This is the substructure made of 4x4s. MCA treated SYP. Frame runners are two 4x4s stacked. Joists are six 4x4s. Side 4x4s are notched with the joists. All attached together with 1/2" x 6" SS lag bolts.
This how the Deck Grabber goes on. It screws to the joists and then is screwed to the deck boards when they are installed.
Here is a mock-up of a deck board and the angle iron edge. Deck board will actually go all the way to the edge of substructure. 3/8" x 6" flat head SS bolts will attach all the layers together; substructure side boards, substructure joists, deck boards, and angle iron.
Closeup of the notching
SS lag bolts inset
One screw in the Grabber. These screws are the Lox type.
View of inside of Grabber
Box of Grabber and screws
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