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Concrete blocks for deck posts. This concrete post support pier helps. Learn how install them at. This concrete footing must extend 6″ (150mm) above grade, removing the wood.

Headwaters 12 in x 8 concrete patio pier block. Some have notches to hold. Deck foundations alternative ways to support decks.

Installing wood deck posts on top of concrete footings will provide additional support for your deck. There are different types of deck blocks; Precast concrete deck blocks are popular for building decks.

This allows a high degree of movement until the. Remove grass and weeds to approx 50mm. The concrete pier block has space inside for a wooden support post for a deck.

Instead, the deck post must be supported with a 10″ (254mm) diameter concrete pile 4′ (1.2m) below grade. Designed with maximum flexibility when erecting decking on firm and level ground, such as existing concrete. A concrete deck block can bear a significant amount of weight since it has a footprint of 12 x 12 inches, as measured on a side.

A typical deck pier footer. The main difficulty in using deck blocks with posts is that the indentation for the posts is slightly larger than the post itself. Mark around each block using line spray or lawn edger, set them aside.