How to attach deck stair stringers

How you attach the stair stringers to the top of the deck and to any landings will be critical.

The final stage in building your deck is likely going to be when you connect the stairs to the deck. Here are the various ways in which you can attach them and it is dependent on joist direction or the style of the stairs. The framing methods may vary slightly but the essence of the concept remains the same. Extend boards down from the back side of the rim joist. To attach notched stringers to a deck requires attaching some kind of backer board to the rim joist, increasing the width of the rim joist so the stringer has more material to contact. If the joist are 2x10 or 2x12 you may be able to secure the stairs against the lower portion of the rim joist.

How to attach deck stair stringers

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Stair stringers are cut from 2x12 lumber. For exposed side stringers, use cedar lumber. Make one stringer for each 16 inches of stair width. Allow for light boxes if riser lights will be installed. Stair risers are cut from 2x8 material. Stair treads are made from deck board material. Stringers must be securely attached to the deck at the top end. The bottom end is typically left free floating, with gravity holding it in place. Work carefully to ensure the stringer height is spaced properly down from the top of the deck and level. Drop blocks for stair support are fastened to the back of the front faceplate or outside joist.

How to attach deck stair stringers

To attach stair stringers to a deck, you must use a metal stair stringer hanger. End-nailing, toe-nailing, or screwing stringers to a header is not allowed per the International Residential Code. Metal hangers must use appropriately sized nails or fasteners specific to the stringer hanger manufacturer. Failure to properly attach a stair stringer can result in serious injury to one or more people, so getting the right fastener is critical to your new deck construction. While simply toe-nailing or end-nailing a stair stringer to a joist is not allowed , there are still many ways to safely attach a stair stringer to a deck. Your options include using lag bolts, carriage bolts, extra posts, or an extended rim joist. The simplest way to attach stair stringers to a deck is to attach them directly to the rim joist of the deck using hangers or lag bolts.

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Ramps must have a slope. Most wood stairs use 16" on center. Railing Footings. The final stage in building your deck is likely going to be when you connect the stairs to the deck. How you attach the stair stringers to the top of the deck and to any landings will be critical. Related article topics. You don't need to cut stair stringers. Learn how to build an ADA-accessible wheelchair ramp onto your deck to meet building codes. Just be aware that if there is too little space for the stair horizontal blocking to be safely connected to the rim joist this option has to be re-thought. Recent Articles. Unit Conversions. Step-by-step instructions on installing deck rail balusters. Find A Builder - Register Login. Why DecksGo. A cocktail rail is the ideal enhancement for a deck railing.

How to Make Stair Stringers — Deck stairways require a solid attachment to the deck framing for safety.

Explore Articles by Topic. Please enable JavaScript. Hot Tub Decks. Third Alternative Method - Perpendicular to Joists If joists are running perpendicular to the stair location and you are using, at a minimum, a 2x12 stringer, you may wish to employ this method. Footings Information related to installing frost footings for decks. Ready to Start Your Project? Just be aware that if there is too little space for the stair horizontal blocking to be safely connected to the rim joist this option has to be re-thought. Estimate Deck Costs. Get more helpful resources delivered right to your inbox. Explore what to consider when introducing a drink rail to your deck. Unit Conversions. Extended Backer Board And Strapping The framing methods may vary slightly but the essence of the concept remains the same. Find A Builder - Register Login. Repeat for each stringer attachment.