Installing Railing Posts for Cable Rails: Learn the process for handling and attaching this dense exotic hardwood decking: Episode 9: Cable Railings Simpson installation instructions show this, structural engineers calculate it this way, and even architectural tests point this out, because the greater Moment of Inertia is on the top
If you are attaching the stair handrail between a post and a wall, you can use a rail bolt on the post side and a rosette on the other. Then you place the handrail over the Rail Bolt, tighten it down as in step 5, and then secure rosette to the wall. If you are attaching the handrail between two posts you have two possible solutions.
Bolt the posts to the inside of the rim joists. Maximum spacing of posts is 72 inches on center. Bolts should be vertically spaced no less than 5-1/8 inch apart. For a composite railing system, slide the post sleeve over the wood post, then the post sleeve skirt over the post sleeve; both should rest on the decking.
Once a railing section is assembled, set it in place between the posts and angle screw through the sides of the hand rail and the bottom rail into the posts to secure it, or use galvanized connectors. To align the railings in the center of the posts, put marks at the center of the post and at the centers of the rails.
Strong Rail-Post Connections for Wooden Decks by Joseph Loferski and Frank Woeste, P.E., with Dustin Albright and Ricky Caudill where railing posts were simply toenailed into the decking. The post in the bottom photo was many ways to attach deck posts, so for practical reasons we decided to limit
The top rail is lined up with either edge and flush with the top of the post. Driving the screws into the post at an angle, or toe-screwing, is the best way to attach them. The bottom rail is inset one-inch from the outer edge of the post. The last step is to install the five-quarter rail cap, which is centered over the posts.
Instructions for installing a handrail to a newel post using a rail bolt. Steps and instruction for layout, assembly, and installing newel posts and stair handrail. You can leave one of the posts loose so that you can lean it out of the way, attach the handrail to the secured post side first then lower the handrail onto the balusters.
There is a way to use outside-the-rim mounted posts with manufactured railing systems - just add a 2-by skirt board outside the posts. You can either mount such a skirt board using the same bolts that mount the posts to the rim and the metal connectors, or fasten it with structural screws after bolting the posts.
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