Please secure to concrete with 3/8 x 3” long wedge or sleeve anchors. Do not use Concrete or Blue Screws.
If you have access under your wood deck, please mount additional 2×6 or 2×8 wood blocking between your floor joists directly underneath your deck surface. Then drill holes thru both your deck surface and the additional wood blocking and use 3/8 x 4” diameter bolts, washers and nuts to secure from the underside of deck. Do not use Wood Screws or Lag Bolts.