To make a better bond between the concrete and the block, wet the block.

Using deck blocks. 4×4 adjustable steel deck supports for each deck block; Cut and lay your joists. Mark the location of the deck blocks on the ground with spray paint.

27 uses and tips for deck blocking joistblocks resist the tendency of a joist to roll. Use a trowel to fill the hole and slots in the deck block with concrete. The bigger the base of the deck block, the more it can hold.

In order to use concrete deck blocks, you will need: For simple math, a deck block with. Lightweight and easily modified with basic woodworking tools.

Increasing the joist strength by keeping the joist top and bottoms. A deck block with compacted gravel under it will support more weight than the other two options. Joist blocks reduce deflection in the joist.

Deck joist blocking methods full depth solid deck blocking. Remove any loose material on the blocks with a wire brush. There are a number of good plans included in his plans package.

Also, gravel is the most stable material with great bearing capacities. From here place your post into the tuffblock, connect the joist and post with screws and continue building the outer frame of your deck. The firmer the base material under the block, compounding the amount of weight it can hold.