It's probably the most common question we get during a quote. The honest answer fits in one sentence: the lifespan of a caulking joint varies with the product used, surface preparation, exposure and installation conditions. The three factors that really make the difference are broken down here. For a shortcut, our FAQ also covers warranty and pricing questions.
Lifespan by sealant type
The product choice sets the theoretical lifespan ceiling. A well-installed latex will never outlast a well-installed silicone — product chemistry sets the limits.
- Silicone: 15 to 20 years. Most durable, ideal for areas exposed to moisture and extreme temperatures.
- Polyurethane: 10 to 15 years. Very adhesive and flexible, excellent for masonry joints and irregular surfaces.
- Acrylic: 5 to 10 years. Less durable but easy to apply and paint. Suitable for interior joints.
- Latex: 3 to 5 years. Least durable, avoid for exterior or high-exposure areas.
On a residential project in Montreal, we almost always favour silicone or polyurethane outside. It costs more upfront, but the difference vanishes by year two compared to a latex you'll be redoing every 3-4 years.
What shortens the lifespan
- South exposure: UV rays degrade sealant faster on sun-facing facades.
- Freeze-thaw cycles: In Quebec, temperature swings stress joints and accelerate cracking.
- Poor preparation: Caulking applied on a dirty or damp surface won't last long.
- Structural movement: Shifting foundations create tension on joints, especially around windows.
- Old sealant not removed: Applying new product over old is the #1 cause of premature failure.
If you already see one of these symptoms on your joints, our article 5 signs it's time to recaulk helps you decide between a spot repair and a full replacement.
How to maximize lifespan
- Hire professionals who properly prepare surfaces — that's where 80% of the result is decided.
- Choose the right product based on location (interior vs exterior, brick vs aluminum).
- Have your caulking inspected every 3 to 5 years to catch problems early.
- Always apply on a dry surface, free of frost and ice. With a professional silicone, cold is not an obstacle: moisture is what keeps the sealant from bonding.
- Fully remove the old sealant before the new bead. See our how to caulk properly guide for the method.
When should you redo it?
There's no universal deadline. A silicone joint shaded from the sun and well-installed can pass 20 years, while an acrylic joint on a south-facing wall may need redoing by year 6. Two simple rules:
- Annual visual check in spring, after the thaw — that's when winter damage shows.
- Screwdriver test: if the joint crumbles, cracks or peels off easily, it's at the end of its life even if it "looks OK" from a distance.
For an honest assessment of your joints — or to learn our warranties — visit our caulking service page or read 8 reasons to replace old caulking.
At Protek Calfeutrage, we use professional-grade products and carefully prepare every surface. Result: caulking that lasts — and comes with a warranty.