Our asphalt driveway has turned grey and faded after just a few years - is that normal and can it be fixed?

Grey, faded asphalt is one of the most common concerns Ottawa homeowners bring up, and the good news is it is completely normal and very fixable.

Why Asphalt Fades

Fresh asphalt is deep black because the liquid asphalt binder coating the aggregate stones is rich in oils called maltenes. Over time, ultraviolet radiation from the sun oxidizes these oils, turning them brittle and grey. This process is called oxidation, and it happens everywhere, but Ottawa's climate accelerates it. The combination of intense summer sun, extreme winter cold, road salt exposure, and over 200 centimetres of annual snow cover creates a punishing cycle. Most Ottawa driveways start showing noticeable greying within 2 to 4 years, and by year 5 or 6 without sealcoating, the surface can look washed out and rough.

Fading Is More Than Cosmetic

While the grey colour itself is just an appearance issue, the underlying oxidation is weakening your driveway. As the binder loses its oils, it becomes brittle and less able to flex with Ottawa's freeze-thaw cycles. Small cracks develop more easily, water gets into the base, and the deterioration accelerates. Think of fading as an early warning that your driveway needs attention before structural damage begins.

Sealcoating Restores and Protects

A quality coal-tar or asphalt-emulsion sealcoat will restore the deep black colour immediately and, more importantly, replenish a protective barrier against UV rays, water, salt, and petroleum drips. In Ottawa, sealcoating should be done every 3 to 5 years depending on sun exposure and traffic. South-facing driveways in neighbourhoods like Barrhaven and Riverside South fade faster because of direct afternoon sun exposure, so they may benefit from more frequent applications.

Cost of Sealcoating in Ottawa

Professional sealcoating for a standard two-car Ottawa driveway runs $350 to $700, with larger driveways or those needing crack filling first running up to $900 to $1,200. This is a fraction of the $8,000 to $12,000 cost of replacement and adds years of service life. The best time to sealcoat in Ottawa is between late May and early October when overnight temperatures stay above 10°C for proper curing.

DIY vs. Professional Application

Big-box store sealers applied by homeowners can help, but professional-grade sealcoat applied with a spray system and squeegee by an experienced crew provides a much more uniform, durable coating. Professional applicators also know to clean the surface thoroughly, fill cracks first, and apply two thin coats rather than one thick coat that peels.

When Sealcoating Will Not Help

If your driveway has extensive alligator cracking, deep potholes, or significant settling, sealcoating is just cosmetic and will not address the structural issues underneath. In those cases, resurfacing or replacement is the better investment.

Reach out through Ottawa Driveways to connect with local sealcoating and paving professionals who can assess your driveway's condition and recommend the right treatment.

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Looking for experienced contractors? The Ottawa Construction Network connects Ottawa homeowners with qualified professionals:

• Luxe Painting and Renovations
• RenoMotion Inc.
• Ottawa Caulking
• ARTEXPRO Tile & Finishes
• Pure Flow Water Solutions inc.