From Deck Stairs · Step 6 of 8 · Video by The Home Depot Canada

Showing 1:50–2:00 of the source video.
Install the stair treads, which are the horizontal surfaces of the steps. For a coordinated look, use deck boards that match the main deck. Attach the treads securely to the stringers using deck screws. As a finishing detail, notch the bottom tread around any adjacent posts to create a seamless and professional appearance.
Goal: Attach the horizontal walking surfaces of the stairs.
This project details the process of building and installing stairs and railings for a deck. It covers planning stair dimensions according to building codes, cutting stringers, assembling the stair structure, attaching it to the deck, installing treads, and constructing the railing system with posts, rails, balusters, and cap rails. The project concludes with essential finishing touches like adding structural supports and applying weather protection.
Place the first tread board onto the front of the stringers, ensuring it overhangs slightly at the front and sides as desired. Secure the tread to the stringers using deck screws, driving them through the tread and into the stringer support. Continue installing subsequent treads, ensuring they are level and evenly spaced, with a consistent overhang.
This project outlines the process of building deck stairs using pre-cut stringers. It covers site preparation, attaching the stringers to the deck, securing them to the ground, and installing treads and railings. Safety is paramount throughout the process, and it's recommended to consult local building codes and consider hiring a professional for complex steps.
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