Deck Builder Brampton

Deck Railing Code Ontario Canada

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So Deck railing must be installed on your decking, so it will not compromise the safety of any individual on the decking.

Because the Deck railing codes are vital to protect the integrity of your deck and provide the utmost levels of safety for yourself and your guests whilst enjoying your outdoor entertainment area.

But the Deck railing installation’s primary purpose if for safety. Brampton deck builder guidelines set out the minimum required deck railing height and that other specified regulations are met.

Alos the Decker’s Deck complies with the Ontario Residential Deck Railing Code at all times. The height code and other requirements for deck railing in Ontario,


Canada are based on previous building experience and the region’s climate.

The specific deck railing code requirement is that the space between the decks surface and the bottom deck rail should not be more than 4in€ (four inches). Stair Railing height should measure from the nosing of the top rail to bottom of the railing at least 34in€ (thirty-four inches).

Brampton deck builder Depending on your jurisdiction, for Ontario, the deck railing code is determined by the Ministry of Municipal Affairs and Housing Building, and Development Branch. (Check with your city’s local building authority for your specific deck railing code).

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Canada Residential Rail Height and Dimensions

A deck guard rail is required for any platform. Elevated to the height of thirty inches and more.

Building code requires all railing to be 42in height. But for the exterior. So if the height above the ground is greater than 60cm (600mm).

Interior guard rails are to be 32 to 38in height for single residential dwellings.

Multifamily dwellings and commercial require 42in€.


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Brampton deck builder

The height of that railing varies with the height above the grade:

  • Deck height greater than 24in (twenty-four inches) above grade but less than 5 feet€ 10 in required Railing 36 in high railing
  • Deck height greater than 5feet to10in above grade required a 42in high railing

If you are using other materials for your railing, such as aluminum, glass or plastic railing you will need them to be certified and stamped by a structural engineer. Only accredited companies are allowed to install glass on deck railing.


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Ministry of Municipal Affairs and Housing Building and Development Branch regulations:

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  • Maximum spacing between the bottom rail and the (deck) surface is 4” (four inches)
  • If you are using decorative elements in your railing, the maximum spacing between the bottom rail and the (deck) surface is 4in€ (four inches)
  • Stair railing height has to be a minimum 34in€ (thirty-four inches) from the top rail to the nosing

To make sure you meet height and space dimensions on your deck railing, you can also use a spacing calculator that indicated how much spacing you should have between balusters.

Ontario Building Deck Railing Code Requirements

Ontario City Building Inspectors will look at all aspects of your deck, from the foundations, handrails, and guardrails making sure that they meet minimum safety standards.

All Decker’s Deck built decking meets the required Ontario Building Code Deck Railing requirements.

It’s critical when installing your deck railing that you meet the requirements to ensure your and other’s safety.

If you feel that you can’t meet the requirements set out in the

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