Floor Joist Blocking Straps

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.

Floor joist blocking straps.

Recommend repair and or reattaching. Cut blocking to fit so that joist stays aligned with the string. 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. 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.

Quick and efficient system that prevents joist rotation and accommodates mechanical passing tradeready floor joist blocking is one of the primary components that make up the tradeready floor bracing system. Tradeready blocking features a large extruded hole to accommodate hvac mechanical plumbing and sprinkler runs. Install with two 6d common nails per end. Blocking also needs to be provided at the supporting end of a joist.

Tradeready blocking is pre cut and formed to fit securely. The joists immediately under the load deflect substantially before the straps are tensioned and start spreading weight to other joists. There are many different opinions on why to block floor joists the process behind doing it and how it helps the floor structure. Floor joist bridging is critical to the structural strength of a floor.

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.