According to the main code provision for footings, the only requirement for building a deck that is freestanding is that it must have a minimum footing depth of 12 inches below the undisturbed ground surface. There is no need to extend a footing below the frost line, as is required for standard decks.
Thereof, How much does a 12 x 12 deck cost?
Deck Size Square Feet Average Cost
——— ———– —————
10×10 100 $1,500 – $3,500
10×12 120 $1,800 – $4,200
12×12 144 $2,160 – $5,040
12×20 240 $3,600 – $8,400
Also to know is, How much does it cost to build a 12×12 deck? Deck Size Square Feet Average Cost
——— ———– —————
10×10 100 $1,500 – $3,500
10×12 120 $1,800 – $4,200
12×12 144 $2,160 – $5,040
12×20 240 $3,600 – $8,400
Subsequently, question is, How much does it cost to build a 12×24 deck? Dimensions (Square Footage) Total Square Feet Average Price Range
————————— —————– ——————-
16×16 (256) 256 $10,240 – $15,360
14×20 (280) 280 $11,200 – $16,800
12×24 (288) 288 $11,520 – $17,280
16×20 (320) 320 $12,800 – $19,200
Also, How many posts do I need for a 12 x 12 deck?
Posts are usually constructed from 4-by-4-inch or 6-by-6-inch posts and you will need at least five. You will need 18 boards of 2-by-6-inch lumber or nine 2-by-10 inch boards to build the joists, also known as the beams. You should purchase an additional 25 percent wood to allow for framing pieces and waste.
How do you stabilize a freestanding deck?
How much do I charge to build a deck?
The average cost to frame a deck is around $8 to $10 a square foot for the labor and between $2 and $10 a square foot for a wood material. When installing a metal deck, labor costs double to $16 to $20 a square foot, with materials being between $5 and $15 a square foot.
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. … These footing size requirements are to ensure enough soil bearing to prevent the joist from sinking in the ground.
How much does a 12 x 16 composite deck cost?
Composite Decking Costs The average cost of composite decking is $35 per square foot. For polythylene-based composite decking, the average cost per square foot is $7.82. For polypropylene-based decking, the average cost is $8.68 per square foot.
How many posts do I need for a 12×16 deck?
A standard deck will need four footings parallel to the house, but they will need to be temporarily braced by 6 inch-by-6 inch posts. Using doubled boards, you will then need to build beams on the top row of the posts to frame the edges of the deck.
Do deck piers need footings?
Large decks that are attached to the house should always have footings because they act to spread the heavy load of the deck from the surface of a support post over a large surface of the soil so the ground can adequately support it.
Are footings and piers the same thing?
Piers and footings are terms used to describe parts of the concrete foundation built under a structure to support the weight of the building. … Piers and footings are regulated by local and state building codes. These codes vary regionally based on existing weather patterns and ground configuration.
How much does a 12 x 16 deck cost?
Dimensions (Square Footage) Total Square Feet Average Price Range
————————— —————– ——————-
10×12 (120) 120 $4,800 – $7,200
12×12 (144) 144 $5,760 – $8,640
12×16 (180) 180 $7,200 – $10,800
10×20 (200) 200 $8,000 – $12,000
How much does a 12×12 composite deck cost?
Knowing what a 12×12 composite deck will cost, however, is important. Generally speaking, composite decking will run in the range of $20 to $38 for every square foot installed. This means a range of $5,821 to $10,826 when installing a 12×12 composite deck that also has railings.
How do I estimate the cost of a deck?
The cost of a professionally built pressured-treated wood deck starts at about $15 per square foot, including materials. The cost for an elaborately built deck using costly hardwoods or composite materials can run about $35 per square foot.
How much should a 12 x 12 deck cost?
Deck Size Square Feet Average Cost
——— ———– —————
10×10 100 $1,500 – $3,500
10×12 120 $1,800 – $4,200
12×12 144 $2,160 – $5,040
12×20 240 $3,600 – $8,400
How far apart do posts need to be for a deck?
8 feet
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