Lifetime Written Workmanship Warranty
Roofing, Windows, Siding, Doors, Eavestroughs & HVAC
Flexible Financing Options (OAC)
Grimsby homeowners trust Custom Contracting for grimsby services. With 8 years of local experience and over 1,200 successful projects, we're Grimsby's leading experts in residential home improvement.
Completed Projects
Happy Clients
Sq Ft Roofing
Years Experience
Custom Contracting proudly serves Grimsby's lakeside community with comprehensive exterior services. From roofing and siding to windows, doors, eavestroughs, and HVAC, we deliver quality craftsmanship backed by our lifetime warranty.
We provide comprehensive exterior contracting services to homeowners throughout Grimsby and surrounding areas.
Expert roof installation and repair services for Grimsby homes
Beautiful, durable siding for Grimsby's climate
Premium gutter systems and gutter guards
Energy-efficient replacement windows and doors
Heating and cooling installation and maintenance
Improve energy efficiency with proper insulation
See our quality workmanship in action. These are real projects we've completed for Grimsby homeowners.
Complete architectural shingle installation in Grimsby
Modern vinyl siding transformation in Grimsby
Energy-efficient windows installed in Grimsby
Standing seam metal roof in Grimsby
Premium James Hardie siding in Grimsby
Beautiful patio door installation in Grimsby
Don't just take our word for it. See what your neighbors are saying about our work.
“Outstanding service from start to finish! The crew was professional, punctual, and left our property spotless. Our new roof looks amazing!”
Sarah M.
Grimsby
“Best decision we made for our home. The quality of workmanship is exceptional and the price was very competitive. Highly recommend!”
John D.
Grimsby
“After getting multiple quotes, Custom Contracting stood out for their professionalism and expertise. The lifetime warranty sealed the deal!”
Lisa T.
Grimsby
See more reviews on
We're committed to providing Grimsby homeowners with the best service, quality, and value.
Local Grimsby team ready to serve you quickly
Over 25 years of experience delivering excellence
Lifetime workmanship warranty on all projects
No payments for 1 year + 0% interest for 10 years (OAC)
We proudly serve all neighborhoods and communities throughout Grimsby.
Monday - Saturday: 8am - 6pm
Emergency Service Available
45 Worthington Dr Unit H
Brantford, ON N3T 5M1
Contact us today for a free, no-obligation estimate on your roofing, siding, or exterior project.
Our team has been serving Grimsby homeowners with hands-on expertise for years. We've completed thousands of projects across every neighborhood, understanding the unique challenges of Grimsby's climate, building codes, and property types.
All our contractors are: Licensed, insured, background-checked, and continuously trained on the latest industry standards and techniques. We invest in ongoing education to ensure we deliver cutting-edge solutions.
All our installation work is backed by our lifetime workmanship warranty
No hidden fees. Detailed quotes with all costs itemized upfront
We don't consider the job done until you're 100% satisfied
Don't miss this 60% OFF offer! Contact us today.
📍 Visit Us
45 Worthington Dr Unit H
Brantford, ON N3T 5M1
✉️ Email Us
infor@customcontracting.ca