Simpson CD25400M 1/4" X 4" Mushroom Head Crimp Anchor - Zinc, Pkg 100 Zinc Large Diameter Concrete Screws this flashing boot simplifies installations

this flashing boot simplifies installations and minimizes the risk of leaks or damage

Corrosion Protection Options: Available in G90 galvanized and ZMAX finishes for enhanced durability

including those involving treated lumber

these screws are built for exterior use in demanding environments

Simpson CD25400M 1/4" X 4" Mushroom Head Crimp Anchor - Zinc, Pkg 100 Zinc Large Diameter Concrete Screws this flashing boot simplifies installationsThe Simpson Strong Tie Crimp Drive anchor is an easy to install expansion anchor for use in concrete and grout filled block. The pre formed curvature along the shaft creates an expansion mechanism that secures the anchor in place and eliminates the need for a secondary tightening procedure. This speeds up anchor installation and reduces the overall cost. The low profile mushroom head works excellent for attaching wood or light gauge steel to concrete