What does bridging a deck do?

Blocking or bridging can be used for a variety of purposes in deck building. Probably, the most commonly used technique is to install small pieces of material in a zig-zag pattern between the perimeter joists to create a rigid rim joist that prevents bounce and increases the strength of the rail attachment.

Do you need bridging on a deck?

The deck bridging may not be structurally required by codes but do improve the firmness or feel of the deck. They are also easier to install during construction than retrofitting them afterward.

How far apart should joist bridging be on a deck?

Deck joist spacing should never exceed 16″ on center (with the exception of MAX deck boards, which allow for maximum 24″ on center). For a more rigid feel, 12″ or less may be preferred. If adding additional framing, be sure to keep all boards level and in plane across the tops.

How do you put blocks between deck joists?

Quote from the video:
Quote from Youtube video: First thing is put make yourself a top plate that's removable. So that you can get your lumber flush to the tops of your joists.

What is the main problem with deck bridge?

Bridge decks are vulnerable, subject to attack by water and chloride that can lead to deterioration and issues with longevity and durability of the bridge decks. The installation of an effective waterproofing membrane is therefore an essential part of bridge deck system in addition to the drainage system.