Best Way To Secure 4x4 Post To Deck

The railing posts for this deck are cut from 4 x 4 lumber.

Best way to secure 4x4 post to deck.

Codes are getting tougher on outdoor decks. With two corner posts the top rails extend beyond the posts and meet at the corner. Don t lag bolt a deck railing post to the outer band board that s nailed to the ends of the floor joists. For details on creating a post layout see how to build a deck.

It s easy to connect deck railing posts to the floor joists of the deck. Most states now require a specific bolted connection where deck rail posts attach to the floor frame with reinforcement for joists and blocking. One way is to pour concrete in the post hole set the post on the concrete and backfill with gravel. Another option is to use a single post at the corner installed the same way as the inside posts in detail a above.

There are two ways to mount posts on the inside of the rim and end joists or on the outside as with this deck. Deck railing posts are the foundation of a deck railing system. Remember to follow local code for deck posts. They must be strong.

Posts on the inside. To learn how to mount the posts on the on the inside of the rim joists see how to build a deck. Composite decking and railings. Jason is a contractor host of decks.

There are several methods for setting posts.