How do you use adjustable pier blocks?
For Pier Block, insert threaded rod into existing hole. Insert threaded rod and adjust nut to desired height. Do not exceed 2 ½” of clearance between slab and bottom of post. Adjustable Post Bracket For Pier Block, insert threaded rod into existing hole.
Can I use deck pier blocks instead of footings?
Pier blocks can be used instead of footings for a ground-level deck not requiring permits. Piers blocks can also be used if the frost level depth is less then the height of the pier block.
How much weight can a pier block hold?
A single 8” x 16” concrete block can carry 8,000 lbs. Don’t go over 36′′ high. The single blocks that can be used for your pier can easily carry 5,500 lbs.
How far apart should deck pier blocks be?
So, the max distance between deck blocks is 8′ (2.4m), and there is no need to have them closer than 4′ (1.2m).
What is the size of a pier blocks?
x 10-3/4 in. x 10-3/4 in. Concrete Pier Block w/Wood Cap.
Do deck pier blocks need to be buried?
The post just rests on the block and you hope the concrete lugs don’t break off the block over time. The blocks have to be buried which means the wood deck post is also partially buried, leaving it subject to moisture penetration and wood-destroying insects.
Are deck blocks any 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.
What do you put under deck blocks?
Deck blocks should be installed on stable, non-organic material with good drainage. You can put gravel, sand, or limestone screening under a deck block. Deck blocks can also be set on poured concrete columns dug to below the frost level.
Do 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.
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.