Screws Per Sheet Of Sub Floor

This simple sub floor materials calculator will provide you with the lineal feet of floor joist needed the number of sheaths to cover the floor and how much glue and how many screws it takes to attach the sheathing to the joist.

Screws per sheet of sub floor.

According to construction and renovation experts some of the best screws for subfloor include the senco 08200y screws the simpson strong tie screws and the hillman group 48248 subfloor screws. According to table r602 3 1 of international residential code irc subfloor fastener schedule is as follows. Man that s a lot of screws. This means that you ll need to use six nails per each truss that runs under the sheathing because each sheet measures 4 feet wide by 8 feet long.

Attach the smaller piece to the subfloor with a 1 inch wood screw every six inches in each direction using a power drill. In cases where latex subfloor glue is required careful selection is necessary due to the wide range of performance between brands. I ve done a few 4x8 planks with screws at that frequency. Drive the screws in so that the heads are slightly below the surface of the backerboard sheet.

Be sure the joists are dry and free of dirt before applying. Apply glue per manufacturer s specifications. 4 feet equals 48 inches which you then divide by 8 to determine that you ll need six nails where the board comes in contact with a truss. Nail spacing for sheets of osb and plywood is 8 inches per nail.

The screw count is a bit high at times but this will allow for losing some. Use 6d common nails spaced 6 apart on edges and 12 apart in the field. Am i on the right track. Drill screws through the backerboard sheets every 6 to 8 inches.

The first two of these come with a nice yellow zinc finish while the hillman group screws are unassuming yet tough in basic black. The floor looks like the skin of an airplane with so many screws around the perimeter. I ve read for nailing the underlayment to do one nail every foot in the interior of the plywood and around the perimeter at 2.