Central Ontario's Premier Exterior Company

Products and Services

Seamless Eavestroughs

Sentry Exteriors guarantees our seamless eavestroughs for the life of your home. Read More...

Gutter Guards

Sentry Exteriors is Canada's largest dealer of the world's highest rated and most effective gutter guard: Leaf Solution. Read More...

Soffit and Fascia

The soffit and fascia help maintain lower heating and cooling bills and ensure long life of your shingles and roof. Read More...

Vinyl & Aluminum Siding

Sentry Exteriors guarantees our siding with a lifetime warranty. Improve your home with vinyl or aluminum siding. Read More...


Shingle and metal roofing with a strong reputation in the roofing market and workmanship second to none. Read More...


2018 Home Show

We're at the Spring Cottage Life Show in Toronto each and every year! Come see us there.

Click Here for more information.

Sentry Exteriors Canada Click Here for a Free Quote
We Will Beat Any Competitor's Quote
Barrie: 705.487.0888
Muskoka: 705.645.8020
Toll-Free: 1.877.487.0888
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Seamless Eavestroughs | Gutter Guards | Soffit and Fascia | Vinyl & Aluminum Siding