Then, there will be rim joists running perpendicular to these boards to support the block and tie the other joists together.The outside framing of the deck will have at least two long joists where the blocking will sit.(We will talk about that more in a later step.) You need a TuffBlock on every joist of the framing.Within a span of a floor joist (one board of the framing), the blocks should not span more than 50”.It’s recommended to have a TuffBlock no more than 12” from the edge of the outside framing to the center of the block.You can find the company’s instructions on the TuffBlocks website. Post holes provide a more substantial base, can be used anywhere, and are adaptive to the designs you have in mind.Įven though post holes are more expensive, I suggest going with them if you want a durable build that stays for a long time.īut if you are looking for a playful DIY project that can temporarily change your boring front yards, deck blocks are the ideal choice.Let’s talk about the spacing requirements for this type of blocking. ConclusionĪll in all, even though it is easier to build a deck using deck blocks and cheaper, you only have a few options of structures and only a few places where you can use them. You can use post holes in any area however, you cannot use deck blocks in areas with sinking soil, high winds, and frosty environments. On the other hand, deck blocks can only give you slightly raised decks.
Since you can set the height of the posts according to your needs, it gives you the liberty to make many types of structures. Unlike deck blocks that do not prevent frost heave, post holes stay unaffected by it as they are dug way below the frost line. Due to the concrete and the deep holes, it gains its robustness from the ground and results in a firm, stable base. Post Holes provide better support to the structure. They are corrosion-resistant and won’t decay. The authority in your region determines the depth of the hole.
Spacing for concrete deck blocks install#
How Are Post Holes Used For ConstructionĪ deep hole is dug in the ground as a starting point to install post holes. Some math and measurements are required to set a good base. You can start building your structure by attaching logs and beams to its top. The number of blocks required depends on what kind of deck you want and how big you would like it to be. If there is grass on the soil, that needs removal too.Īfter the ground seems leveled, it’s time to place the deck blocks with equal spacing. To construct any structure like a deck, first set up the ground where you intend to build.Įven though deck blocks do not require holes to be dug or mixed concrete, they still need uniform leveled ground. Next, you should place the posts on the brackets and attach them with 10 penny nails or structural screws.Īlso Read: Should A Deck Be Level Or Sloped? How Are Deck Blocks Used For Construction Secure the post brackets with washers and nuts while setting the pressure plate on top. You also need to embed an anchor bolt into the material- which is often concrete, such that almost an inch of it is showing. However, you need to fill it with some material- which you will get to in the latter part of this article. To give you a better idea of what a post hole is, it’s basically what the name The setup of the post holes will vary according to your constructors because there is not just one way to get it right. Setting up Post holes is a slightly more technical and complex process.
They are comparatively heavy, and since they vary in shape and size, the approximate weight of a deck block would be 48 lbs or 21.77 kgs (or taken as 22 kgs).įor a rough idea, you can picture them to be up to 8 inches high and are typically 10 to 11-inch squares.Īlso Read: Should You Install Deck Posts in Concrete or On Top? What Are Post Holes? They consist of different shapes and have formations at their top to hold beams and logs, which can support whatever structure you want to build. The common ones include:įirst, you need to determine what the deck blocks and post holes are.
There are countless ways to get that strong foundation for any structure you want to build.
So, do you need a deck that is both functional and strong? You surely won’t like the idea of a gust of wind blowing your deck away or causing damage to it.įor a strong foundation, it is fundamental that the base of your structure is solid and sturdy. Mostly, it turns into an expensive process, and if you are short on luck, it might not even look that good after installation. Need to revamp the look of your boring old home? Add a deck!
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