how deep should a 15 foot deck be

Deck Size and Height - Landscaping Network

Average Deck Size A small deck intended to hold a round dining table should be at least 12 feet by 12 feet while a large deck can be designed with much more space. The average deck size is between 300 and 400 square feet. Generally a deck should be wider

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HOW DEEP SHOULD YOU DIG YOUR FOOTINGS? - The …

11/3/2018& 0183;& 32;Question: I’m building a detached deck in my backyard and want to pour concrete footings for the posts to stand on. How deep do I need to dig before I can pour? –Kevin H. Greenville SC Answer: Hey Kevin that has a lot to do with where you live because the most important factor involved is the “frost line.”

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2020 Decking Calculator Deck Material Calculator

5/3/2019& 0183;& 32;Sketch the Deck: Lay out your deck with stakes at each corner and string in between. Then use a long tape measure to determine the total length and width of your deck enter into calculator . From here you should be able to determine your deck surface area Length X Width .

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Five Ways To Build Deck Footings - Size Shape Depth …

You can get away with usually a 15"x15" base and then at least 6" thick so you don't crack the deck footing. That is assuming you are using a 4x4 which is 3.5" square. You will have to wait for the cement to cure and then back fill over top.

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How Deep Must the Pool Be for Springboard and Platform …

3/9/2018& 0183;& 32;The point is that when a diver trains in a pool that is 15 feet deep and then trains or competes at a pool with only 12 feet of water the bottom will come much quicker than what they are used to. It can be quick enough that if the diver does not make adjustments such a strong somersault save they may find themselves unprepared for the possibility of sustaining an injury.

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Deck footings: How deep to dig deck footings? - How To …

deck footing should be at 600mm deep always dig bigger never smaller . If your engineer has specified a minimum depth you need to dig to that depth. If you reach rock when I say “rock” I mean a layer of bedrock as described in the National rather than

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When Building a Deck How Deep Do You Dig Your …

9/8/2020& 0183;& 32;And this is when building a deck how deep do you dig the post holes? Well I'm going to start off by explaining a frost-thaw cycle. What happens is the ground contains moisture when it …

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How Many Footings Do I Need for a Deck?

For furniture and people use 40 psf pounds per square foot and structural materials or dead load add 15 psf. The total is 55 psf multiplied by the square footage of the 12& 215;12’ deck results in a total loaded weight of 7920 pounds.

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Proper Deck Slope - Forum - Bob Vila

For An 8’-0” deep deck you should use a minimum slope of 1%. So you would want to have a drop of about 1” to 1 1/4” from your house or inner part of your deck to the outside edge. Hope

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Average Patio Size Diagram of Dimensions - The Concrete …

To accommodate your guests be sure to provide ample room for traffic flow. A good rule of thumb is to allow a 3-foot clearance around furniture. For more intimacy your outdoor living area should have a central conversation area designed around a focal point or .

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Maximum Height for a 4x4 Post Professional Deck Builder

Increasing the size of the post to 6x6 would mean that at 13 feet in height the post could support 256 square feet. Of course it is up to the local inspector whether to accept this documentation. Extraordinary loads — say a 6x14 glue-laminated beam supporting long-spanning joists — are beyond any code or code alternative and an engineered analysis would be necessary.

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12 Factors to Consider When Considering How Deep to …

Jumping in Feet First The pool should have a depth of 4 feet or deeper. It eliminates injuries while jumping feet first. The water should be sufficiently deep to absorb the individual’s impact. For adults and teens a deeper pool is ideal. Diving Head First For the off

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Deck cost calculator - labor and materials estimator.

Inches values should be entered as real number means 3 inches = 0.25 feet; 6” = 0.5’; 9” = 0.75’ and so on. 2 L – length of deck area in feet. Input real numbers only. Deck cost calculator computes project size average completion time and total cost to build a

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How Many Footing Do You Need For Your Deck? Decks.com

The answer depends on the size and shape of your deck the size of your footings and the size of your beams. The larger the beam and footing size the fewer footings that are required. I have a deck and its 10 x 25 also its raised by 4 feet. would I use 2x6 or 2x8

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Sizing Decks or Patio - Ask the Builder

Since the length of the table was 6 feet the minimum length of the patio or deck would be: 2 2 1 6 1 2 2= 16 feet. Try this in your own dining room. The area required for the additional 4-6 chairs is a little harder to calculate.

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Deck Beam Span Table. How Far Can Beams Span?

You should also know the size of the post you are considering to use. See the Deck Post Size Table to make that determination because it will affect the size of beam you choose. The Deck Beam Span Table on this page makes it easy to determine how far apart your posts and therefore the span of the beam should …

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How deep must my hole dug for a 12 foot tall wooden …

15/3/2011& 0183;& 32;I am adding two additional post to my patio so I can hang more shade sails. How deep do the holes need to be for me to add quick drying cement and then my 12 foot wooden post. I don't mind if the post is shorter than 12 by the time I am done.

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How to Build a Solid Frost-Proof Deck Footing The Family …

2/8/2020& 0183;& 32;How Deep is the Frost Line? If your setting deck posts move up in the spring then settle back down as the weather warms then you have a bad case of “frost heave-osis.” So how deep is the frost line? In the winter the ground freezes from the top of the soil downward. The depth of frost

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Building Deck Footings QUIKRETE: Cement and Concrete …

Project Instructions When working with cement-based products always wear eye protection and waterproof gloves. Step 1 Ensure a solid footing. Decks and other permanent structures require deck supports and footings made from structural strength concrete mix.

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Concrete Footing: How Thick Should it Be? - Hansen …

In any case the depth should be at least as deep as the frost depth in your area. Reply ↓ Mike March 25 2018 at 3:03 pm Hello everyone I’m wanting to do a 30& 215;60 concrete slab with 30& 215;30 of it closed off as a building. I’m lost as for footing on the 30& 215;30

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How to Design Deck Steps - Landscape Design Advice

Here is a good rule to remember. Two riser heights plus one tread depth should equal 24 to 27 inches. For example if your risers are 6 inches high your treads can be between 12 and 15 inches deep. Of course the deeper they are the more space they will take up

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Deck Footing Size Chart Decks.com

Glad to see you are using the oft-overlooked "sqaure feet" unit in the green area of the graphic. Michael T - 5/20/2017 4:29:55 PM - reply First line of 3000/2000/1500 seems out of place; should be farther down the chart. Right ? Thank you Barry Barry C - 2/21/2017 5:15:44 PM - reply

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How to Calculate Deck Spans for the Ultimate Outdoor …

22/6/2020& 0183;& 32;Your deck calculations plans and construction will be easier if you plan your deck with this in mind. You'll do a lot less cutting if you build a 12x16-foot deck rather than one that's 11 feet 7 inches x 15 feet 10 inches. There will be less waste too.

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How Deep Are Above Ground Pools?

Use a post hole digger to dig a hole 18" - 20" deep hole directly in from of each side brace that will be on the deeper end of the pool. The hole should be wider as the hole gets deeper. Step 2. Tightly coil the strap back to within 15" - 18" of the hold down

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