Dig holes for the pier blocks.
Pier block with adjustable post base. Pier block 4x4 adjustable post base post support saddle bracket holder for 3.5x3.5 posts, 13g hot dip galvanized #354 69 1 offer from $24.99 adjustable. I'm working on a low floating deck sitting in part on a concrete patio and part on the ground, and wanted to share my.