Roof Replacement in Barrie, Newmarket & Central Ontario

Roof Replacement Done Right The First Time

Your roof does more than keep the rain out. It protects your home, your family, and everything inside. When it's time for a roof replacement, you want it done with the right materials, the right team, and the right process from start to finish.

T. Simpson Roofing has been replacing roofs across Barrie, Newmarket, and Central Ontario since 1992. As a Master Elite™ Contractor, a distinction held by only 2% of roofing contractors in North America, we bring a level of skill, accountability, and quality to every roof replacement that most companies simply can't match.

How Do You Know It's Time for a Roof Replacement?

Not every roofing problem calls for a full replacement but there are some signs that make it clear that repairs alone won’t cut it. Here’s what to watch for:

Your roof is aging.

Most asphalt shingle roofs have a lifespan of 20 to 30 years. If yours is approaching or past that range, a replacement is likely the smarter long-term investment.

You're seeing widespread shingle damage.

Cracking, curling, or missing shingles across large portions of the roof signal that the material has run its course.

You're dealing with recurring leaks.

If you've repaired the same areas more than once and water keeps finding its way in, the problem is likely systemic and not isolated.

There's granule loss in your gutters.

Heavy granule buildup in your eavestroughs is a sign your shingles are breaking down and losing their protective capability.

Your energy bills are creeping up.

A failing roof affects your home's insulation and ventilation, which often shows up first on your heating and cooling costs.

There's visible sagging or structural concerns.

Sagging areas, soft spots, or daylight visible from the attic are serious warning signs that go beyond surface-level repairs.

Not Sure If You Need a Roof Replacement?

Let our experts take a look. We'll assess your roof's condition and give you an honest recommendation.

Our Roof Replacement Process

A roof replacement is a significant project, and we think you should know exactly what to expect. Here’s how we approach every job:

1.

Free Consultation + Inspection

We inspect your entire roof including shingles, underlay, flashing, ventilation, and eavestroughs and tell you exactly what we find.

2.

Transparent Quote

You'll receive a detailed quote outlining materials, scope of work, timeline, and cost. No vague estimates, no surprise add-ons.

3.

Material Selection

We'll walk you through your shingle and material options, helping you choose the right product for your home's style, your budget, and Central Ontario's climate.

4.

Complete Tear-Off

We remove every layer of old roofing material down to the underlay. No shortcuts, no layering over old shingles. This gives your new roof a clean, solid foundation.

5.

Underlay Inspection + Repairs

Once the old material is off, we inspect the roof underlay for any damage, rot, or soft spots and address them before anything new goes on.

6.

Professional Installation

Your new roof is installed to manufacturer specifications by our trained, certified team, ensuring your material warranty is fully valid.

7.

Full Cleanup

We treat your property with respect. Every nail, every shingle scrap, every piece of debris is cleared before we leave.

8.

Final Walkthrough

Before we close out the job, we walk you through the completed work and make sure you're completely satisfied.

Why Homeowners Across Central Ontario Choose T. Simpson

Master Elite™ Certified

Less than 2% of roofing contractors in North America earn this designation. It means every job we do is held to the highest standards in the industry.

Warranties That Mean Something

Every roof replacement is backed by a 50-year material warranty and a 25-year labour warranty. We stand behind our work long after the job is done.

30+ Years of Experience

Since 1992, we've been protecting homes across Central Ontario. We know this region, its climate, and what it takes to build a roof that lasts here.

Financing Options Available

A roof replacement is a significant investment. We offer flexible financing so you can get the quality your home deserves without the financial stress.

Want to learn more about who we are before getting started?

Roof Replacement FAQs

A roof replacement is a big decision. Here are the answers to the questions most homeowners ask before getting started.

How long does a roof replacement take?

Most residential roof replacements are completed in one to two days, depending on the size and complexity of the roof. We'll give you a clear timeline before work begins.

Do I need to be home during the replacement?

You don't need to be home for the work itself, but we do ask that someone is available at the start of the job for a final walkthrough and to address any questions.

What's the difference between a repair and a replacement?

A repair addresses specific damaged areas, while a replacement involves removing and reinstalling the entire roofing system. We'll always recommend the option that makes the most sense for your roof's condition and your long-term budget.

Will a new roof increase my home's value?

Yes, a roof replacement is consistently one of the highest-return home improvement investments. A new roof improves curb appeal, passes home inspections cleanly, and gives buyers confidence.

Do you handle the cleanup?

Completely. We remove all old materials, collect debris, and do a magnetic sweep for nails before we leave your property.

Can you help with an insurance claim for my roof replacement?

Absolutely. If your replacement is the result of storm or weather damage, we work directly with your insurance provider to document the damage and help streamline the claims process.

What Our Customers Are Saying

Ready to Join Them?

Get the same quality, care, and craftsmanship that our customers keep talking about. Request your free quote today.

Serving Barrie, Newmarket & All of Central Ontario

T. Simpson Roofing operates out of two locations in Barrie and Newmarket, giving us strong coverage across the region.

Simcoe County: Barrie, Innisfil, Bradford West Gwillimbury, Collingwood, and surrounding communities.

York Region & GTA North: Newmarket, Aurora, East Gwillimbury, Georgina, Richmond Hill, Markham, Stouffville, and Uxbridge.

No matter where you are in our service area, you get the same quality materials, the same certified installation, and the same commitment to getting it right.

Certifications + Results = Proof of Our Commitment to Quality

When it comes to your roof replacement, you deserve more than promises. Our certifications are proof that T. Simpson Roofing is held to the highest standards in the industry and that we consistently meet them.

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Get a Free Roof Replacement Quote

Ready to move forward or just want to understand your options? We're here to help. Contact T. Simpson Roofing today for a free, no-obligation consultation and quote.