Subfloor Screws - How to Discuss

Subfloor screws

What kind of screws should I use for subflooring? Steel screws are often used for interior floors. Galvanized Screws - This type of screw gets its name from the manufacturing process used to make it. These are steel screws that are protected against rust and wear with a special coating.

How far apart should I space screws in subfloor?

How many screws do I need for a subfloor? A 3/4" subfloor requires a 2" screw. Thicker subfloors require a 3” screw. Use a heavy drill to drive Phillips wood screws through the subfloor into the floor joists. Turn the screws about 8 in.