While not required, we suggest a solid and secure perimeter frame to hold the stone in place.

Gravel under deck blocks. Sand is a good compromise to use as a surface under your floating deck. The agfabric woven makes it easier to plan your yard to prevent weeds such. A typical deck pier footing that might be specified by an.

A gravel and stone landscaped backyard with rounded stone retaining wall palm trees and flowers. They should be used and spaced out like the deck blocks. As mentioned above, we recommend ‘3/4” clean’ crushed limestone as the ideal material for under a deck.

You can read a full overview of shed footings here. Our frost depth is only 12. There should be a minimum of 4” of crushed stone under all.

There is a significant amount of clay in the soil, so i am putting gravel under the pier blocks. I live in pg county, md. Compacted gravel around wood posts allows for adequate drainage and keeps water away from the wood which helps to prevent rot and extend the life of the deck.

I am preparing footings for an outbuilding, using pier blocks. If you need to stack them, make sure. Options for the perimeter fram include pressure treated timber (4x4, or 4x6) secured.

This is 144 square inches. I have been asking for estimates, and they are all over the place. To make a better bond between the concrete and the block, wet the block.