Use 6d common nails spaced 6 apart on edges and 12 apart in the field.
How many screws per sheet of plywood subfloor.
Is there an advantage to using nails.
According to table r602 3 1 of international residential code irc subfloor fastener schedule is as follows.
I can t find any instruction or installation guidelines that note using screws.
53 screws a sheath 19 2 o c.
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.
52 hi all i m putting down a 1 2 plywood underlayment atop my osb subfloor.
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.
To find out which length of screw you ll need you first have to know how thick the flooring is.
So if your subfloor is 3 4 of an inch thick any screw about 1 3 4 inches long will do the trick.
39 screws a sheath floor opening if there is an opening in your floor enter the sq footage in the floor opening field.
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.
A 4 8 sheet of plywood is 32 ft 2.
I will be using a 3 8 plywood over a 2x6 tg subfloor if it matters.
Most construction experts use 3 inch steel screws for plywood subfloors.
If the plywood subfloor you re placing is 5 8 of an inch thick you need a screw about 1 5 8 inches long.
Thu oct 25 2007 12 08 pm posts.
Mon dec 24 2007 3 48 am.
46 screws a sheath 24 o c.
800 32 25 sheets.