Roof Decking Nails Or Screws

Vinyl use 1 2 galvanized roofing nails depending on material thickness you re nailing into.

Roof decking nails or screws.

You ll need 1 1 2 inch hanger nails to attach the stringers to your deck using angle brackets. We use atleast 2 1 4 to 2 1 2 screws to put down 1 2 inch plywood or osb but most of the time we use 2 3 8 coated coil nails also known as 8 s for hand nailing. At intermediate supports fasten panels 12 inches on center. Deck screws have a smooth shank no threads fot the first 1 1 4 of the shank and then an aggresive thread.

Nails are often preferred for structural joining including framing walls because they are more flexible under pressure whereas screws can snap. 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. In this vid i show why i never use deck screws for structural building and suggest you consult your building regulation codes in your country for the suitabl. Screws are more expensive but hold better and won t corrode if you use the correct type.

Nails are also called upon when securing plywood. As with your joists stair stringers are supporting a load which is why you want to use nails instead of screws to attach them to your deck. T1 11 use a 12d hot dipped galvanized nail or 8 1 5 8 deck screw. While most often people opt for one of the first two especially for using only screws i recommend using both screws and nails each in different parts of the deck.

However on one deck i built last year i used a ton of structural screws. I mostly use screws only for temporarily holding things in place while i nail stuff up and for the decking surface. 07 27 2007 06 42 am 5. Some say you can use screws but use an exterior 8 1 5 8 rounded domed head screw.