When it comes to building a deck, its foundation might not be the most glamorous aspect, but it’s undoubtedly the most crucial. Here’s why investing in a strong deck foundation is paramount.

Stability and Safety

A robust deck foundation works hand in hand with the ledger board to keep the deck stable and secure. Without a solid foundation, a deck is prone to shifting, heaving, and sinking. All of them transfer stress to the ledger board connection that can damage the house and cause safety hazards to anyone using the deck. By providing a stable base, a strong foundation minimizes these risks, ensuring peace of mind for homeowners and their guests.

Anchoring with Screw Piles

In recent years, screw piles have emerged as the preferred method for anchoring decks. This innovative technique involves using a specialized machine to screw posts directly into the ground, eliminating the need for traditional concrete footings. Screw piles offer unparalleled stability and durability, even in challenging soil conditions.

screw piles

Screw piles are the most secure foundation for a deck in Canada’s variable climate.


A well-designed deck foundation provides flexibility for future modifications or expansions. Whether you’re planning to add extra features like a pergola or extend the deck in the future, a solid foundation ensures that the structure can support these changes without having to start from scratch. This adaptability adds value to your investment and enhances the long-term usability of your outdoor space.

Do all decks require a permit?

Not all decks require a permit for construction. Decks smaller than 100 square feet, for example, lower than 24 inches above the grade, or not attached to the home can be fine without one.

More questions?

If you have any other questions about decks we’re happy to answer them. Call 613-736-1122 or hit the chat button on the right during business hours.

For all your fence, deck, and railing needs.
“For all your fence, deck, and railing needs”