12x12 Deck Material List - How Do I Calculate Deck Material?

1. Step 1: Determine Your Deck's Square Footage.
2. Step 2: Decide Which Board Length to Use.
3. Step 3: Determine Board Square Footage.
4. Step 4: Divide Deck Square Footage by Board Square Footage.
5. Step 5: Determine Deck Board Spacing Square Footage.
6. Step 6: Account for Mishaps, Waste, & Off Cuts.

Do I need to remove grass before building a deck?

It is not always essential to remove grass under a deck unless it is a cosmetic issue that you wish to address. Some decks that are very low to the ground will effectively block any light getting through so the grass will die naturally.

What is the most durable material for a deck?

PVC decking is also the top choice for long-lasting, durable deck boards. Much of this owes to PVC's water resistance. It's moisture-absorption that causes most of wood decking's durability issues: warping, splitting, cracking, mold, mildew, rot, and insect damage.

Can I build a deck without digging holes?

If you're ready to start planning, there are two great options to build a deck without digging any holes: surface deck blocks and deck foot anchors. The cheapest foundations are deck blocks, which can be purchased for less than $12.00 a piece. Deck blocks sit on the ground, so proper planning is essential.

Which quikrete for deck footings?

QUIKRETE 5000 is recommended for footing applications because of its heavy duty, 5000 PSI strength. Add the QUIKRETE 5000 concrete mix to the form. After half of the form is filled, consolidate the concrete with a piece of rebar or a shovel. This will eliminate voids and air pockets.

How long does it take to build a 12x12 deck?

So how long does it take to build a deck? If you have a simple design and everything goes according to plan, you can get through the entire process in about one to three weeks. However, it often takes much longer than this. Waiting for the necessary permits and adding extra features to your deck can slow things down.

What material should I use to build a deck?

Composite and PVC decking are popular because they're virtually maintenance free. Both types are extremely weather-resistant, easy to clean, and neither will ever splinter, warp, cup, or rot. And they don't require sanding or staining.

How far apart should deck posts be?

Spacing of Deck Posts The two most common sizes used for deck posts are 4×4 and 6×6. When using 4×4 posts, place them no more than 6 feet apart, and when using 6×6 posts, no more than 8 feet apart. The reason for these standards is that the railing system won't have proper support if the posts are too far apart.

How far apart should deck joists be?

Deck joist spacing should never exceed 16″ on center (with the exception of MAX deck boards, which allow for maximum 24″ on center). For a more rigid feel, 12″ or less may be preferred. If adding additional framing, be sure to keep all boards level and in plane across the tops.

What is the average cost to build a 12x12 deck?

A deck will cost much less than adding a similar size room to your home. For example, the cost of a 12 x12 deck. A 12 x12 deck can range in cost from $2 200 to $13 000, but the average will be $6 000. Costing $40 a square foot but can be as little as $15 or as high as $85, depending on the deck's features.

Can I build a deck directly on the ground?

Yes, you can build a deck directly on the ground. There are many reasons to want a very low deck, including that at certain heights the deck may not require stairs or guardrails.

How much does a 12x12 concrete slab cost?

The average cost for a standard 12′ x 12′ shed concrete slab costs roughly: $720 – $1,200. or $6 – $10.00 per square foot. However, costs can rise if you'd like to have something decorative as a stamped concrete patio, or if you're looking to have curves and other decorative edging features installed.

How deep should a 12 foot post be in the ground?

The general rule of thumb when setting a post is that the depth of the post's hole needs to be one-third to one-half of the actual above-ground height of the post.

Is composite decking cheaper than wood?

Cons of Composite Decking Durability comes at a cost, as composite decking is more expensive than wood. It could cost 15 to 20 percent more for composite material than pressure-treated pine. Composites aren't natural. No matter how much effort goes into making composites look like wood, they're not.

What should you not do when building a deck?

The 7 Most Common Decking Mistakes Homeowners Make

1. Mistake #1: Ignoring the understructure.
2. Mistake #2: Not staying up to code.
3. Mistake #3: Underestimating the length of time required.
4. Mistake #4: Improperly attaching the ledger board.
5. Mistake #5: Using the wrong hardware.
6. Mistake #6: Not getting to know your wood.

Do deck footings need rebar?

Plain concrete deck foundations without rebar are acceptable under the minimum standards of construction established in the International Residential Code. However, placing reinforcing steel within footings is a relatively easy and inexpensive practice that can provide increased performance.

How far off the ground should a deck be?

We always recommend at least 18 inches of ground clearance to allow for good air flow, but ground-level decks, by definition, flout this rule.

What do you put under a deck?

Washed gravel or crushed stone allows rain and snow to drain and create natural runoff. It also prevents weeds, protects against erosion, and keeps away moisture away from your deck's wooden substructure. Plan to buy enough gravel so that it's about 3-4″ deep.

Why should you not set wood in concrete?

Mix in some oxygen, the moisture from below, the fact that concrete holds a constant temperature and moisture, and those wood posts are going to prematurely rot. No exceptions.

What material do I need for a 12x12 deck?

For example, a 12-foot x 12-foot deck of 5/4 x 6 pressure treated wood decking on 16 inches on center spacing of joists will require: A 12-foot long deck with joists 16 inches on center will require 10 joists. 20 fasteners x 26 (number of rows of decking) = 520 fasteners. Add 10 percent to be safe.