4d (1-1/2") Fiber-Cement Siding Nail - 316 Stainless Steel, 25 lb. Pkg Slotted Hex Blue Concrete Screws Wood shrinkage after strap installation

Wood shrinkage after strap installation across horizontal wood members may cause strap to buckle outward

concrete beam or 8" nominal grouted block wall

ZMAX Galvanization: The G185 ZMAX coating offers extra protection against corrosion

ideal for dry-service and protected exterior applications

Versatile Substrate Use: Approved for cracked and uncracked concrete

4d (1-1/2") Fiber-Cement Siding Nail - 316 Stainless Steel, 25 lb. Pkg Slotted Hex Blue Concrete Screws Wood shrinkage after strap installationSimpson fiber cement siding nails are designed expressly for application of various lap and panel siding materials made of fiber cement composites. Checker pattern on heads blends with faux wood grain, reduces glare from sunlight and accepts surface finishes. Ring shank increases withdrawal resistance to provide a secure attachment.