Deck screws have a smooth shank no threads fot the first 1 1 4 of the shank and then an aggresive thread.
Roof decking nails or screws.
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.
Nails are often preferred for structural joining including framing walls because they are more flexible under pressure whereas screws can snap.
Nails are also called upon when securing plywood.
However on one deck i built last year i used a ton of structural screws.
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.
Screws are more expensive but hold better and won t corrode if you use the correct type.
07 27 2007 06 42 am 5.
I mostly use screws only for temporarily holding things in place while i nail stuff up and for the decking surface.
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.
T1 11 use a 12d hot dipped galvanized nail or 8 1 5 8 deck screw.
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.
At intermediate supports fasten panels 12 inches on center.
Vinyl use 1 2 galvanized roofing nails depending on material thickness you re nailing into.
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.
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.
Nails building a deck if you are planning to build yourself a wood deck you have three options use only screws only nails or a mix of both.