【How-to】Can i use deck blocks for a shed

Can you put a shed on concrete blocks?

Use only solid concrete blocks for a permanent shed foundation. Concrete blocks with openings in them eventually break and crumble under the weight of a shed. Place your shed in full sun in an open area at least 3 feet away from structures and overhanging trees.

Should I put my shed on blocks?

Foundation Blocks Do Not Block Grass and Weeds

Grass and weeds growing against the sides of your shed can be a problem because it does not allow the bottom of your shed to dry out after rain. This can cause premature rot and supports the growth of mold and mildew.

How many deck blocks do I need for a 10X12 shed?

Wood Shed Foundations

Shed Size	Number of Blocks
8X10	10
8X12	12
10X10	14
10X12	16

Can you build a shed on pier blocks?

Precast pier blocks

The pyramid-shaped blocks are designed for building decks, but they work great for sheds, too — provided you choose the right type. There are a few styles of pier blocks available, including one that has a square hole molded into the top through which a vertical 4×4 post can be inserted.

What blocks to use for a shed?

Concrete shed foundation blocks are a great way to create a level base for your shed. They can be doubled up to give a wide base, or stacked to build piers for higher clearance or uneven slopes. Concrete blocks are ideal for flat or on-grade foundation support. They raise your structure off the ground and won’t rot.

How many concrete blocks do I need for shed foundation?

To build a shed, you will need 20 to 60 blocks for the foundation, depending on the size of your shed. If your shed is on unlevel ground, you will need more blocks to stabilize it. If you are building a 6ft x 8ft or smaller shed, concrete blocks are not required as long as the ground is level.

Are deck blocks a good idea?

Which type of footings should your deck have? Deck blocks are a good idea for low decks, decks around trees, areas with low frost levels and economical decks. It is a bad idea to use deck blocks when attaching the deck to the house, on stable ground or supporting elevated decks, pergolas or a roof.

How many deck blocks do I need for 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.

How much weight can a deck block support?

All concrete blocks must support at least 1,700 pounds of weight per square inch according to standards published in 2003 by the international building standards non-profit. Minimum requirements are only described in the standard.

Do you need to put anything under deck blocks?

Deck blocks can work well, but you need to consider a few things. Sand or gravel under the blocks works best because these materials don’t change with seasonal freeze-and-thaw cycles. They allow water to seep away in the fall, eliminating frost-related heaving in the winter.

What do I 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 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.

How do you prepare ground for deck blocks?

Clear away all grass and soil to a depth that will allow you to lay your joists across the deck blocks. Since you are using pressure-treated lumber, you need not leave any extra space under the dirt… dig out just enough to do the job! Lay porous “landscape cloth” on the ground before building the frame.

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

For example, a 10 x 10 floating deck needs four-deck blocks. Four deck blocks can hold 8 000lbs, almost twice the support necessary for a 10 x10 deck.

How do you attach 4×4 to concrete deck blocks?

How do you attach wood to a deck block?

How far apart should deck blocking be?

Solid wood blocking should be equally spaced in rows, with a maximum of 4′ to 6′ apart.

How do you anchor a deck block?

Plant 15-inch-long hoop anchors into the ground about 6 inches from the edge of installed floating deck floor at the corners of the deck placed 6 inches away from the corner. Drive the point of the anchor into the ground until the auger at the point is at the ground surface, and then put a straight rod into the hoop.