Footers should be set 6 inches deeper than the frost line for your area. The vertical deck board is for looks only. ft.) Room enough to break your space into zones. Some composite deck boards even come with a groove in each edge in which to hook a clip or biscuit, which is screwed to the joist then hidden inside the joint when the next board is installed. We add 5% more material for trim loss. You're essentially building two 8x8 decks next to each other with the center beam carrying double the load it should be, if not doubled up. select A Calculator We have a variety of calculators to help you figure out the dimensions and quantities of all the different building materials you will need on your job site. This is why the gaps grow between adjacent boards on a deck. Deck Material Calculator Here is a simple and universal deck material estimator to help you understand how much material is needed for your deck project. Once you figure how many runs you have for the whole deck you can determine how many boards of say 16' or 12' would handle the main section of the deck, assuming you want to use full length pieces, and not butting up for length. We offer top quality composite and timber decking boards perfect for your outdoor living area. You can use our composite deck calculators below to give you an estimation of how many decking boards you will need for your project. The short answer: shorts. Total span is a little under 21'. or 7 lb. Calculator Instructions. Enter length and width in feet. The joists are on the on the 20 ft side meaning i need to accmodate 21ft 2 inch boards. The table below will help you calculate your deck’s proportions: 10 boards and 9 gaps = 1445mm deck width 12 boards and 11 gaps = 1735mm deck width 14 boards and 13 gaps = 2025mm deck width 16 boards and 15 gaps = 2315mm deck width* 18 boards and 17 gaps = 2605mm deck width 20 boards and 19 gaps = 2895mm deck width *This is the key deck square, which has been sized to allow the other … Boards will run length-wise in each section. It makes everything look planned and polished. I said the boards shrink UNequally in the two directions. Tax: Take $1.38 x .07 (state tax rate) =.0966. The deck is 21 ft 2 inches by 20 ft. 2. Staggering not only looks better but also strengthens the deck. If your deck is slightly out of square (different widths), calculate results for both widths, and set out each end to suit. Double Joists Are Important . Step 4 Allow Spacing for the Next Rows. Staggering deck board joints means they don’t all occur on the same joist and make it look like you have two decks side by side. 989-224-7095. If you want the decking raised pick the height from the drop down box, this height is from ground to top of the deck. Subject to the shape & some imaginative thinking on your part you can see what part of any wastage / off-cuts can be utilised in other areas of your complex design, or … Accurate estimation is crucial in the planning stage because the quantity of material directly affects the cost of the project. Decking Calculator Please use our calculator below to help you estimate how many decking boards and joists you will need to create your deck. Cost per linear foot: Let’s say a board is 16' in length and costs $22.08 (without tax). How can deck patterns save me money? Want your new deck to last twice as long as others? - … We would all love to save money on a deck while having an outdoor space that is both beautiful and unique. Select This Size. This calculator will tell you the size of the joist boards necessary based on the square footage of the deck. If your deck is less than 20’ wide, you should be able to finish the deck without any butt joints or splices. Select This Size . You may want to stagger the butt joints as best you can in different positions to reduce their visibility or use a division board to control or concentrate them in one logical location. Build Decks FASTER & EASIER on a Solid Footing. HI - I have a deck that is in desparate need of replacing the deck boards. All you need to know is the length and width of your desired deck. Our high quality BPC composite decking boards are made of 60% bamboo flour, 30% recycled plastic and 10% additives (UV Blocker, colour pigments). For instance, if you know the dead load of the deck will be less than the prescriptive 10 lb., then you can select 5 lb. Calculate the cost of your high-performance AZEK deck. Calculate My Results. If we need to build a 20-ft.-wide deck, we’ll make it about 19-ft. 6-in. I'm looking to replace the decking on a porch and am trying to figure out why the previous builder didn't stagger the boards. Oxford 01865 326500, Swindon 01793 484455 or Yarnton 01865 842574 A deck book got me thinking about this because it tends to weaken the boards by having the screws so close to the ends, and it invites rot by having the ends over a solid board underneath, which doesn't allow for drainage or air circulation. This depth will determine how much concrete you need and how long your footers should be. If you are going to build your decking next to a house, make sure it’s 150mm below the damp proof course and that you don’t cover any air bricks. 12' X 14' Deck design (168 sq. After laying deck boards, drill two screws through the board and into each joist, 3/4 to 1-inch from the edge of the board. Material is generally supplied in even lengths only, multiples of 2', from 8' to 20'. Home; Dealer Info. Use the widest dimensions for linear quantities. If Tyranny and Oppression come to this land, it will be in the guise of fighting a foreign enemy. 3. Calculating the area of this bounding rectangle you can calculate the maximum decking boards area that you will require. Dealer Locator; Testimonials; Log In; 0 Shopping Cart. If your deck dimensions are longer than your decking boards, staggering the joints is important when laying decking boards. The boards on the right are about 8.5' and those on the left are about 12.5'. This video is part of my ebook Love Your Deck. However, if your deck runs longer, you will want to splice the deck boards over a joist. Pricing varies from retailer to retailer, and region to region. The calculator will compute the total cost of materials to build your deck, taking into consideration its size and cost of decking per square metre. Find wood beam spans, deck joist spans, spacing and sizes, the number of balusters for your railing, the number of decking boards, or size and layout of footings for your deck based on your soil bearing capacity. That allows for one-inch overhangs and cutting off some bad ends. We have deck kits and other decking materials, including decking boards, to build a traditional deck, above-ground pool deck, ground-level deck or even a porch or lattice so you can create your perfect outdoor oasis. The framing is shrinking too, but only maybe 1/4 as much as the width of the boards. Select This Size. This calculator works out the joists at 500mm centres and nails are added pick 47 x 100 or 47 x 150 both will do the job but 47 x 150 is recommended if you are raising the deck from ground level . For centuries, decks have been constructed using traditional lumber with little regard for proper deck board spacing. Because the calculator goes beyond the limits of grade, live load, and dead load in the DCA 6 and IRC tables, you can design decks that fall outside the table limits. Other systems employ a tongue-and-groove design that conceals the deck screws beneath the tongue of the mating board. For decking materials, always use pressure-treated lumber, pressure-treated decking or treated deck components for any outdoor project. Divide the cost $22.08 by 16’ and you have the linear foot cost of the board- $22.08 divided by 16’ = $1.38/ linear foot. Seaming also works well for solid composite decking, which comes in fewer lengths. Round up to 10 cents per foot tax. Ideally, with most wood, you want to leave about an 1/8-inch gap between boards after the decking has dried. When looking at total cost of a lifetime of care and maintenance for a pressure-treated wood deck, you'll see that that AZEK is a worthwhile investment in outdoor beauty and enjoyment that will add value to your home for years to come. Select value or deluxe grade decking boards, specify the length … Please get in touch with your local branch if you have any questions. Simply plug in the dimensions of your planned deck in metres and the Trex Cost Calculator will show you how much a composite deck costs in Australian dollars. The article explains the key step in placing the first deck board - the line from which the rest of the decking follows. The length of the deck and boards being used are prime considerations, as is the spacing of the joists. and eek out a longer span. ft.) The perfect starter size, with plenty of room for an outdoor furniture set. This article covers why the material type and the fastener used need to be considered. 12' X 12' Deck design (144 sq. Add the measurements for your decking area into the deck board calculator.This will calculate the number of boards you need (including a default 5% wastage) Here’s how our decking calculator works:. Using our handy decking calculator to work out exactly what you need for your decking project. The staggered boards improve stability and the appearance of the deck. Going crazy keeping your current deck stained? Plus, staggering them will resist the two halves of the deck separating. If you don't, the center beam/joist should be doubled up. If necessary, adjust number of deck boards to match in both calculations, and see if different board gaps at each end of deck are acceptable, compared to equal gaps and cutting the last board at an angle. Now install the second row of decking. I've inspected the structure and it looks excellent. Thanks to the great variety of modern decors, trendy colours and exclusive profiles there are nearly no limits for your new garden design ideas. When designing the deck, remember to factor in gaps of 5-8mm between deck boards into your plans. There are plenty of deck patterns that can be used on your next project, but some deck patterns can actually save you money without a lot of extra time! If you stagger them, that is not the case. Deck board spacing is crucial for the looks and health of a deck – it’s not one size fits all. and use all 10-ft. decking on both halves. Calculating the Cost of a Deck Board per Square Footage Example 1. When entering deck dimensions, please round up to next even length in feet; example 9'2" should be entered as 10'. FootingPad Facts; FAQ’s & Videos. Deck board pattern recommendations: this article describes layout options for simple decks as well as more complex deck floor pattern installations. The current boards are staggered 12 or 9ish ft boards that are butted up each other. Deck board stagger pattern. And there’s virtually no waste. 12' X 16' Deck design (192 sq. Re: Better way to calculate 45Âº decking coverage Greg Its more of a visual math problem than a square footage one. ft.) A few more feet sets the scene with space for a dining table. Once you know how much material you need, you can calculate your composite decking cost by visiting the Bunnings website and checking the composite decking prices. I am replacing my existing PT 2x6 deck boards with 5/4 PT, and am thinking about trying to avoid butting boards against each other on the same joist.