Full Answer
How many stumps do I need for a deck?
My planned deck wil need 34 stumps. the holes for them will have to be a minimum of 2 metres deep. (As specified by the building surveyor) We have type "P" soil.
How deep should tree stumps be grinding?
Typically, tree stumps are ground from between 4” to 6” below the surface. This is the ideal grinding depth because it offers a perfect balance between grinding costs and effectiveness. Furthermore, most tree stumps do not extend beyond 6 inches below the ground surface.
How deep should deck posts be planted in the ground?
You need to be sure that your deck posts are firmly planted in the ground. How deep is deep enough, though? Well, you want to be sure that your footers are set at least 12 inches below the frost line. Your deck posts are going to connect to your footers underground.
What size hole for a tree stump?
H4 100x100 is perfectly fine for stumps, they're what I use. 400 deep hole that's 300x300. Make sure there's at least 300mm of stump in ground and set in RapidSet concrete making sure you get about 100mm of it underneath the stump.
How deep can a stump grinder go?
What is the ideal stump grinding depth?
What is the difference between stump grinding and stump removal?
What is stump removal?
Why do you grind a stump?
How much does it cost to rent a stump grinder?
How deep can a grinder be?
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How deep does a deck footing need to be?
For most deck applications, in most jurisdictions, the width of a footing should be 20 inches round and a minimum of 24 inches deep. It is important that the base of the footings be solid, and in many cases you will need to keep digging until you reach undisturbed soil.
How deep should deck posts be buried?
Each deck support post must be supported by concrete footings. The size of each footing is determined by the tributary load imposed on it. See the diagram below for an explanation of tributary load. Footing must be dug down into undisturbed soil and to a minimum depth of 12-in below the finished grade.
How far apart should deck stumps be?
Your stump holes should be spaced about 1800mm from the existing structure and approximately 1500mm from each other. These holes should measure approximately 300mm wide, 300mm long and 600mm deep.
How big of a footing do I need for a deck?
FOOTINGS: - Poured concrete footings should be a minimum of 8” wider than the posts (4x4 post – 12” min. width, 6x6 post – 14” min. width), a two level deck or deck with roof – 24”x24”. - The bottom of the footings must be a minimum of 36” below finish grade level.
Does a deck footing 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.
Why deck posts should not be set in concrete?
Deck Posts Will Rot When Set in Concrete Just like a concrete swimming pool holds water, so does concrete around a deck post. The rain falls and collects on top of the concrete with no place to go except into the post. Which acts as a natural sponge soaking up the water, rotting out the base of the post.
How deep do stump holes need to be?
3Dig the holes Make sure the depth of your hole is founded at least 100mm into stiff clay. A good rule of thumb is that holes should be around 300 x 300 x 600mms deep; however, depths will vary depending on your location.
How far apart should support beams be on a deck?
How wide apart should decking joists be? In North America, joist spacing for residential decks is 12″ to 16″ apart, or according to local building code. Most decks require 16″ spacing for the deck itself, with 12″ spacing used for special applications, such as stairs or commercial structures.
What size should deck bearers be?
The bearers have to carry the weight of the entire deck and whatever is put on top of it, so they need to be strong. A 140×45 treated pine bearer will usually do the trick. Every 1.2 metres, a 90×90 H4 treated pine post will be needed.
How many footings do I need for a 12x12 deck?
3 footingsFor an attached 12 x 12' deck, you'll need at least 3 footings, plus at least 2 more if you're planning on building stairs with it.
Should I use 4x4 or 6x6 deck posts?
While there may be a handful of circumstances that only require the minimum 4×4 deck post, you will more than likely want to choose a 6×6 post for the deck. It provides more stability for larger decks, the ability to hold a heavier load, and more room for notching.
How many footings do I need for a free standing deck?
How Many Footing Do You Need For Your Deck? 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. For most situations, you will want to place footings and posts less than 8' apart.
How deep should a 4x4 post be in the ground for a deck?
Dig post hole so diameter of the hole is 3 times the width of the post (i.e., the hole for a 4” wood post should be about 12 inches wide). The depth of the hole should be 1/3-1/2 the post height above ground (i.e., a 6-foot tall fence would require a hole depth of at least 2 feet).
Should I bury my deck posts?
The buried post method offers the advantage of reducing the amount of concrete work required for each footing and actually provides additional lateral (side-to-side) support to the post to resist wind loads.
Is it OK to put deck posts in the ground?
Pressure-treated posts should always be ground contact use for deck lumber. Deck post installation is one of many steps to building a deck. Having the most up-to-date instructions and proper treated lumber are important to ensure correct installation. Need help finding deck lumber?
Can I put deck post in the ground without concrete?
Plastic piers require the digging, but unlike footings, there is no concrete involved. The pier is put into the hole and attached the post, giving you your deck without wasting hours installing footings.
How should a deck stairway be planned?
A deck’s stairway should be carefully planned so that all the stair rises (the vertical height of the steps) and all the tread depths (the horizontal length of the step runs) are equal . If the bottom or top step is noticeably different in height or length from the other stairs, it will be a tripping hazard. Also, the stairs and its railing must ...
How wide should a stair tread be?
The stair treads should be at least 36 inches wide. Despite these minimum requirements, we recommend that stairs should be at least 48 inches wide so they don’t feel cramped. The maximum allowable stair rise is 7 3/4 inches, and the minimum stair rise is 4 inches.
What are deck stairs made of?
First, you must learn the parts of deck stairs. A landing pad is a flat surface made of concrete, pavers or gravel at the bottom of the steps. If a stairway will not be used often and the lawn is flat, a landing pad can sometimes be omitted. Stair treads are the horizontal boards that you step on. Stair treads may be made of a single 2x12, but are often made of two decking boards or 2x6s. A stringer is a wide board, usually a 2x12, that runs at an angle from the landing pad to the deck framing and supports the treads. An “open” stringer has notches that you can see, while a “closed” stringer is a solid board with cleats for the treads, or an open stringer with a solid board attached to the side. Risers are boards installed on the ends to cover the vertical spaces between the treads. Risers are often made of 1-by material, fascia board or decking.
How big should a stair railing be?
The stair railing should include a graspable handrail in most cases. Openings in the railing should be no larger than 4 3/8 inches between balusters, and 6 inches between the bottom rail and the tread, as seen in the illustration. Stringers should be spaced close enough to adequately support the treads.
What is a landing pad on a deck?
First, you must learn the parts of deck stairs. A landing pad is a flat surface made of concrete, pavers or gravel at the bottom of the steps. If a stairway will not be used often and the lawn is flat, a landing pad can sometimes be omitted. Stair treads are the horizontal boards that you step on.
How high should a stair rise be?
The maximum allowable stair rise is 7 3/4 inches, and the minimum stair rise is 4 inches. For recommendations on rise-run combos, see the tip below.
Do deck stairs have to be equal?
A deck’s stairway should be carefully planned so that all the stair rises (the vertical height of the steps) and all the tread depth s (the horizontal length of the step runs) are equal. If the bottom or top step is noticeably different in height or length from the other stairs, it will be a tripping hazard. Also, the stairs and its railing must comply with codes, which are designed to keep it firm and safe. Using pre-built stairs will usually not meet code.
How far off the ground should a deck be?
In most jurisdictions a deck less than 30 to 36 inches off the ground does not require permitting. But the recommendation is to educate yourself on them anyways. It will help you to formulate a solid design. Additional resources might be your local landscaping supplies distributor.
How deep is Michigan?
Here's a map of the frost line (depths), and you'll see that Michigan is around 55".
How much concrete does a 12" footer take?
Your typical 12" cylindrical footer will take at least 4 bags of concrete, without having the bottom belled out. Imagine trying to dig a hole for these suckers with a post hole digger:
Can you spend a few hundred dollars on a deck?
I personally would be more than happy spending a few hundred extra dollars on the total cost of a deck, if it meant that I wouldn't have to pour footings. If you decide to look into either of the Diamond or Helical piers, make sure to check with your city inspector first.
What size joists should I use for a bearer?
I'd suggest using 140x45 for bearers and 120x45 for joists.
Can I use H4 for stumps?
H4 100x100 is perfectly fine for stumps, they 're what I use. 400 deep hole that's 300x300. Make sure there's at least 300mm of stump in ground and set in RapidSet concrete making sure you get about 100mm of it underneath the stump.
How deep can a stump grinder go?
Most stump grinders can grind up to depths that range between 13 inches and 18 inches below grade. But most tree service providers rarely have to use the full depth of a stump grinder because tree stumps don’t usually extend that deep below the surface.
What is the ideal stump grinding depth?
Typically, tree stumps are ground from between 4” to 6” below the surface. This is the ideal grinding depth because it offers a perfect balance between grinding costs and effectiveness. Furthermore, most tree stumps do not extend beyond 6 inches below the ground surface.
What is the difference between stump grinding and stump removal?
Stump removal involves getting rid of the stump and the root system while stump grinding, which is one of the fastest ways of getting rid of a stump, is only focused on the stump, and not on the root system. This difference usually makes grinding a stump to be a convenient, affordable, and less labor-intensive way of getting rid of tree stumps.
What is stump removal?
Stump removal involves removing the stump and all the roots attached to it. It is thus more invasive than the alternative — which is only concerned with using a grinding machine to chew through the stump.
Why do you grind a stump?
If you have children or are fond of having visitors, grinding is also necessary in order to make your home safer. This is because stumps are common tripping hazards and so removing them will definitely reduce accidental tripping injuries.
How much does it cost to rent a stump grinder?
It usually costs between $150 and $300 per day to rent a stump grinder. This often doesn’t include the cost of transporting the stump grinder to your place. And it also doesn’t include the cost of gas.
How deep can a grinder be?
Not all grinders are created equal. Some can only grind up to a depth of 13”. Others can grind up to 18” below the ground surface. And some, like vertical grinders, go deeper than 60”.
