Installing Post Bases on Concrete Footings
At 3:02 in
Most Decks Are Over Complicated. (Do This, It's Easier)
What happens here
After digging, concrete footings are in place (likely poured previously into Sonotubes, though not explicitly shown in detail). The builder over-engineered by installing 5 footings when only 3 were required for a 30-foot span. Using a hammer drill, drill holes into the concrete footings. Secure the post bases (like Simpson Strong-Tie ABW44Z) to the concrete using 5/8 inch lag bolts. Use a piece of 4x4 lumber to temporarily fit into the post base and determine the exact height needed from the top of the footing to the desired ledger board height. This helps ensure the posts will be cut to the correct length. Pre-drill the holes for the lag bolts using an impact driver for a secure fit.
Goal: Secure post bases to the concrete footings
Tools and materials
- 4x4 Lumber Block — Testing the fit of post bases and determining post height
- 5/8 inch Lag Bolts — Securing post bases to concrete
- Hammer Drill Ryobi — Drilling holes into concrete footings
- Impact Driver Ryobi — Driving lag bolts into concrete
- Post Bases Simpson Strong-Tie ABW44Z — Connecting posts to concrete footings
- Tape Measure — Measuring post height
- Concrete Footings — Providing a stable foundation for the deck posts
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