The ol sage builder.
Screws or nails for roof sheathing.
07 27 2007 06 42 am 5.
Roe osborn a senior editor at jlc responds.
The norbord experts.
The ten most important fasteners for installing roof sheathing.
Fasten roof sheathing panels properly fasten panels with a minimum of 8d common 0 131 inch by 2 1 2 inch nails spaced a maximum of 6 inches on center at supported panel ends and edges.
Rafters to walls use 16d common spiral hot dipped galvanized nails or 10 3 acq rated screws toenail with 3 to the plate or end nail with 3 roof sheathing to rafters 8d common spiral nails.
Generally you ll need to place two nails at each location where it makes contact with a roof truss.
It s true that screws have a highly effective withdrawal resistance which makes them excellent fasteners for tasks such as avoiding squeaks in flooring assemblies resisting uplift forces that occur in roofs and holding deck ledgers tight to a building.
Slats of wood used for roof sheathing are lumber boards with face widths ranging from 4 to 12 inches.
The cheapest and easiest is to re nail or better yet screw down the sheathing when you replace your roof covering.
T1 11 use a 12d hot dipped galvanized nail or 8 1 5 8 deck screw.
There is a common misconception in the building industry that screws always outperform nails when attaching wood to wood.
February 5 2018 posted in.
The attachment of roof sheathing can be improved in one of two ways.
For slats featuring face widths of 12 inches you will space three nails evenly apart about every 3 inches.
Nails are also called upon when securing.
Deformed shank i e ring or screw shank nails are required near ridges gables and eaves in areas with design wind speeds over 110 mph 3 second gust but it is rec ommended that deformed shank nails be used throughout the entire roof.