Type n roof deck.
Girder roof deck.
Cantilevered beams are stronger than flush style beams because they rely on the strength properties of the wood rather than the individual mechanical and fastener.
If there is a small 1 2 over 12 bow point it up toward the sky and it will settle down in time.
If they are bowed the entire deck will rise or fall since the deck joists all sit on top of them.
In deck construction a girder or beam is a board or a composite of more than one board that serves as a supporting structure for the deck joists which meet it perpendicularly.
Also be sure that all girder stock is extremely straight pick these pieces yourself at the store.
The deck girder in turn rests on posts for support.
Place the girder as indicated on the plans between steel supports called hold downs on a sill plate on a roof deck or on a post beam cap atop your support posts for a backyard deck.
How to install deck girder cantilever or drop beams a girder cantilevered or drop beam is a structural member positioned below the joists to support the weight of the frame.
Ridge valley plate.
Type a roof deck.
Type b roof deck.
What is a deck girder.