The Undisputed Leaders In Roofing

We've been fixing, installing, maintaining and replacing roofs now for over 40 years and counting. You want the real deal when it comes to anything roof related? We're your trusted company you can rely on.

With a physical location you can come down and meet us, see our products and discuss your project in person.

Say goodbye to unlicensed, fly by night, shady roofing companies. Say hello to Gerry's Roofing & Siding Inc.

Book Free Quote Call 905.549.7112
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Time To Have Your Roof Replaced?

As much as we wish roofs would last a lifetime, unfortunately they don't. Are you noticing leaking, curled, broken, loose or missing shingles? It's probably time for a roof replacement. If you're noticing those issues from a quick eye test, there might be even worse issues with worn out fascia and rotting ply-boards underneath. Replacing old, damaged roofs with a brand new installation is our most popular service.

Our expert installers will provide a comprehensive replacement that will be sure to solve all your issues.

Comprehensive Roof Repairs

Depending on the extent of the damage, you might not need a full roof replacement and can get by with some roof repairs instead. Our team will look for the following damage and provide you with our feedback on your options and best solutions to move forward to fix the problems.

  • Damaged asphalt shingles
  • Leaks
  • Damage caused by animals
  • Storm damage
  • Soffit and fascia problems
  • Worn out flashing
  • And any other issues we find

Free, No Obligation Roof Assessment

The first step is for us to come out and take a look at your roof to properly assess the damages and provide you thorough details on your options. One of our trained project estimators will come to your house to talk it over with you. We always try to save our customers money, so if there is a way to only do repairs to fix the damage without having to do a full blown roof replacement, we'll try our best to accommodate that. Honesty is important to us in providing our quotes and options.

Wide Range Of Roof Material Choices

We offer new roofing customers a wide range of material options, and we take the time to explain the benefits of each.

The spectrum of choices in asphalt shingles is incredible. Our team will show you a range of styles, colours and textures, price points and warranties to help you make an informed decision.

Our Warranty & Guarantee To You

When you choose to work with us, you benefit from the peace of mind knowing your roof is backed by our product and workmanship warranties and guaranties. We offer a 10 yr workmanship guarantee and stand behind our products 100%. Professional installation and reliable after-sales service are part of our philosophy of doing business.

Don’t hesitate. Contact us today to get started!

Why Do Customers Choose Us For Their Roofing Needs?

We know the roofing industry doesn't exactly have the best reputation. A lot of bad actors have spoiled it for the rest of us who are running an honest, transparent business. But we don't let it worry us because we know our 40+ years of experience, our reputation with 100s of positive reviews online, and our expertise, make selecting us for your roof project an easy choice.

Simply put, we stand out from the rest of the roofing companies and we think you'll agree.

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We Put You First

Each roof project we take on is given our personalized care. We know every job and customer has different requirements. You're in good hands when you hire us to handle your roof work. We'll listen and educate you on your options to make sure you're happy.

We Don't Tolerate Mistakes

The quality of work is one of the most important aspects of our business. We have incredibly high standards and train all our crews to instill this care into their own craftsmanship. Mistakes are bad for you and bad for business. Attention to detail is our key to success.

40 Years And Still Going Strong

Did you know we're one of Hamilton's longest running roof companies? We've been doing this for 40+ years and aren't going anywhere anytime soon. We're just getting better with age. Being active in our community and building long term relationships with each customer we take on is our goal.

Our Customers Love Us

Don't just take our word for it. There are reviews all over the internet on how our customers loved working with us, the end results and that they'd have no issue recommending us to their friends and family. The ultimate stamp of approval and something we're most proud of.

Our Customers Tell It Best

Gerry’s Roofing installed a new roof on our bungalow in April 2019. From the first contact with Roger to go over details of the work and costing, Dianne and I got a good feeling of being in professional, friendly hands. Roger clearly explained all the aspects of the job to us, including Gerry’s use of high-quality materials, timing, and pricing. Roger answered each of our questions thoroughly.

Dianne Visschedyk

Read More Of Our Reviews

We have more experience, knowledge, expertise and integrity than any other roofing company in the area and we stand behind that 100%


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You're In Trusted Hands

We always offer reliable and knowledgeable service to you, our customer. Our professional and caring demeanor goes hand in hand with our extensive experience and training in all roof related services. There is no roof problem that comes our way we can't handle. Our team of skilled roofers have combined decades of real world experience and takes great pride in offering you personalized and high end service at an affordable price. Whether you need your roof replaced, just a small repair, or a brand new roof installation, we offer comprehensive and efficient solutions you need. So what are you waiting for? Give us a call or email and we'll walk you through what comes next.

A Roof Installation Job We've Completed

You can view even more photos of roofing projects we've done on our gallery page or on our Facebook & Instagram pages.

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  • We offer a 10 yr workmanship guarantee and stand behind our products 100%
  • Our city license numbers are 01951, 00689
  • Ask our knowledgeable estimators about our easy payment plan through HOME TRUST O.A.C.

Areas We Serve

We're located in Hamilton, Ontario and service the surrounding area. If you're not sure if we'll come out to your area, just ask when you contact us and we'll let you know.

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