Layout and use
Confirm deck size, height, stairs, doors, intended loads and any roof, privacy screen or equipment included in the concept.
Residential and commercial building services
Deck design and structural engineering.
Permit-ready drawings for foundations, framing, connections, stairs and guards designed around the house and site.
PEO licensed Professional engineering practice30+ years Engineering and building experienceFixed pricing Up front for the agreed written scope
Clear definition
What does an engineered deck design include?
A deck is an exterior structure that carries people, furniture, snow and guard loads while being exposed to moisture, temperature changes and frost. The design establishes how those loads move through joists, beams, posts, foundations and connections.
The attachment to the house, or the decision to make the deck freestanding, is especially important. Ledger connections, existing wall construction, doors, stairs, guards and property constraints must be coordinated rather than selected as isolated details.
What the design addresses.
The exact review, drawings and calculations depend on the building and the work described in the written proposal.
Foundations and frost
Design footings, piers or approved foundation systems for the loads and site conditions within the agreed scope.
Framing and connections
Size joists, beams and posts and specify critical bearing, fastening, ledger and lateral connections.
Stairs and guards
Coordinate geometry, openings, loads and attachment of exterior stairs and required guards.
Common project types
Where this service is used.
- Attached and freestanding decks
- Raised decks and walkout platforms
- Porches, landings and exterior stairs
- Deck alterations, replacements and additions
Typical deliverables
What the scope can include.
- Site or key plan information required for the scope
- Deck framing and foundation plan
- Sections and construction details
- Member and connection schedules
- Structural calculations where required
- Permit notes and municipal comment responses within scope
Before construction
Permit and approval considerations.
Permit and zoning requirements depend on the deck height, size, location and municipality. Setbacks, lot coverage, easements, conservation restrictions and property access can affect the layout even when the framing itself is straightforward.
A permit drawing does not replace the contractor’s responsibility to verify utilities, actual site conditions, materials and safe construction. Field changes that affect the design should be reviewed before they are built.
Deck structural design FAQs
Specific answers about scope, permits, engineering decisions and what to send before the work begins.
Do I need a building permit for a deck?
Permit requirements depend on the deck dimensions, height, attachment and municipality. Even where a particular permit exemption might apply, zoning and safety requirements can still govern the work. Confirm the property-specific requirements before construction.
Should the deck be attached to the house or freestanding?
That depends on the existing wall and foundation, door location, deck height and construction access. A freestanding layout can avoid relying on an uncertain ledger connection, while an attached design may be practical where the house construction can accept it.
Can helical piles be used for deck foundations?
Proprietary foundation systems may be suitable when their capacity, installation and connection are appropriate to the design. The selected product and installer information must be coordinated with the structural drawings.
Are guards and stairs part of the engineering drawings?
They can be included. The proposal identifies whether the scope covers stair geometry, guards, privacy screens, roofs or other features beyond the primary deck framing.
Can you review an existing deck?
Yes. A structural assessment can document visible framing, foundations, connections and deterioration for a defined concern. Concealed conditions and code compliance require a scope matched to the question being asked.
What should I send for a deck quote?
Send the address, approximate size and height, photographs of the house and proposed location, a survey if available, and a sketch showing doors, stairs, roofs or other planned features.
Areas we serve.
Kernel supports projects across Ontario. These pages provide local contact and permit context for core service areas.
Discuss your project with an engineer.
Send the property address, intended work and any drawings or photographs you already have. Kernel will confirm the appropriate written scope and fixed price up front.
Send project details