How a Professional Asphalt Driveway Is Built in Ottawa, Step by Step
Quick Answer
A professional asphalt driveway in Ottawa is built in seven stages: site assessment, excavation, subgrade and drainage, compacted granular base, hot-mix placement, rolling to density, and finishing. The stage that matters most is compaction: the U.S. Federal Highway Administration estimates that a 1 percent increase in in-place density extends asphalt life by about 10 percent.[3] Ottawa Driveway Experts builds every driveway this way.
Most homeowners only see the last hour of a paving job: the black mat going down and the roller finishing it. The driveway that lasts, however, is decided by the days of work before that, mostly underground and out of sight. This is the sequence Ottawa Driveway Experts follows, and the reasoning behind each step.
Step 1: Site assessment
Every job starts on the property. We look at slope, where water currently goes, the condition of any existing base, tree roots, utilities, and how equipment will reach the driveway. Pierre assesses each property personally, because the correct build for a flat lot in one neighbourhood is not the correct build for a sloped lot in another. Quotes are prepared on site, never over the phone.
Step 2: Excavation
Unsuitable material comes out. Topsoil and organic matter hold water and settle, so they cannot sit under a driveway. We excavate to the depth needed to build a proper base and still finish at the right height against your garage, walkway and street.
Step 3: Subgrade and drainage
Water is the enemy of every Ottawa driveway. Frost heave needs three things at once: frost-susceptible soil, available water, and freezing temperatures.[1] We cannot change the winter, and we often cannot change the soil, but we can control water. Shaping the subgrade so water leaves the driveway, instead of pooling under it, removes the second ingredient. We cover the full mechanism in why Ottawa driveways fail.
Step 4: The compacted granular base
The base is the structure. It spreads vehicle weight across the soil and gives water a path out. We build it from crushed granular stone placed in layers and compacted layer by layer, not dumped in one pass. Skipping or shortening this step is a leading reason driveways fail within a few winters. A driveway can look perfect on day one with a weak base underneath.
Step 5: Hot-mix asphalt placement
We use commercial-grade hot-mix asphalt. It is delivered hot and must be placed and compacted before it cools. The Minnesota Department of Transportation puts it plainly: asphalt placed in cool weather stiffens too quickly to compact properly, and thicker lifts and hotter mix lengthen the window available for compaction.[2] That is why paving season, crew speed and truck timing matter. For when to book, see the best time to pave a driveway in Ottawa.
Step 6: Rolling to density
Compaction squeezes air out of the asphalt and locks the mat together. The FHWA's Phase 2 demonstration project on in-place density estimated that each 1 percent increase in density extends service life by about 10 percent, conservatively, and improves fatigue and rutting performance.[3] Density is the one result the homeowner cannot see but pays for every year. We roll while the mat is still workable and finish the edges and joints by hand, because edges and seams are where driveways start to ravel.
Step 7: Finishing and handover
We check grades, tie the new surface cleanly into your garage apron and street entrance, and build lips and ramps where water or vehicles need a smooth transition. Then we tell you how long to keep vehicles off the surface and what to expect as the asphalt cures. A new driveway needs time to cure before it is sealed, and we advise you on the right moment for your driveway.
What this process protects you from
- Early cracking and settlement, from weak or uncompacted base.
- Ponding and winter ice, from poor grading and drainage.
- Raveling edges and open seams, from rushed hand-work.
- Premature replacement, from low density in the finished mat.
The Ottawa Driveway Experts standard
Ottawa Driveway Experts is the family-owned driveway division of Chevrier Group, led by Pierre Chevrier, with more than ten years of experience and 100+ driveways completed in Ottawa and surrounding areas. We are fully insured, we back our work with a written satisfaction guarantee, and we treat the seven steps above as non-negotiable. If you are comparing contractors, use our nine-point contractor checklist.
See the process on your own property
Pierre will walk your driveway, explain exactly how it should be built, and give you a clear written scope. There is no pressure and no obligation.
Frequently asked questions
What are the steps to install an asphalt driveway?
A professional install runs through site assessment, excavation, subgrade and drainage shaping, a compacted granular base, hot-mix asphalt placement, rolling to density, and finishing the edges, joints and transitions.
Why does compaction matter so much?
Density drives durability. The U.S. Federal Highway Administration estimates a 1 percent increase in in-place density extends asphalt service life by about 10 percent, conservatively.[3]
Why can't asphalt be laid in cold weather?
Hot-mix asphalt must be compacted while it is still hot. In cool weather it stiffens too quickly to compact properly.[2] Paving in Ottawa is best done in the warm months.
What is under a good asphalt driveway?
A properly excavated and graded subgrade topped with compacted granular stone base. The base spreads load and lets water drain away from the asphalt.
Sources
- CBD-182: Frost Action and Foundations (K.N. Burn, 1976). National Research Council Canada, Division of Building Research. https://web.mit.edu/parmstr/Public/NRCan/CanBldgDigests/cbd182_e.html
- PaveCool. Minnesota Department of Transportation. https://www.dot.state.mn.us/app/pavecool/index.html
- FHWA Demonstration Project for Enhanced Durability of Asphalt Pavements through Increased In-place Pavement Density, Phase 2 (FHWA-HIF-19-052, 2019). U.S. Federal Highway Administration. https://www.fhwa.dot.gov/pavement/pub_details.cfm?id=1096
Written by Pierre Chevrier, owner of Ottawa Driveway Experts, the driveway division of family-owned Chevrier Group in Ottawa, Ontario. Last reviewed October 9, 2026. Outside facts are cited above; statements about how we work come from our own practice. Project assessments and quotes are always provided on site.