Three and four inch decking shall be toenailed at each support with one 40d nail and face nailed with one 60d nail.
Nailing pattern for roof decking. Some homes being built after 2002 the builders started to use the new nailing and some ahj required new nailing on new builds. Set and nail decking perfectly deck board spacing with chalk. What is required for re nailing is a ring shank 8d corrosion resistant nail fastened every 6 inches on center and on every rafter truss throughout the roof. This can be a hidden additional cost so ask your roofer for a fixed cost of providing this requirement if he has not included it in the contract.
Check the nailing surface is level. Install baffles providing a minimum of 1 inch of clear space between framing and or under roof decking at eaves to ensure that ceiling or roof insulation does not block ventilation paths. I understand that the hvhz is different i am asking about everywhere else in the state. Plan ahead for the last board.
Generally you ll need to place two nails at each location where it makes contact with a roof truss. Refer to the current fm loss prevention data sheet 1 29 for special considerations. For duration series shingles owens corning recommends using either a 4 or 6 nail fastening pattern depending on the roof s slope and building code requirements. Basically if you.
My understanding is that after 2008 all roof decks had to be re nailed when a new roof is installed. There are hundreds of different nailing patterns for tons of building materials ranging from drywall to trusses and everything in between. For those who are uninitiated in the world of fasteners a nailing pattern or fastener schedule is the national state or regional building code allowances for fastening specific materials. General fastening frequency and spacing for steel wood cast in place structural concrete and poured gypsum decks is covered in the acfoam nailable roof insulation fastening pattern guide.
Straighten crooked boards with a chisel clamp or nail. In most cases 4 nails are adequate. Set the first board along a chalk line to start straight. 5 steps to proper roof sheathing installation.
For slats featuring face widths of 12 inches you will space three nails evenly apart about every 3 inches. Position the nails appropriately according to the shingle installation instructions. Ventilate the roof according to current building codes. Align shingles properly to avoid nail exposure.
Courses for three and four inch decking shall be. Start nails into the deck board. Screws or nails for deck. 2 tongue and groove roof decking.