Common thickness
A residential patio slab is often planned around roughly 10 cm, depending on soil, use and project requirements.
Concrete for an Outdoor Patio
Calculate how much concrete your outdoor patio requires and request a concrete delivery quote in Greater Montreal and the South Shore.
Planning a decorative patio? Try our stamped concrete calculator.
A practical solution for residential projects in Greater Montreal and the South Shore.
Include an allowance
Add about 5% to 10% to the calculated volume to cover waste, ground variation and adjustments during the pour.
Base preparation
A compacted base, solid formwork and suitable drainage help reduce the risk of cracking and movement.
Requirements can vary by project. Consult a professional to confirm the structure, thickness, reinforcement and joints needed.
Estimate volume for a patio slab
Enter the patio dimensions. The calculation uses length × width × thickness.
Which concrete should you choose for an outdoor patio?
For an outdoor patio, the mix should suit the climate, water exposure, freeze-thaw conditions and intended use. The supplier or contractor can recommend the concrete type, strength, admixtures and finish.
How do you prepare a concrete patio slab?
These steps are general. For final dimensions, structure, reinforcement and joints, confirm the plan with a qualified contractor.
- 1Determine the dimensions
- 2Prepare and compact the base
- 3Install the formwork
- 4Plan reinforcement and joints
- 5Organize delivery and pouring
- 6Complete finishing and curing
How much concrete do you need?
You need length, width, thickness and an allowance. A 4 m × 5 m patio with a 0.10 m thickness has a net volume of 2.0 m³. With a 10% allowance, the estimated volume is 2.2 m³.
How much does a concrete patio cost?
Cost depends on surface area, slab thickness, excavation, base preparation, reinforcement, concrete mix, pumping needs, site access, finishing, supplier distance and minimum delivery charges.
Get an estimate suited to my projectPatio concrete delivery in Greater Montreal
BétonDispo can receive requests for Montréal, Longueuil, Brossard, Candiac, Saint-Hubert, Boucherville, Laval, Repentigny and nearby municipalities, depending on site details and the desired date.
FAQ
What thickness should a concrete patio have?
A residential patio is often planned around a slab of roughly 10 cm, but the actual thickness depends on soil, use, loads, reinforcement and project requirements.
How do I calculate the concrete quantity needed?
Multiply length by width by thickness, with all measurements in the same unit. Then express the result in cubic metres.
Should I add an allowance to the calculated volume?
Yes. A 5% to 10% allowance is often useful for waste, depth variation and adjustments during the pour.
Can a small amount of concrete be delivered?
You can submit the request even for a small quantity. Options depend on the area, date, volume and site requirements.
Do I need a concrete pump?
A pump may be relevant if the truck cannot get close to the pour area or access is long, narrow, in a backyard or affected by elevation.
How much does patio concrete delivery cost?
Cost varies by volume, mix, minimum charges, access, distance, pumping and finishing. A quote suited to the site is needed.
What finish can I choose for a concrete patio?
The finish depends on the intended use and appearance. A contractor can recommend a finish appropriate for an outdoor surface.
How long should I wait before using the patio?
Timing depends on the mix, weather, curing and intended use. Follow the supplier or contractor recommendations.
Ready to plan your concrete patio?
Provide the dimensions, address, desired date and project details. BétonDispo will help find a delivery solution suited to your site.
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