The first step for answering “how to calculate how much decking I need” is to determine your deck’s square footage, or area, by taking the length of your deck times the width (L x W). EXAMPLE: For a deck that is 16 feet long and 12 feet wide, multiply 16 by 12. This gives you 192 square feet, your deck’s total area.
What's the square footage of a 12x12 deck?
How many square feet is a 12×12 room? The square footage of a room 12 feet wide by 12 feet long is 144 square feet. Find the square footage by multiplying the width (12 ft) by the length (12 ft).
How many square feet is a 12 foot deck?
A 12×12 deck has a perimeter of 48′ and square footage of 144 square feet. And just for kicks, we’ll say that the joists are 16” on center. The joist spacing doesn’t matter too much for this example, except that we can determine the exact amount of fasteners needed (2 per board per joist).
How many square feet is a 20x20 deck?
Deck SizeSquare FeetAverage Cost12x20240$3,600 – $8,40014×20280$4,200 – $9,80016×16256$3,840 – $8,96020×20400$6,000 – $14,000How do you find the area of a deck?
In this case, order to calculate the total surface area of your deck, all you need to do is measure the length and width of your deck and then multiply one by the other. For example, if your deck is 10m long and 8m wide, the calculation is 10m x 8m = 80m2.
How many deck boards 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.
How many Trex boards do I need for a 12x12 deck?
Board lengthBoards required8 FT20612 FT13716 FT10320 FT83
How do you calculate wood for a deck?
Length x Width = Square footage of decking needed. Square footage is calculated by multiplying length by width. Simple enough, but decking is sold by the linear foot not by the square foot. To convert it you need to know how many square feet is in a linear foot of decking.How do I calculate how much decking I need?
The first step for answering “how to calculate how much decking I need” is to determine your deck’s square footage, or area, by taking the length of your deck times the width (L x W). EXAMPLE: For a deck that is 16 feet long and 12 feet wide, multiply 16 by 12. This gives you 192 square feet, your deck’s total area.
How do I calculate how much wood I need?You can measure board feet by multiplying length x width x thickness in inches, and then dividing by 144. If ordering a large amount by board feet, just multiply the total board feet needed by the price per board foot for the total cost.
Article first time published onShould deck joists be 2x6 or 2x8?
For upper-level decks, 2×10 is recommended as the minimum size to use for strong guard post connections. 2×6 joists should only be used on ground-level decks that do not require, and will not provide for, any guards. … Most decks use 16″ on center spacing for joists.
How much does it cost to build a 10x20 deck?
DimensionsTotal Square FeetAverage Price Range10x20200$8,000 – $12,00012×20240$9,600 – $14,40016×16256$10,240 – $15,36014×20280$11,200 – $16,800
How many square feet is a board?
By definition, a board foot is one square foot, one inch thick. The most common mistake made in calculating board footage is forgetting to multiply by the thickness.
Does a deck count as square footage?
do not usually count toward a home’s square footage. … Finished attic square footage is included if an area has at least seven minimum feet of clearance. Covered, enclosed porches can only be included if they are heated using the same system as the rest of the house.
Do stairs count as square footage on a deck?
In general, areas like staircases and closets count as finished square footage. Spaces like garages, three-season porches and unfinished basements or attics are not included in the square footage of a house.
How do I calculate decking materials?
- Step 1: Calculate the surface area of your decking. Multiple the length (L) of your decking area by the width (W). …
- Step 2: Calculate the coverage of your deck boards. Add the deck board width (W) to the Expansion Gap Length (EGL). …
- Step 3: Calculate the number of boards required.
Are Trex decks worth it?
Composite decking is worth the money. It costs more upfront, but thanks to minimal maintenance costs and long life, the annual cost for the life of the fence is significantly cheaper for composite materials. If what you have in mind are the Trex decks of 15 years ago, you’d be surprised to see how far they’ve come.
Is Trex more expensive than wood?
An obstacle for Trex is that composites cost a lot more than natural wooden decking. By Trex’s estimates, for a 16- by 20-foot deck, the materials outlay for its Transcend line are $2,714, almost five times that of regular wood ($577).
How many deck blocks do I need for a 10x10 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.
Can I use 2x6 for deck boards?
Wood decking is commonly available in 2×6 and 5/4 x 6 profiles. 5/4 x 6 is produced specifically for decking and is milled with a radius edge or bull nose. 2×6 is thicker and is stronger, but is also more expensive. Spacing between deck boards provide a few critical functions.
How many posts do I need for a 12x16 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. These must be topped with adjustable post caps.
How do you calculate square feet for wood?
Square Feet Step 1: Measure the width of your item in inches and then multiply times the height. Step 2. Multiply the width and height of all sides to be coated (including the top). Step 3: Add all of these totals together and divide by 144 to determine the total square feet you will need to cover.
How are lumber packages calculated?
Multiply the total wall length (in feet) by 0.75 (for 16-inch on-center stud spacing). Add three studs for each 90-degree corner. Add four studs for each 45-degree corner. Add two studs for each wall intersection (where another wall abuts the wall you are estimating).
How much lumber do I need for a 2000 square foot house?
A typical 2,000-square-foot home uses almost 16,000 board feet of lumber and 6,000 square feet of structural panels like plywood.
How many joists do I need for a 16 foot deck?
For example, when you space joists 16″ apart — which is standard for residential decks — a deck spanning 9 1/2′ would require 2-by-6 joists, a 13′ deck would need 2-by-8 joists and a 16′ deck calls for 2-by-10 joists.
How far should posts be on a deck?
Layout and Footing Locations In general, posts should be spaced no more than 8 feet apart. Some builders position them every 4 feet for a completely rigid frame. The maximum distance between footings is determined by the size of your joist material.
Is it cheaper to build your own deck?
For basic deck designs using the least expensive lumber, you can expect to pay from about $8 to $10 per square foot (depending on the material) of deck area if you do the work yourself or pay about $30 per square foot if the material is professionally installed.
How much value does a deck add to a house?
Deck Improvements Can Recoup 100% of Their Cost While many home renovation projects only recoup anywhere from 50% to 80% of their cost, multiple studies have estimated that the ROI for patios and decks can exceed 100% based on the size and materials used.
What is the cheapest way to build a deck?
Choose wood, but carefully: Untreated wood decks are generally the cheapest to install, but don’t forget long-term costs. Wood decks require yearly maintenance and deteriorate quickly if they don’t get it.
How do I calculate board feet?
- Thickness x Width x Length / 12 = Board Feet. …
- 2 x 4 x 10 / 12 = 6.667 Board Feet.
- A 2 x 10 -16′ has 26.67 board feet:
- 2 x 10 x 16 / 12 = 26.667 Board Feet. …
- PCS x T x W x L / 12 = Board Feet. …
- 84 x 2 x 8 x 12 / 12 = 1,344 Board Feet. …
- 1.25 x 6 x 14 / 12 = 8.75 Board Foot.
What is the difference between a board foot and a square foot?
A board foot (as discussed in What is a Board Foot?) is a volume measurement that is impacted by three dimensions: thickness, width and length. A square foot, on the other hand, is an area measurement that involves just two dimensions: width and length.