How Many Screws Per Sheet Of Plywood Subfloor

Divide by the total square footage by the square footage of a sheet of plywood to find the number of sheets required to cover the space.
How many screws per sheet of plywood subfloor. A 4 8 sheet of plywood is 32 ft 2. Use 6d common nails spaced 6 apart on edges and 12 apart in the field. I will be using a 3 8 plywood over a 2x6 tg subfloor if it matters. According to table r602 3 1 of international residential code irc subfloor fastener schedule is as follows.
46 screws a sheath 24 o c. 52 hi all i m putting down a 1 2 plywood underlayment atop my osb subfloor. 53 screws a sheath 19 2 o c. How many screws needed.
I have read on this forum that it is possible to utilize screws but i don t understand why all the direction leave out using screws as an option. To find out which length of screw you ll need you first have to know how thick the flooring is. For example if the area to be covered in plywood is 800 ft 2 then 25 sheets of plywood will be needed to cover it. Is there an advantage to using nails.
39 screws a sheath floor opening if there is an opening in your floor enter the sq footage in the floor opening field. Here are nine common subfloor installation mistakes and how to prevent them. I can t find any instruction or installation guidelines that note using screws. 800 32 25 sheets.
Mon dec 24 2007 3 48 am. If the plywood subfloor you re placing is 5 8 of an inch thick you need a screw about 1 5 8 inches long. So if your subfloor is 3 4 of an inch thick any screw about 1 3 4 inches long will do the trick.