Make sure to use joist hangers labeled G-185. These have extra zinc coating to prevent corrosion caused by the chemicals in treated wood. Expect to spend around $7,000 on materials for this deck.

Then, use joist hangers to install the center support joist. Step 2: Setting Piers And Posts. ... Drive 2-1/2-in. deck screws down at an angle through the frame and into the tops of the posts.

Q.The carpenter that built my deck used joist hangers to hold up the joists along the house and at the end of the deck. Are these steel joist hangers approved, and will they stand the test of time ...