Caulking pricing is probably the most opaque question in the trade. Two similar homes can get very different quotes — and nobody knows why. This guide breaks down the real factors that make up the price in 2026 — no vague ranges, no "it depends" without explanation.
0%
interest
12-month financing available
Spread the cost of your caulking project with no interest charges. A simple way to protect your home right now.
The three ways caulking is billed
Per window
30–60 $
Standard window, all inclusive
Per linear foot
3–8 $
Brick, doors, sills
Whole-home flat rate
Custom quote
Based on actual joint measurement
Most serious contractors bill per linear foot or with a flat rate. "Per window" pricing is convenient for comparison, but every window has a different perimeter — that's why an honest quote always includes on-site measurement.
What makes the price vary
- Sealant used: professional silicone costs 3 to 4 times more than low-grade acrylic. See our silicone vs polyurethane comparison.
- Old joint removal: this hidden line item explains 30% of price gaps. A cheap quote often skips it, guaranteeing another redo in 3 years.
- Access: a 2nd storey on a ladder is standard; a 3rd storey needs scaffolding or a lift, which increases labour time and equipment.
- Building type: Montreal condos often require a specific contract and extended liability insurance.
- Season: June to September = peak, full rates. April-May or October = more flexibility.
Three pitfalls to avoid in a quote
- Round price over the phone. No serious pro quotes a project without measuring. A "$300 for the whole house" is either a mistake or bait to sell you something else.
- 100% payment upfront. A 20-30% deposit at signing is standard. Paying full before work starts is a red flag.
- No RBQ licence. Without a licence, no recourse if something goes wrong. Our RBQ licence 5869-2401-01 is verifiable online.
Is it worth the price?
Professional caulking well applied lasts 15 to 20 years (see our article on caulking lifespan). Spread over 15 to 20 years, the annual cost is often less than a single plumber's visit for a leak caused by an old failing joint.
If you already see signs of deterioration, our guide 5 signs it's time to recaulk helps you decide between a spot repair and a full replacement.
Frequently asked pricing questions
What is the average caulking price in Quebec?
In 2026, budget $30 to $60 per standard window all-inclusive (labour, product, old sealant removal) and $3 to $8 per linear foot for special joints. The total cost depends on the number of windows, building type and access: an on-site quote is the only way to get a firm price.
Is caulking cheaper in summer?
No. The price is calculated the same way year-round: joint length, condition of the old sealant, access. The best time to caulk is now, whatever the season: we also caulk in fall and winter on dry surfaces, and we always have room for a new project.
Why do quotes vary so much?
Three reasons: sealant type (premium silicone vs latex), whether old joint is removed (critical for durability), and access difficulty (scaffolding vs ladder). A too-low quote often hides one of those three shortcuts.
Are there subsidies for caulking?
Yes. Rénoclimat and some Hydro-Québec programs may cover part of air-sealing work if a blower-door test is done before and after. We help you document the work for the application.
More questions on warranties and lead times? See our full FAQ or our caulking service page.
At Protek, on-site quotes are free with no obligation. We measure, identify critical areas, and you leave with a firm price — not a ballpark.