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SERVICES WE OFFER


COMMERCIAL & INDUSTRIAL

PROUDLY CANADIAN FAMILY-OWNED & OPERATED

FREE INSPECTIONS

A leaking roof can have serious consequences if left unattended. Our team of flat roofing specialists can inspect the roof and provide you with a detailed quote and maintenance plan at no cost.

Roof ReportS

We provide detailed roof assessment reports for assessing roof conditions, identifying potential issues, and planning repairs or replacements. insurance and restoration companies can count on our specialists for fast, reliable and quality service.

ROOF REPAIR & Roof REPLACEMENT

Roof repair and roof replacement involve identifying and fixing issues such as membrane wear, leaks, ponding water and damaged flashing. When repairs are no longer sufficient, a complete roof replacement ensures your building roof stays secure, water-resistant and fully functional for years to come.

PREVENTATIVE MAINTENANCE

Without regular roof maintenance, problems can intensify from repair to costly replacement needs. Gentech's Preventative Maintenance Plan can extend the life of your existing roof. Contact us for a free quote.

EMERGENCY LEAK REPAIR

When you have water pouring in on your production line or streaming in over your inventory, leave it to the professionals at Gentech Roofing to stop the leak, so you can get back to what’s important. 

NEW CONSTRUCTION

Starting a new building project or adding a roof addition requires careful planning and expert execution. When it comes to flat roofing for new construction, Gentech will ensure long-term performance and durability.

MODIFIED BITUMEN HYBRID BUR

A Modified Bitumen Hybrid BUR roofing system combines the redundancy of traditional Built-Up Roofing (BUR) with the advanced technology of modified bitumen roofing membranes. With proper installation, care, and maintenance, this system has an average life of 20 years or more. 

4-PLY BUILT-UP (BUR)

4-Ply Built-up roofing systems (BUR) consist of multiple layers of roofing felt, secured with layers of hot asphalt, and topped with a layer of gravel. This is one of the oldest, durable and most reliable systems installed in Canada since the early 1900's. 

2-PLY MODIFIED BITUMEN

 Similar in principal to the B.U.R these roofs see a life span of up to 30 years with proper scheduled maintenance. A 2-ply roofing system is durable and can cope with our harsh winter climate, foot traffic and maintenance servicing of HVAC systems.

1-PLY SINGLE PLY ROOFING

TPO, PVC, and EDPM are the three most common types of single-ply membrane systems. This is by far the most common synthetic rubber roofing option for larger scale projects. Highly dependable, durable and economically beneficial to any building owner and manager.

THERMAL IR ROOF SCAN

Infrared real time imaging is a proven method for identifying and defining moisture problems in roofs. Our certified team can conduct an Imaging Scan and provide you a comprehensive Thermal IR report. Please contact us for more information and pricing.

DRONE INSPECTION

Our Certified Drone Technology Team can easily determine the condition of your roof and provide you with a detailed report including 4K quality photos in aerial view. Contact us for a quote.

SERVING THE GTA & SURROUNDING LOCATIONS

Our Service Areas

Peel Region commercial industrial roofing services Brampton Mississauga Caledon Bolton Malton

PEEL REGION

✅Brampton ✅Mississauga ✅Caledon

✅Bolton ✅Malton ✅Streetsville

TORONTO REGION

✅Toronto ✅Etobicoke ✅York 

✅North York ✅Scarborough

Halton Region commercial industrial roofing services Burlington Oakville Milton Georgetown Acton

HALTON REGION

✅Burlington ✅Oakville ✅Milton 

✅Georgetown ✅Halton Hills ✅Acton

York region service area

YORK REGION 

✅Markham ✅Vaughan ✅Aurora

 ✅Richmond Hill ✅Newmarket ✅King

DURHAM REGION

✅Ajax ✅Pickering ✅Whitby ✅Oshawa 

✅Clarington ✅Uxbridge ✅Port Perry

HAMILTON REGION

✅Hamilton ✅Dundas ✅Stoney Creek  

✅Ancaster ✅Waterdown

WELLINGTON COUNTY

✅Guelph ✅Wellington ✅Erin 

✅Minto ✅Mapleton ✅Puslinch

BRANTFORD REGION

✅Brantford ✅Brant ✅Caledonia 

✅Ohsweken ✅Six Nations

NIAGARA REGION

✅Niagara Falls ✅St. Catharines ✅Lincoln

✅Grimsby ✅Niagara-on-the-Lake

DUFFERIN COUNTY 

✅Orangeville ✅Shelburne ✅Mono

✅Grand Valley ✅Amaranth ✅Mulmur

SIMCOE COUNTY

✅Barrie ✅Innisfil ✅Orillia ✅Alliston ✅Midhurst ✅Bradford ✅Wasaga



OUR SUPPLIERS


QUALITY WE TRUST

©2025 Gentech Roofing | All Rights Reserved.

1590 Dundas Street East, Suite B6

Mississauga, Ontario

L4X 2Z2 Canada

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