Floor Joist Blocking Straps

Tradeready blocking features a large extruded hole to accommodate hvac mechanical plumbing and sprinkler runs.

Floor joist blocking straps.

Install with two 6d common nails per end. 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. The joists immediately under the load deflect substantially before the straps are tensioned and start spreading weight to other joists. 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. 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. 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. Blocking also needs to be provided at the supporting end of a joist.

Leave outside joists for last and install blocking from underneath. Cut blocking to fit so that joist stays aligned with the string. Tradeready blocking is pre cut and formed to fit securely. In addition to providing lateral support blocking helps transfer weight to adjacent joists so that the floor acts as a unified system.

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.