What size sonotube do I need for a 6×6 post?
The rule-of-thumb is to use a tube diameter 3 times the post width, therefore use a 12” diameter Sonotube for a 4×4” post. How do I eliminate bug-holes / blow holes? Read about eliminating bug holes here.
Can deck post rest on concrete slab?
In order for posts to properly resist varying degrees of weight, posts must rest on and be anchored to concrete footings. It’s important to note that patios and pre-cast concrete piers do not qualify as proper footings for deck construction. To anchor posts to concrete footings, you need to use a post base connector.
How big should footings be for a deck?
FOOTINGS: – Poured concrete footings should be a minimum of 8” wider than the posts (4×4 post – 12” min. width, 6×6 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.
Can you anchor a deck post to concrete?
Quote from the video:
Quote from Youtube video: Connections you can make is a cast-in-place post base these are going to have an open hollow. Area at the bottom below a standoff that you're going to imbed. Down into the concrete.
How much weight can a concrete footing hold?
To calculate the load, you should use 40lbs per square foot for live loads (these are variable loads that are dynamic such as the weight of people and furniture) and 15 lbs per square foot for dead loads (this is the weight of the materials used for the construction of the deck) for a total load weight of 55 lbs per
How deep should a 6×6 deck post be?
The general rule of thumb when setting a post is that the depth of the post’s hole needs to be one-third to one-half of the actual above-ground height of the post. So, a six-foot-high finished post ideally needs to be buried three feet into the ground.
How do you attach a 6×6 post to a concrete slab?
Quote from the video:
Quote from Youtube video: Today today we're gonna work on these 6×6 posts the ones that I put the all thread in the concrete I drill out some holes and use this Simpson Strong Tie s et – 3G it's an epoxy adhesive two-part.
Why deck posts should not be set in concrete?
Deck posts set in concrete increase rot and make it impossible to replace the post in the future if it is damaged. Also, in many jurisdictions, setting deck post in concrete is illegal; instead, deck posts need to be placed above the concrete footing extending below the frost line to 6″ (150mm) above grade.
Can pressure treated posts be set in concrete?
Quote from the video:
Quote from Youtube video: As all treated wood does. And it the concrete needs something else to really fastened into strongly. So all I do. Let's take a few exterior rated 3-inch screws in my impact driver.
How do I attach deck posts to concrete slab?
Quote from the video:
Quote from Youtube video: And use anchors that could be installed into cured concrete. If installing into concrete at the time of the pour post bases like the PBS or CBS q column base are ideal.
How do you put deck posts on concrete?
Quote from the video:
Quote from Youtube video: There are several methods for setting posts. One way is to pour concrete in the post hole. Set the post on the concrete.
How do I attach a wooden column to concrete?
Quote from the video:
Quote from Youtube video: It's an easy base fence post base. And you attach this the concrete by using concrete anchors. This particular base is made a pretty thick steel. And it's pretty rigid.
How do you calculate load bearing capacity of a footing?
Safe Bearing Capacity of Soil Testing Procedure:-
- Firstly Excavate a pit of required depth. ( preferably equal to the depth of foundation)
- Take a square cube of known weight and dimensions.
- Now drop the square-cube on the pit with a known height.
- Measure the impression made on the pit by square cube using the scale.
What size concrete footing do I need?
Footing width can vary according to the structure, site, and conditions. Under code, generally, one-story buildings with footings on undisturbed soil with LBVs between 1,500 and 4,000 should have a minimum width of 12 inches. Two-story buildings require a minimum of 15-inch wide footings for 1,500 LBV soil.
How much weight can 6 inches of concrete?
A 6-inch thick concrete with a 700-pound compression strength, for example, can support 1,105-pounds of pressure. In 7-inch thickness, it could support 1,194 psi, while in 12-inch thickness, it could support 1,563 psi.
Do I need rebar in sonotube?
Yes, you need rebar in sonotubes. It’s easy to install with spacers and very cheap. The added strength and stability it will add to your deck or another outbuilding is worth the extra time and effort to install.
How deep should Sonotubes be?
Determine how deep you want your tubes. Dig down to the frost line before pouring the concrete. Frost lines vary depending on your region. Start by assuming you want a 10-inch diameter Sonotube that is about 3 feet deep.
How many bags of concrete do I need for 12 inch sonotube?
A 12 inch sonotube requires 1.74 60 lbs. or 1.31 80 lbs. bags of concrete to fill it one foot. That’s . 029 cubic yards or 104 lbs.
What size sonotube for a deck?
A good size for a common backyard deck is a 10″ or 12″ diameter for the sonotube and a 20″ base diameter. Of course, you can get a 24″ base size and it will spread weight over an even greater surface area. The one down side to this is the extra digging involved.
How much concrete does it take to fill a 10 inch sonotube?
Based on the fixed diameter and depth (or height) of the sono tubes for a project, our customers can get an accurate calculation of the amount of ready-mix concrete needed to fill that sono tube. For example, a sono tube with a 10″ diameter and a 4′ depth requires 0.08 cubic yards of concrete.
What size concrete piers do I need?
For sizing pier diameters for small foundations, the rule of thumb is “1 inch per foot of span.” Thus, a deck that spans 8 ft. will stand comfortably on 8-in. -diameter piers, while a deck that spans 10 ft. requires 10-in. -diameter piers.
What can I use instead of sonotube?
Foundations screw piles
Pro Post Foundations screw piles in return, should be considered as your best alternative to concrete sonotubes.
Can I use 5 gallon bucket as concrete form?
Regular 5 gallon buckets have mostly parallel sides, so any bulging will make the concrete wider than the top and not want to come out. You might want to check out getting different buckets too.
How do you build a deck with footings?
Quote from the video:
Quote from Youtube video: Then fill the bottom of the hole with six inches of quikrete all-purpose gravel and compact the gravel with a two-by-four or wood post measure. And Mark the quick tube for the hole depth.
