12d (3-1/4") Preservative-Treated Wood Decking Nail, Annular Ring Shank, 1lb (60 fasteners) Plywood Sheathing Clips The Simpson Strong-Tie OU is

The Simpson Strong-Tie OU is a 7 gauge

Flexible design: Roofjack size accommodates pipes from 1/4" - 2-1/2"

code-compliant support for load-bearing structures

reducing the risk of joist rotation or misalignment

Concrete Pour: Pour and finish concrete

12d (3-1/4") Preservative-Treated Wood Decking Nail, Annular Ring Shank, 1lb (60 fasteners) Plywood Sheathing Clips The Simpson Strong-Tie OU isSimpson T12PTD1 wood decking nails are available in either type 304 or type 316 stainless steel for superior corrosion resistance. Checker pattern on nail head blends well with wood grain, reduces glare from sunlight and accepts surface finishes. Annular ring shank increases pull out resistance to provide a secure attachment that reduces cupping.