Interlock Metal Roofing Installs in St. Thomas, ON
Interlock has completed 35 metal roofs in St. Thomas, ON. Local projects span 3 roof profiles (Slate, Shingle, Cedar Shingle) and were installed between 1998 and 2021. St. Thomas sees cold winters, heavy snowfall and repeated freeze–thaw cycles. An Interlock aluminum roof is lightweight, fire-resistant and wind- and hail-rated, so it sheds snow, resists ice-dam damage and won't crack through freeze–thaw — all backed by a lifetime limited warranty.
Roof profiles installed in St. Thomas
Colours chosen in St. Thomas
Other Ontario communities
★ 5.0 average from 5 verified reviews
Customer Reviews
What customers say in St. Thomas, ON
★★★★★I wish the guy had a helper. Feel bad for him noting stage of life should have at least an assistant Overall I am happy.
★★★★★Is there any incentives for discounts. Quote was 22,500 willing to pay 20000
★★★★★#6 above per the description given of the materials by the sales rep. vs. competition.#7 above; I only mention this as the installation at the neighbouring property was noticeably 'tighter' to the roof-line than mine. We've experienced some moderate to heavy precipitation since the installation, so far, so good.
★★★★★Warmer weather - it was -30c during installation.
Recent Interlock projects in Ontario






Considering a metal roof in St. Thomas?
Join your neighbours with a lifetime Interlock aluminum roof — lightweight, fire-resistant and backed by a lifetime limited warranty.
Call 1-866-780-8247 for a free quoteFrequently asked questions
How many Interlock roofs are in St. Thomas, ON?
Interlock has completed 35 metal roofs in St. Thomas, ON.
What is the most popular Interlock roof profile in St. Thomas?
Slate is the most-installed Interlock profile in St. Thomas, ON, based on completed projects.
Is metal roofing a good choice in St. Thomas, ON?
St. Thomas sees cold winters, heavy snowfall and repeated freeze–thaw cycles. Interlock aluminum roofing is fire-resistant, wind- and hail-rated and sheds snow, resists ice-dam damage and won't crack through freeze–thaw, which is why 35 St. Thomas homeowners have chosen it.
How long does an Interlock metal roof last?
Interlock aluminum roofing is a lifetime system backed by a lifetime limited warranty — it is designed to be the last roof you install.
Can I get a free metal roof quote in St. Thomas?
Yes — call 1-866-780-8247 for a free, no-obligation quote in St. Thomas, ON.
How much does a metal roof cost in St. Thomas, ON?
Metal roofing is a premium, lifetime investment, so pricing depends on roof size, pitch, profile and complexity. Interlock provides free, no-obligation quotes for St. Thomas homes — call 1-866-780-8247.
How does a metal roof compare to asphalt shingles in St. Thomas?
Asphalt shingles typically last 15–25 years and are replaced multiple times; an Interlock aluminum roof is a lifetime system backed by a lifetime limited warranty, designed to be the last roof you install.