Quick Answer: How Far Apart Should Pier Blocks Be?

When installing piers for a pier-and-beam foundation, you have options as to how far apart the piers can be installed. Pier placement depends on wall structure and how the weight of the building will be distributed throughout the foundation. Common pier placement distances are 8 to 10 feet apart.

How far apart do pier blocks need to be?

While 8 to 10 feet apart is a sufficient distance for foundation piers to support most structures that would sit atop a post and pier foundation, if the building is particularly tall or made of heavier materials such as brick or metal, it’s not uncommon to place the foundation piers even closer together.

How many pier blocks do I need for a 10×10 deck?

Without knowing how I came up with the number of blocks for each deck, you could arrange them incorrectly. Or not understand why some decks have more blocks than the total weight needs. For example, a 10 x 10 floating deck needs four-deck blocks.

How far should you space deck blocks?

Space the deck blocks at 4′ to 6′ intervals to offer the frame good support.

How far apart should concrete blocks be?

Lay out the block, making sure to leave a 3/8 inch gap between the blocks to allow for the vertical mortar joints (i.e., a typical 8x8x16 block is actually 15-5/8 inches long and 7-5/8 inches high to accommodate the mortar joint).

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.

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How do you level pier blocks?

You can cut a slight angle at the bottom of the posts, or shim the top of the pier with concrete to make a level surface. Just make sure the posts are “perfectly plumb.” Adding patching concrete to the tops of the piers is one option. Another is to grind the concrete flat, as several posters suggested.

How do you hide pier blocks?

Uneven deck piers can be hidden by planting ornamental flowers, shrubs or vines around the perimeter of your deck. Place weed barrier around the perimeter of your deck where you intend to place your plants. Use plastic gardening fencing or stone to separate the area to be landscaped from the rest of your yard.

Do I need gravel 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. Regardless of what you put under a deck block, it must not absorb water but provide good drainage.

How many deck blocks do I need for a shed?

Generally speaking, you want support every 3-4′ for a normal use building and 4-6′ for lighter situations. An average 12′ x12′ can use around 18 blocks, but more is certainly ok, just space evenly.

Why do builders leave gaps between concrete blocks?

Durability and moisture resistance Some moisture may eventually soak through the mortar joints. For this reason, external brickwork is generally constructed with a space separating it from the internal leaf in the form of brick veneer or cavity walling.

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Why are there spaces between the concrete blocks?

To allow for the vertical mortar joints, leave a 3/8 inch gap between the blocks and lay out the block. A reference line can be created by snapping a chalk line on each side of the wall.

How many piers does a house need?

The number of pilings you’ll require depends on how unlevel your slab foundation is. You may only need 1-2 interior piers, or you may require 10-15, and possibly even more. All foundations are evaluated on a case-by-case basis.