How Many Nails Per Sheet Of Plywood On Roof

Osb plywood 72 nails per sheet.

How many nails per sheet of plywood on roof.

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. Depending on the job i will pull my o c measurements as i go or premark the sheet and then tack the top of the sheet at each rafter and drive it home. Comp shingles smooth 1 1 33 2 63. I follow the code requirements and the spacing and attachment methods listed by the apa american plywood association.

Many manufacturers recommend that nails be spaced no farther apart than 6 inches on the edge of a sheet. 12 oc on interior sheet rafters and 6 oc on exterior perimeter rafters of each sheet. That s 45 nails per sheet of plywood. Wood shingles 3d 1 1 4 2 28 na.

Comp shingles dimensional 1 1 4 1 63 2 63. Because of plywood s versatility different types of nails are recommended for specific jobs. 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. Technical fact sheet no.

There are many uses for plywood from roofing to subfloors and everything in between. Please be advised that the counts above are approximate and may vary significantly due to the different amount of exposure desired in each job. 570 nails per square. Nails for roof sheathing first if you re in a high wind uplift zone and even if you re not if hurricanes really are a concern you should consider yourself in one you ll want to use a modified nailing schedule typically 6 along the edge and in the field using 8d ring shank nails.

Wood shakes heavy s 6d 2 2 50 na. Shakes and shingles also come in a variety of widths that may also affect the number of nails used per square. Provide a 1 8 inch gap. Do not countersink these nails.

Lay sheets in rows with the long edge horizontal to the roof bottom. Roof material nail length pounds per square coils per square. Now you have ten nails in the sheet and it s flush with the rest of them and you go to the next sheet and repeat. The minimum osb panel size is 24 inches in any direction and each sheet end must rest on a rafter.

24 new roof over an old roof. Plywood osb 8d 2 1 2 1 35 na. 18 roof sheathing installation home builder s guide to coastal construction page 2 of 3 recommended that deformed shank nails be used throughout the entire roof. Nail spacing for sheets of osb and plywood is 8 inches per nail.

Go back to the bottom of the sheet and tack it home. The lengths of nails are dependent upon the medium into which the nail is driven and can be adapted for a variety of. 8 penny coil nails usually with ring shank and spacing with clips or at least a 10 penny nail. Also nails should be no closer than 3 8 inch from the edge of a panel and driven flush.