Floor Joist Blocking Straps

Install with two 6d common nails per end.

Floor joist blocking straps.

The joists immediately under the load deflect substantially before the straps are tensioned and start spreading weight to other joists. On a low deck where blocking cannot be installed from underneath stretch a string from the house to the outside edge along each outside joint for a reference. Thd sku 205173. There are many different opinions on why to block floor joists the process behind doing it and how it helps the floor structure.

Cut blocking to fit so that joist stays aligned with the string. Properly installed wood x bridging tightens as the joists shrink to the degree that i ve seen the bottom of the joists get a slight crook in them from the bridging. Floor joist bridging is critical to the structural strength of a floor. Recommend repair and or reattaching.

Tradeready blocking is pre cut and formed to fit securely. Leave outside joists for last and install blocking from underneath. Proper bridging distributes the load on the floor to other joists and over time prevents floors from sagging and squeaking do to floor joists twisting and warping. In addition to providing lateral support blocking helps transfer weight to adjacent joists so that the floor acts as a unified system.

Simpson strong tie tension bridging galvanized steel the ltb s are used in floor systems to resist the overturning of floor joists and features a staggered nail pattern.