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Looking for a experienced professional caulking company to tackle your project? Get guaranteed quality results with Niagara Caulking & Firestopping. We offer professional and reliable services for a wide variety of needs, working with the dedication and craftsmanship that has earned us a reputation for excellence. Get in touch for a free quote today.

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New construction home exterior with cont

When you’re looking for top quality work, Niagara Caulking & Firestopping is here to help. Our team of professionals is available to provide a wide range of customizable colour options for all doors, windows, control joints and more, all guaranteed to meet and exceed expectations. Contact our office today to learn more about this and our other available services.

Looking for a reliable company with extensive experience in interior caulking for your next project? At Niagara Caulking & Firestopping, we stand by the excellence of our work and provide clients with personalized attention based on their specific needs. If you’re looking for professional interior caulking, please get in touch for your free quote.

Man sealing a bath or basin with silicon

At Niagara Caulking & Firestopping, our clients are our number one priority and we go the extra mile to make sure they’re completely satisfied. With this service, we’re fully prepared to tackle even the most complex projects and stand by the exceptional quality of our work. Call us today and find out more about what we can do for you.

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You probably know the issues trying to find a good business for interior and exterior re-caulking. They where great to deal with. Quick quote, scheduled job, called to confirm, arrived on time, clean work and invoiced as quoted. We did mostly exterior work this time but will have them back to redo work interior after renos. Really appreciated the attention to Covid-19 by telling us what items they where in contact with inside.

Grant Connelly


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Committed to Excellence

Welcome to Niagara Caulking & Firestopping—a family-owned caulking company dedicated to expertly assisting you with all of your home and commercial caulking needs.  

While we specialize in exterior caulking, we offer a range of services including interior caulking, firestop sealing, and smoke sealing. Whether you’re looking to seal up drafty windows, redo your bathroom caulking, or seal openings in a firestop system, we are ready to assist you with all of your projects. From new construction to emergency leak repairs, you can count on our experts to get the job done right the first time.

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