Some blocks have a hole in the center.
Attaching posts to deck blocks.
Incorrectly attaching guardrail posts.
Unlike a concrete footing that distributes the weight of the structure over a large area piers concentrate the load to a small area.
With the right post anchors or hardware you can get some impressive aesthetic results and greatly reduce the potential for rot.
Today s options for attaching posts to deck surfaces.
The idea of quickly installing a post where you want on either a wood framed deck concrete or even stone surface is appealing.
However concrete deck blocks can be used without restriction for a freestanding deck that s not attached to your house.
There are a handful of manufacturers that produce epoxy and other adhesive anchors that are tested for use in hollow cmu.
Successfully attaching a ledger to a cinder block can be accomplished by using the right hardware.
Deck framing page 16 beam to post page 12 post to concrete page 11 joist to beam page 14 a system of key connections throughout the deck framing also known as a continuous load path is essential to building a safe code compliant deck.
Deck blocks stand in for the posts or provide a foundation for a post.
This allows the insertion of a concrete bolt designed to secure a metal post anchor to the block.
Use blocking and bolts to create a strong railing connection at the rim joist.
Assume that all deck piers and foundation blocks require some digging.
The main difficulty in using deck blocks with posts is that the indentation for the posts.
When this system of connections is made properly loads are transferred.
Deck piers support the beams that create the joist spans for a deck.
Use bolts not nails or screws to fasten railing posts to deck framing.
Typically made of two by lumber ledger boards attach horizontally to an existing structure such as a house or garage and are used to join a deck roof or other add on to the original structure.
Yes there are products available for anchoring a ledger board to hollow concrete block foundations concrete masonry unit cmu.
This is the foundation of the deck and if not properly installed will result in failure of part or the entire deck.