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Gerry's Roofing & Siding Inc

Roofing Company in Hamilton, Ontario.

Gerry's Roofing & Siding Inc is a roofing company based in Hamilton, ON. Its listed services include roof repair, roof replacement, roof inspection and metal roofing. Its IKO manufacturer certification is reported by the company and not yet verified, so check it with IKO before work starts.

4.7on Google · 917 reviews46 years in business
  • TenBestFind Reviewed
  • Top 10 Winner
  • iWhat do these badges mean?
    TenBestFind Reviewed
    Our editorial team has researched and reviewed this business.
    Verified Business
    Key business information or ownership has been verified against a primary source.
    Top 10 Winner
    The company currently appears in at least one active TenBestFind Top 10 ranking.
    Featured Partner
    A paid commercial relationship with TenBestFind. It never earns or influences a ranking position. This company holds no such relationship.

    Advertising & Sponsorship Disclosure

Quick Overview

iHow this is made

This summary is generated from the verified data on this profile: services, service area, credentials, warranty terms and the company's Google review record. It is reviewed by an editor before publishing and refreshed whenever the underlying data changes. Nothing here is asserted that is not stated elsewhere on this page.

Editorial Standards

Gerry's Roofing & Siding Inc has been working on Hamilton roofs since 1980, when Gerry St. Germain started the company on Morley Street. Joel Knight, who joined as an installer and moved into estimating in 2010, now owns it with his wife Karena, and Gerry stays on as an advisor. The company says it has completed more than 30,000 roofing and exterior jobs. It installs asphalt shingles, Euroshield rubber roofing, Ontario Metal Products metal roofing, flat and low-slope roofs and Velux skylights, and it holds IKO and Euroshield manufacturer certification. Siding, windows, doors and eavestroughs are offered too. Its workmanship warranty is transferable, financing runs through Financeit, and the showroom at 49 Morley Street is open seven days a week. Google shows 4.7 from 917 reviews, read October 13, 2026.

  • Best for hamilton homeowners who want a long-established roofer that also does siding, gutters and skylights
  • Operating in Hamilton since 1980 under founder Gerry St. Germain, now owned by Joel and Karena Knight
  • Warranty excludes storm damage, weather and manufacturing defects, and the site states no WSIB number, so request the clearance certificate

Company Facts

Gerry's Roofing & Siding Inc at a Glance

By the numbers

Google rating
4.7out of 5
Customer reviews
917on Google
In business
46years

Rating and review count pulled from Google on October 13, 2026. Years counted from 1980.

The work

Best for
Hamilton homeowners who want a long-established roofer that also does siding, gutters and skylights
Primary service
Roofing

Where

Headquarters
Hamilton, ON
Service area
Hamilton
Emergency service
Not advertised

Money and guarantees

Free estimates
Yes
Financing
Available
Workmanship warranty
Transferable lifetime workmanship warranty for the original homeowner covering installation defects. New homeowners get up to 20 years if they occupy the home. Roof replacement coverage includes valleys, flashings and vents. Storm damage, weather, moisture and manufacturing defects are excluded.

Credentials

IKO manufacturer certification
IKO manufacturer certification (reported by the company, not verified)

Editorial Review

Our Take on Gerry's Roofing & Siding Inc

Gerry's Roofing & Siding has been on Hamilton roofs since 1980, and 917 Google reviews at 4.7 suggest the volume has not hurt the service. It is a multi-trade exterior company rather than a roofing-only shop, which suits homeowners bundling siding or gutters. The main caution is scheduling, since one customer was told the wait could run a few months.

Best forHamilton homeowners who want a long-established roofer that also does siding, gutters and skylights

What We Like

  • Operating in Hamilton since 1980 under founder Gerry St. Germain, now owned by Joel and Karena Knight
  • Reports more than 30,000 completed jobs and 4.7 from 917 Google reviews
  • IKO and Euroshield manufacturer certification, plus Ontario Metal Products metal roofing and Velux skylights
  • Transferable lifetime workmanship warranty, with up to 20 years for the next homeowner
  • Showroom at 49 Morley Street open seven days, with Financeit payment plans

Things to Consider

  • Warranty excludes storm damage, weather and manufacturing defects, and the site states no WSIB number, so request the clearance certificate
  • Roofing sits beside siding, windows and doors, so ask who will crew your roof
  • One reviewer was quoted a wait of a few months, and no 24-hour emergency service is advertised

Customer Ratings

Google Reviews for Gerry's Roofing & Siding Inc

Customer ratings shown here come from Google. They are separate from our editorial review above.

Google rating

4.7

Based on 917 Google reviews

Review data updated October 13, 2026

View on Google Maps

Rating Distribution

  • 5 stars90%
  • 4 stars3%
  • 3 stars0%
  • 2 stars1%
  • 1 star5%
iAbout this distribution

The distribution reflects the 917 Google reviews available when this profile's review data was last refreshed on October 13, 2026. Ratings and counts change continuously on Google, so figures here may lag the live profile slightly. We publish only the values returned by the source, never estimates for missing bands.

Editorial Standards

Recent Google Reviews

  • S. Sen1.0

    Quoted $3,000 for a regular window replacement.

    October 2026Google
  • Anne Catterson5.0

    Very professional. Work done on time and clean up was really well done.

    October 2026Google
  • John Marx5.0

    Kept me well informed and delivered on every promise in a timely manner from quote to installation. A very professional team.

    October 2026Google
  • Wojtek Stepien5.0

    Gerry's was recommended to us by a friend, which was why we had them quote. The experience we had with Alex during the sales process was the reason we went with them for the job. Super happy with the work that Rob and his crew completed. Would recommend Gerry's if you're looking for a quality and long term support after the job is complete. Will be going with Gerry's for our future projects as well.

    October 2026Google
  • Rolph Arsenault5.0

    I had eaves and fascia replaced and it was great working with Gerry's. The crew were friendly and respectful. They made quick work of it.

    October 2026Google
  • Sandra Rodrigues5.0

    We received exceptional service and care from Gerry's Roofing & Siding from start to finish. The initial inspection and consultation was very thorough and transparent. The roofing team completed our new roof in one day, and the disposal bin was removed promptly the next day. The final inspection went smoothly. There was clear communication all throughout the process. The quality workmanship, clear lines of communication, care and service were worth every penny. You can't beat the lifetime warranty. We wouldn't hesitate to recommend Gerry's Roofing & siding to anyone, you won't be disappointed.

    September 2026Google

View more Google reviews

Ranked#5of 10 roofing companies in Hamilton, ONre-checked October 2026

Editorial Ranking

Why Gerry's Roofing & Siding Inc Made Our Top 10

It holds position 5 in 10 Best Roofing Companies in Hamilton, ON (2026).

See the Full Hamilton RankingPositions cannot be bought

Areas Served

Based in Hamilton, ON.

iAbout service coverage

Coverage is as the business describes it, cross-checked against where its recent documented work is. A company will often travel beyond the areas listed here for a large job and decline a small one at the same distance, so confirm your address before scheduling.

Editorial Standards

Company Background

About Gerry's Roofing & Siding Inc

Gerry's Roofing & Siding Inc has been a Hamilton roofing name since 1980, when Gerry St. Germain turned a summer roofing job into his own company. He later sold the business to long-time employee Joel Knight, who started as an installer in 2003, moved into estimating in 2010 and now owns the firm with his wife Karena. Gerry remains as an advisor. The shop and showroom sit at 49 Morley Street, in the Parkview West area, and the company reports more than 30,000 completed jobs.

Roofing is the core of the business. The crews install asphalt shingles, Euroshield rubber roofing, Ontario Metal Products metal systems, and flat or low-slope roofs on additions, and they also handle repairs and inspections. Velux skylights and sun tunnels and Owens Corning blown-in attic insulation round out the roof work. The company holds IKO and Euroshield manufacturer certification, and it also sells siding, windows, doors and eavestroughs, so a homeowner can bundle projects. Regular work reaches Ancaster, Dundas, Stoney Creek, Waterdown, Flamborough and Mount Hope, as well as nearby towns.

Reviewers praise communication and tidy sites. Erin hired the crew for a garage roof and noted they worked through rain. Bruce named Iain, Mason, Alex and Riley as an organized crew, and Heather singled out Matt. Several customers mention quoting staff such as Jeff, Connor and Brandon. One reviewer was told the wait for work could stretch a few months, so ask about scheduling early.

The warranty is transferable and covers installation workmanship for the original owner, with up to 20 years for the next owner. It excludes storm damage, weather and manufacturing defects, which fall to the manufacturer. Financing is arranged through Financeit, and the company advertises six months no interest on projects through October.

Gerry's Roofing & Siding Inc holds 4.7 from 917 Google reviews, read October 13, 2026.

It suits homeowners who want an established Hamilton roofer with a showroom and a bundled exterior package. It suits less well anyone shopping only for the lowest price on a small repair, or who needs an emergency tarp, since the site does not promise 24-hour service. Before booking, ask for the WSIB clearance certificate, which can be checked on the WSIB site, and proof of liability insurance, and confirm the IKO certification with the manufacturer.

iWhere this information comes from

Company history, ownership and capability details on this page are provided by the business and reviewed by our editors for plausibility and consistency. They are not the same as the credentials block, where each item carries its own verification status and source.

Editorial Standards

Credentials

  • IKO manufacturer certificationIKOReported
  • Euroshield manufacturer certificationEuroshieldReported
  • A+ Better Business Bureau ratingBetter Business BureauReported
  • HomeStars Best of AwardHomeStarsReported
iWhat verified means here

Verified means we checked the credential against the authority that issues it and recorded the date. Reported means the business told us and we could not independently confirm it. We publish both, labelled, rather than dropping what we could not check.

Editorial Standards

Other Sources

Reputation by Source

We show each source separately rather than blending them into a single score, because they measure different things.

  • Google

    4.7/ 5

    917 customer reviews

  • TenBestFind

    Editorially reviewed

    Ranked #5 in Hamilton roofing, October 2026

Pricing

Company Pricing & Estimates

What this company publishes about its own pricing.

Free estimates
Yes
Financing
Available
Workmanship warranty
Transferable lifetime workmanship warranty for the original homeowner covering installation defects. New homeowners get up to 20 years if they occupy the home. Roof replacement coverage includes valleys, flashings and vents. Storm damage, weather, moisture and manufacturing defects are excluded.

Hamilton benchmark

Local Market Pricing

What Hamilton homeowners generally pay, independent of this company.

1,500 sq ft roof, architectural shingle
$7,000 to $11,000
2,000 sq ft roof, architectural shingle
$9,000 to $14,000
2,500 sq ft roof, architectural shingle
$11,500 to $17,500
3,000 sq ft roof, architectural shingle
$13,500 to $21,000

How much does a roof replacement cost?

Gallery

Project Photos

Business-submitted, reviewed by our editors

  • Gerry's Roofing & Siding IncGerry's Roofing & Siding Inc
  • Gerry's Roofing & Siding IncGerry's Roofing & Siding Inc
  • Gerry's Roofing & Siding IncGerry's Roofing & Siding Inc
  • Gerry's Roofing & Siding IncGerry's Roofing & Siding Inc

Compare

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Gerry's Roofing & Siding Inc FAQs

  • Is Gerry's Roofing & Siding licensed, insured and WSIB covered?

    The company states that its team is licensed and insured, but its website does not publish a WSIB number or insurance details. Ontario does not license roofers provincially, so ask for the WSIB clearance certificate, which can be verified on the WSIB site, and proof of liability insurance. The company holds IKO and Euroshield manufacturer certification, which you can confirm with the manufacturers.

  • What are Gerry's Roofing & Siding's hours, and do they do emergency roof repair?

    The showroom at 49 Morley Street in Hamilton is open Monday to Friday 7:00 AM to 9:00 PM and Saturday and Sunday 9:00 AM to 5:00 PM. The company works year-round and handles leak repairs, but its website does not advertise 24-hour emergency service. Call (905) 549-7112 to ask about urgent leaks.

  • What warranty and financing does Gerry's Roofing & Siding offer, and where does it work?

    It offers a transferable lifetime workmanship warranty covering installation for the original owner, with up to 20 years for the next homeowner. Storm damage and manufacturing defects are excluded and fall under the manufacturer's warranty. Financing runs through Financeit, and the company serves Hamilton, Ancaster, Dundas, Stoney Creek, Waterdown, Flamborough and Mount Hope, plus nearby towns.

  • Is Gerry's Roofing & Siding Inc licensed and insured?

    We checked 0 of 4 credentials against the issuing authority. Verified items carry the date we checked; reported items are what the business told us and we could not independently confirm.

  • What areas does Gerry's Roofing & Siding Inc serve?

    Hamilton. Coverage is as the business describes it, cross-checked against where its recent documented work is. Confirm your address before scheduling, particularly at the edge of a service area.

  • Does Gerry's Roofing & Siding Inc offer emergency service?

    Emergency availability is not listed for this company. If you need an urgent call-out, check the ranking for companies that do list it.

  • What warranty do they offer?

    Transferable lifetime workmanship warranty for the original homeowner covering installation defects. New homeowners get up to 20 years if they occupy the home. Roof replacement coverage includes valleys, flashings and vents. Storm damage, weather, moisture and manufacturing defects are excluded.. There are usually two warranties on a job: the manufacturer covers materials, the contractor covers workmanship. Get both in writing and check whether the workmanship coverage transfers if you sell.

  • How was this profile built?

    Credentials come from issuing authorities, ratings from the company's Google Business Profile with the date we read them, and the editorial take from our own review of estimates, warranty documents and public feedback. Anything the business told us is labelled as reported.

  • Can a business pay to improve its profile?

    A business can subscribe to manage its own listing details, and it can buy a labelled sponsored placement. Neither changes a ranking position or the editorial assessment on this page.

Is Something Incorrect?

Business information changes. Tell us about an address, phone, website, service area, credential or ownership change, or let us know if this company has closed.

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Claiming lets you correct and maintain the factual information on this profile. Claiming or upgrading a profile does not guarantee inclusion in a TenBestFind ranking and never affects ranking position, which is decided editorially.

How We Rank

About This Business Profile

Last reviewed
October 2026
Profile last updated
October 31, 2026
Google review data updated
October 13, 2026
Sources checked
Issuing authorities, Google Business Profile, Company website
Could not verify
IKO manufacturer certification (reported only), insurance
Sponsorship status
No commercial relationship
Gerry's Roofing & Siding Inc4.7 on Google · Hamilton, ONVisit Website