Simpson PDPA-250MG 2-1/2" Drive Pins - Mechanically Galvanized, Pkg 100 18 Gauge Straight T-Head Finish Nails The #8 Roofjack Round Silicone

The #8 Roofjack Round Silicone Pipe Flashing Boot is the ultimate solution for sealing pipe penetrations on metal roofs

the LS angle provides dependable reinforcement where additional strength and flexibility are required

Coarse thread provides strong grip in wood substrates

Masonry and Concrete Applications: When installing to grouted CMU walls or concrete

5-inch diameter lally columns and 3

Simpson PDPA-250MG 2-1/2" Drive Pins - Mechanically Galvanized, Pkg 100 18 Gauge Straight T-Head Finish Nails The #8 Roofjack Round SiliconeThe PDPA is a hardened steel, powder actuated fastener designed to fasten building components to concrete, steel and CMU. The PDPA consists of a fastener with a 0. 300" diameter head and a 0. 157" diameter shank. The PDPA provides maximum jobsite productivity with fast installation. California Residents: WARNING