Floor Joist Blocking
Cut a piece of 2 by 6 or 2 by 8 lumber according to the width.
Floor joist blocking. Leave outside joists for last and install blocking from underneath. The wood used when blocking is usually made up of short defective pieces of wood that can t be used in other pieces of construction. Joist blocking blocking provides the floor joists with lateral support and it provides a way to transfer shear and vertical loads from the walls above to the foundation below.
So one of the last things that need to be done before sheathing the deck is to fill in with blocking. This aligns the joists with perfect spacing. Structural blocking is pre cut to fit securely between the underside of the floor joists to prevent joist rotation.
Tying the joists together with blocking makes the floor even stronger and stiffer. Interior floor finish 804 2 classification 804 3 testing and identification chapter 10 means of egress 1003 4 floor surface. Tradeready structural blocking is the third component of the tradeready steel floor system.
Solid wood blocking helps reduce up or down movement and the twisting of joists. Place the lumber block between the two joists. Prolong the health of your framing with joist tape.
Blocking when talking about floor joists is when short wood blocks are used to fill or reinforce floor joists under floors that have a space below them. Structural blocking is an economical alternative to cross bracing x bracing or strapping. Limiting joist movement also helps prevent gapping between deck boards for a uniform finish.
Engineered i joists can span long distances to make a flat and solid subfloor. 2010 florida building code building chapter 6 types of construction 602 4 2 floor framing chapter 8 interior finishes 804 4 interior floor finish requirements 804 1 general.