Will Deck Blocks Sink

The deck blocks can sink if the soil under them erodes for some reason or the weight is unevenly distributed. That’s why it’s a good idea to use more than less. … Especially in loose soils or wet conditions which requires more weight distribution.

Are concrete deck blocks good?

The blocks are preformed concrete units, as such, makes it easy and quick to construct decks. They make excellent foundations for small to medium decks when used correctly, as they have considerable load-bearing abilities. … Deck blocks are great options for building a grade-level deck that requires no permits.

Do deck blocks need to be buried?

Although they can be buried, and sometimes are, they’re really designed to rest on the ground and spare the builder from digging, although the ground may require some leveling first. One advantage of sitting on top of the ground is that deck blocks are unaffected by frost heaving.