How Long Does a Windshield Replacement Take? (Ontario, 2026)

The most common scheduling question we get isn’t about price, it’s: how long is this going to take? Drivers want to know whether they can fit a replacement around the school run, a lunch break, or a half-day at the shop. The honest answer is “less than you think, but here’s what eats time when it does.”

The headline number

For most vehicles, a windshield replacement at your driveway is about 60 to 90 minutes from setup to safe drive-away. That’s the modal experience. It includes removing the old glass, prepping the frame, setting the new windshield in urethane, and the minimum safe drive-away time before the vehicle is road-ready.

A few categories run longer:

• Newer vehicles needing ADAS calibration add 30 to 60 minutes for the calibration procedure.
• Older or heavily-corroded frames can add 20 to 30 minutes for pinch-weld prep.
• Trucks and large SUVs with heavy windshields take a few extra minutes per step but rarely change the total significantly.

So a realistic window for a modern vehicle is 90 to 150 minutes, start to finish, on-site.

What’s actually happening in those 90 minutes

Here’s the breakdown for a typical mobile replacement on a 2020+ sedan or SUV:

1. Setup and inspection (5–10 minutes). The van arrives, the technician confirms the VIN, the new glass matches, and inspects for any prior damage to the frame or interior trim. The vehicle gets covered with protective fender mats and a steering-wheel cover.

2. Removing the old windshield (10–15 minutes). Cowl trim and wipers come off. The old urethane is cut with a cold knife or wire, and the old glass is lifted out cleanly.

3. Pinch-weld prep (10–15 minutes). Old urethane is trimmed back to a thin, even layer. Any corrosion or paint damage on the frame edge is treated. This step is why the urethane on the new glass actually sticks, skipped or rushed prep is the single biggest cause of leaks and wind noise later.

4. Dry-fit and adhesive application (5–10 minutes). The new windshield is dry-fit to confirm correct positioning. A bead of automotive urethane is laid down on the pinch weld and the back of the glass.

5. Setting the glass (5 minutes). Two technicians lift the windshield into position. Suction handles align it precisely. It’s pressed into the urethane and held for a moment to seat.

6. Trim and cowl back on (5–10 minutes). Cowl, wipers, and trim go back exactly as they came off.

7. ADAS calibration if required (30–60 minutes). Static calibration uses a target board placed at exact distances; dynamic calibration is a road drive. Some vehicles need both. We do this on-site so there’s no second trip.

8. Safe drive-away check (15–60 minutes of cure time). The minimum cure time depends on the urethane and the temperature. We use a fast-cure urethane that is safe at 30 to 60 minutes in normal Ontario weather. We never leave until your vehicle hits its drive-away spec, that minimum cure is non-negotiable. (What “safe drive-away time” means goes deeper into this.)

What can make it take longer

A few real-world variables stretch the timeline:

• Cold weather below about 5°C slows the urethane cure. Same-day service is still possible (we adjust the urethane formula), but the cure window goes longer.
• Rust on the pinch weld (common on 10+ year old vehicles) needs to be cleaned and treated. We never skip this; rust under fresh urethane is a future leak waiting to happen.
• Aftermarket modifications (tint strips, dashcams mounted to the glass, heated wiper park areas) need to be removed and reset, adding 10 to 20 minutes.
• Specialty windshields (heated wiper grids, heads-up display, acoustic laminate) require more careful handling but rarely change the total time meaningfully.

What’s much faster

Not every glass job is a replacement. A chip repair is a 20 to 30 minute mobile visit, no curing time, no calibration, you drive immediately. If you have a fresh chip that’s smaller than a loonie and not in the driver’s primary sight line, a repair is the right call. We have a guide on chip vs crack: when can a windshield be repaired.

What slower shops are doing differently

A few habits separate the 90-minute mobile experience from the half-day-at-a-shop experience:

• Shops without on-site calibration send you to the dealership afterwards. Plan an extra two to four hours.
• Shops with no mobile fleet require you to drive to them. Add commute time in both directions, and waiting-room time during the cure.
• Shops that batch jobs through a single bay sometimes have you waiting on an earlier customer’s vehicle. Mobile doesn’t have that problem; the van is yours for the appointment.

Can you skip steps to go faster?

You can, but you’ll pay for it later. Cutting corners on pinch-weld prep causes leaks. Skipping calibration risks accidents. Not waiting out the cure can let the windshield shift before the urethane sets, voiding the bond. The 90 minutes is the right amount of time. There isn’t a faster honest way.

Bottom line

Plan for 90 minutes to 2.5 hours depending on your vehicle. We schedule mobile slots accordingly, so the appointment fits in a coffee shop, a lunch, or a half-day. The vehicle stays in your driveway, the work happens around you, and the only thing you have to do is unlock the door.

Need to schedule? Get a free quote and we’ll book a mobile slot that fits your day.