3" - 12 Gauge Premium Siding Nails - 316 Stainless Steel, 5 lb. Pkg OCC Ornamental Column Caps This Simpson Underlayment/Backerboard Attachment features

This Simpson Underlayment/Backerboard Attachment features a limited lifetime warranty (see manufacturer for specific details on warranty)

9 times table loads

or lag screws

The Simpson Strong-Tie® RCKW rigid connectors have been developed to resist overturning moment at the base of exterior kneewalls and parapets as well as interior partial-height walls

3" - 12 Gauge Premium Siding Nails - 316 Stainless Steel, 5 lb. Pkg OCC Ornamental Column Caps This Simpson Underlayment/Backerboard Attachment featuresSimpson Premium Siding Nails are available in type 316 stainless steel. Passivated to remove dirt and swarf, ensuring corrosion resistance. Annular ring shank increases pull out resistance, provides greater holding power and reduces cupping of siding.