modified bitumen layers. Our installations combine modern flame-application techniques with proven materials for weatherproof protection. Clients receive extended warranties through proper heat-fusion application methods.
People
John Grimard
Owner/Operator
With 36 years of industry experience since starting JG Roofing in 1981, John oversees all operations while maintaining family traditions of quality. His technical expertise spans all roofing systems with specialization in Duro-Last since 1999.
Questions
What types of roofing systems do you specialize in?
We specialize in Duro-Last thermoplastic systems, EPDM rubber, Torch-on asphalt membranes, and traditional Tar and Gravel applications for all building types.
How do Duro-Last roofs improve energy efficiency?
Duro-Last membranes with Cool-Zone technology reflect 86% of solar radiation, reducing cooling costs by maintaining stable interior temperatures year-round.
What warranty options are available?
Duro-Last offers 15-year commercial and 20-year residential warranties with lifetime transferability, covering both materials and labor with no maintenance requirements.
How long does a typical installation take?
Project timelines vary by scope, but our teams consistently deliver ahead of schedule through efficient prefabrication and streamlined installation processes.
Are you licensed for historical building renovations?
Yes, we have extensive experience preserving heritage structures while providing modern waterproofing solutions, including the 100-year-old St. Therese Institute.
Do you service commercial properties outside BC?
While based in British Columbia, we've successfully completed projects across Canada including Saskatchewan's St. Therese Institute renovation.
