Bottom Stair Post And Stringer Deck Connections Thisiscarpentry

Bottom Stair Post And Stringer Deck Connections Thisiscarpentry Newel posts are dynamically linked to stair systems, both aesthetically and structurally, which is why stringer and post installation must be planned carefully and concurrently. there are several code requirements to consider for posts and stringers. the stringer must support a design live load of 40 psf for residential decks. I have always been on the lookout for a better way to make a more secure rail post connection at the bottom of a set of deck stairs. over the years, i have tried the old ways of mounting the post on the outside of the stringer and adding a couple of bolts—a technique that never worked, and especially won’t work today because of the way that building codes have changed: deck posts must now.

Bottom Stair Post And Stringer Deck Connections Thisiscarpentry Securing the bottom newel post. deck and stair railings are required to meet a 200 lb. concentrated load in any direction. while bolting the upper newel posts to the stringers provides substantial reinforcement, securing the lower newel posts is always problematic, especially when code requirements conflict. Jim’s a smart guy who knows a ton about deck construction, and while his detail relies on a lot of sst hardware, it addresses some serious shortcomings in the dca6 stair post stringer connection. and as a bonus, the detail can be adapted to use with posts that mount either inside or outside the stringer. you can read more about his approach here. Download the pdf version of this article. (5.36 mb) guard posts at the bottom of deck stairs are notoriously wobbly. often, the posts are just screwed or nailed to the outside stringers, with the bottom stair tread providing the only reinforcement to the assembly. the posts may feel stiffly supported right after installation, but a few seasons. The top cap at finished height. notice that the top cap terminates into the rail post at the same height as the deck guardrail. install the 2x4 or 2x6 rail cap over the top rail. pre drill and screw the ends of the top cap into the rail posts and secure the center with additional screws. secure the top cap through the bottom of the 2x4 or 2x6.