Size and type of nail for framing wood to concrete
#1
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This is for an interior wall. What size and type of nail is needed to secure framing of a 2x4 horizontal piece of wood to a concrete subfloor? Galvanized? Not galvanized? Ring shank? Length? Nail head type?
#2
When fastening to concrete, you have to use a powder actuated nail. Remington, Hilti, Ramset, etc. You can also use drop anchors or concrete screws. Most in the construction trade will have a gun that has multiple loads and shots, since time is money. Most homeowners will opt for the kind you smack with a hammer, which sets the firing pin... firing the load, which drives the hardened nail into the concrete.
#3
If it's just a short wall, you might be better off drilling a few holes and using concrete inserts. Various brands and styles are available at the big box stores, and most are installed by either smacking with a hefty hammer or tightening up the draw-down nuts. If it's a long wall with lots of anchors required, go to a tool rental place and rent a Hilti nail gun and an adequate number of strips (of charges) and some 2-3/4" nails.