#7 x 1-1/4" Strong-Tie Finish Trim Screw - 316 Stainless Steel, Pkg 500 OCB Ornamental Column Bases it becomes an expanding foam

it becomes an expanding foam that provides a flexible seal in leaking and non-leaking cracks

a wafer-style head with self-countersinking nibs

these screws deliver superior corrosion resistance and are approved for use with ACQ-treated lumber

and can be installed before or after the hip and jack

Use in cracked and uncracked concrete

#7 x 1-1/4" Strong-Tie Finish Trim Screw - 316 Stainless Steel, Pkg 500 OCB Ornamental Column Bases it becomes an expanding foamThe Simpson Strong Tie Finish Trim screws are versatile high performing fasteners that will complete a variety of projects quicker and stronger than ever. They are ideal for installing trim, molding, and other DIY home improvement projects. The finish trim screw features a low profile cylinder head that provides a clean, concealed appearance. The pattened SawTooth point makes driving simple and eliminates the need for predrilling. Additionally, the