Questions tagged [footings]

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52 views

Add a door to a basement load bearing wall

I am finishing my basement in a 1960 home, and a doorway is in an awkward place. I want to add an additional 36” doorway in a load-bearing wall that sits atop a ridge footing that is 5” above the ...
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2answers
1k views

Can I support 6x6“ deck posts on 10” diameter poured concrete footings?

I am building a new 13x10 deck. So far I have the ledger board in place, and yesterday I finished building 3 concrete footings, 9 ft away from the ledger board. I use tubing, 36 inch deep with gravel ...
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2answers
55 views

What's the best way to pour post footings under a patio slab?

I am looking to build footings for three 6"x6" patio cover posts which will support a 6"x8"x19ft beam for a 19ft wide x 16ft deep patio cover that will fix to my house using a ...
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2answers
101 views

How far into a footing pier should rebar extend from the rock below?

Cottage is on Canadian shield (igneous rock) and unfortunately slopes off where deck footings are being installed. The deck will be secured only to a corner of the cottage and the two furthest ...
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3answers
215 views

Can pressure treated wood be buried in concrete?

I was planning a relatively simple, 6x8ft "2-post" pavilion, just a small structure to provide protection to a small bench. This design would require to bury the wood into the concrete ...
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1answer
54 views

What would be the potential pitfalls in pouring a concrete patio over deck footings and then securing the posts to the slab?

I am going to have a 4" concrete patio poured in my backyard, and over that I want to build a 2nd story deck. All of this essentially occupies the same space, meaning the posts either need to be ...
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1answer
58 views

Concrete Footings for 16x24 log cabin

I am buildings a 16x24 log cabin in rural West Virginia. It will not have electric, running water, or any type of HVAC. One of the biggest worries I have, as I feel I should, is the foundation. I am ...
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1answer
174 views

How can I pour a concrete patio under my existing deck without surrounding the deck posts in concrete?

I would like to pour a concrete patio under my deck. The concrete company said they would just pour the concrete around the posts with a expansion joint around the posts. I thought that would cause ...
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1answer
43 views

Deck blocks below frost line

I am replacing my old deck that was completely rotten. The original was non treated lumber so it just was toast. The deck is only about 2' off the ground and 15' out from the house. It extents 30' ...
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2answers
155 views

Concrete retaining wall with lean and crack, looking for input

We bought our 100 year old house “as-is” a year ago with various small cracks and a firm, but somewhat eroded foundation. This all needs to be addressed eventually, however, a large crack with ...
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1answer
48 views

Installing a porch over a concrete patio, issues-concerns?

I am working on a house right now and we are trying to figure out what to do with the backyard. Right behind the house there is a 4" concrete pad. It is about 14'x25' and sits pretty flat with a ...
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2answers
96 views

How can I prevent post support brackets from creaking under foot traffic?

I (well, a contractor) added a new addition to my house, and the floor creaks when I walk on it. I crawled under the addition and identified the problem. On each footing, there is a steel bracket ...
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3answers
668 views

How high should the tops of concrete piers be above grade?

I'm about to pour some footings for a covered deck. I'm going to be putting 6x6 posts on top of concrete piers, but before I cut my sauna tubes, how high should my pier project above grade? Is there a ...
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3answers
361 views

How do you reinforce round deck footings?

I'm building a covered deck on some weak soil (clay/sandy clay). I'm going to use 24" round footings that I was planning on reinforcing with a bunch of left over rebar. How can I effectively reinforce ...
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2answers
50 views

above ground pole support for sail cloth

I need to create above ground, mobile "footings" for metal poles to hold sail cloth. I was thinking of a cardboard tubing, filled with concrete to hold a sleeve to insert the pole into that will hold ...
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1answer
301 views

What is the correct tool/method for digging out existing concrete holes for fence posts

My garden needs a new fence as well as two new fence posts. There is an existing concrete base along the boundary which is already securing three posts and has holes where two posts snapped in the ...
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1answer
654 views

How to calculate sizing for treehouse footing?

I would like to build a small free-standing treehouse without digging into ground and/or pouring concrete. Here is what I have in mind: It is, of course, for kids, so I don't think I need it to be ...
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1answer
558 views

Rental equipment selection for digging 52" deck footings?

I need to put in about 20 concrete footings for several deck-related projects. The footing base should be 12-18" (but see note below). Frost depth in my area requires footings to be 52" below grade (...
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1answer
64 views

Do you need to use concrete for permanent garden fences?

I was at the hardware store today, and saw they suggest using concrete for footing the posts. Is this step really necessary as the mycelium in the soil will hold the posts in place, and there won't be ...
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1answer
60 views

Sill thickness larger than 2"

Can a sill plate be larger than 2" thick? I installed a footing to carry a point load. I will be installing 3 LVL's on top of this and then trimmers to support a header. So I need the need to get ...
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4answers
5k views

How to keep buried deck posts from rotting

This is related to a question I asked earlier regarding my deck footings. I had a pool deck built last fall. The footings are 4' deep and 12" diameter. There are metal post brackets attached to the ...
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1answer
511 views

Regrading under deck to protect footings from water

I had an above ground pool installed and a deck built around it early last fall. The way the builder built the deck footings was to pour 4' of concrete 12" in diameter, then attach metal post brackets ...
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1answer
1k views

How close can a deck post footing be to a retaining wall?

How deep does a deck post footing need to be if it’s directly behind a retaining wall?
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1answer
202 views

What type of foundation is best in an area with silt loam soil, cold climate, and high water table?

I'm in the initial stages of planing a structure build, I say structure because what I'm really looking to build is an off grid ( no running water or sewer for staters ) vacation cabin on apiece of ...
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2answers
4k views

Replacing Rotted Deck Footings

Afternoon, folks. I have a deck that I am re-decking. Easy job, until I found that all of the footers were rotted out. The deck is bolted to the house on two sides, and the remainder of the deck is ...
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2answers
161 views

Basement Footer Removal

This is kind of a convoluted situation, and I hope it isn't too confusing. I just bought a home with my wife, and in the basement there was a hideous bathroom. Functional, but hideous. So I am ...
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1answer
411 views

How to lay rebars for a 4'x4'x12" footing for a column?

I have three columns to support lvl beams under an addition and have a question about proper rebar layout for each (identical) footing. All specs are already checked by engineer, but there is one ...
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0answers
77 views

Removing Column Footings

I'm working on a basement renovation, and behind the wall I found the steel columns which I expected, but rather than sitting on the concrete slab like the other exposed one, there is a concrete ...
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1answer
38 views

How to establish footings for a raised frame

I have a situation where an old wood-framed garage with a concrete slab has been jacked up about 6" to increase the door heights and head room. Currently the studs are just resting on little brick ...
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2answers
573 views

is it safe to remove soil from basement footing?

I'm planning to renovate my basement so that I can use it as additional storage room and access for internal stairs. My basement is half concrete and half soil covered. I'd like convert the soil area ...
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0answers
640 views

How to repair broken suspended cement slab

The very corner of the cement slab, which forms the floor of my basement, broke off. There was nothing supporting it underneath. the portion that broke off forms a triangle 11" x 10" x 14" x 3-6" ...
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2answers
655 views

Leveling a sinking 1st floor addition that is about 4' off the ground [closed]

First time home buyer looking for good advice about possibly raising a sunken 2 room addition ourselves. Wood frame, the sill is in good shape no rotting. No warping or "cupping" of the rooms. The ...
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2answers
63 views

moving big shed footings

i need to move a 16x20 shed back about 12', so half the shed will remain on existing footings. the current footings are all poured concrete. do i need to dig new footings or can half the shed just sit ...
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2answers
2k views

How can I protect partially buried deck posts from decay?

I poured concrete footings for my deck. I put the galvanized post base and the 4x4 post on it. Now I need to raise the ground/dirt level as water puddles there. But if I raise the ground it will cover ...
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0answers
392 views

Is it OK to seal the top side of a deck concrete footing?

This is a follow up for this question Deck footing 2" above the ground -does that apply to a patio? What is the reason behind the 2" restriction? I decided to have my concrete footing under ...
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1answer
494 views

Drilling rebar hole in 12" concrete footing

My deck has 6"x6" wooden support posts sitting atop 12" diameter concrete footings. The tops of the concrete footings are about 16" above grade. When I inspected a little below grade, I discovered ...
3
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1answer
3k views

Deck footing 2“ above the ground -does that apply to a patio? What is the reason behind the 2” restriction?

I am doing the design of a deck footing and in many places where I read it says that the footing (sonotube) should be set with the top end terminated 2" above the ground level In my case I am ...
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1answer
49 views

Which subcontractor installs 2" foam board at footings and on poured walls?

Please, which sub installs the 2" foam board (northern climate) on footings and the poured concrete basement walls? excavator, or cement contractor, insulation contractor or ? Hubby and I are ...
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1answer
842 views

Fixing porch-supporting pier that settled because of bad drainage

I've got a wraparound porch on the house. It's supported by a half dozen 28" x 30" x 24" concrete piers (plus other sized concrete piers elsewhere) along the front of the house. They're all floating ...
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1answer
148 views

Can I pour a concrete footing on very wet base material?

I'm ready to pour a concrete footer for a small retaining wall. The footer will be 8' x 1' x 6". I spread and, with a plate compactor, compacted 6" of crush and run which will be below the concrete ...
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0answers
135 views

Question about fixing footer drains with no access

House is in Midwest. Built in 1997. In 5 years we have had water come in at the same spot via the basement floor 2 times. Once during a massive spring rainstorm and once when 4 feet of snow melted ...
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0answers
60 views

Pin foundations

Are patented pin foundations worth their price? Would simply drilling holes into a concrete block, driving rods into the ground to frost line depth, and securing the rods to concrete block with ...
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0answers
293 views

Placing a manufactured (tiny) home / RV, trailer foundation on stands or blocks

What are the best practices in placing a fairly temporary, a few years with full time use, 10K lb manufactured home/ rv with a trailer foundation on stands/blocks in the western pacific cascades? ...
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2answers
2k views

Should I use concrete for a 2" square metal fence post?

I recently moved into a new home in upstate New York which has a fence around the backyard. The fence is made out of some kind of metal and the fence posts are about 2" square. One of the fence posts ...
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2answers
146 views

How can I prevent decay in a deck post resting on the house footing?

The porch I'm building is 20' x 15' with the 20' side running along the house and the 15' coming out. I have a ledger board connection with 6 footings around the perimeter of the porch. 5 of the ...
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1answer
413 views

Angled Post Connector

I'm looking to build a pergola like this one. Would a connector such as the concealed Simpson StrongTie CPTZ work for the posts? The specs seem fine, what I'm worried is the footnote "Post bases do ...
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0answers
731 views

Footing for 4x8 swingset beam and playhouse

I am building a playhouse with swingset attaching to it. One side of the swingset beam (4x8x12) will be A-frame. The other side is attaching to the playhouse. I have a question about attaching to the ...
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1answer
335 views

Is this base idea sufficient for a ground level, not attached to the house wooden patio?

I have a rough plan for a ground level deck. The deck will not be attached to anything though it will sit under and extend a bit from a free standing pergola. My plan is to bury most of a cinder ...
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1answer
2k views

Am I required to use footings when building a deck or can I just have the posts resting on the ground? (Wisconsin)

I want to build a deck for my house but I don't really want to dig holes and pour concrete for the footings. Can I just build the deck on ground level using something like this to support the posts? ...
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1answer
62 views

I need a concrete footing to be 5 feet tall. What circumference and reinforcement do I need?

I am building a deck which will be 24 feet off the ground. In order to use shorter posts can I build footings that will be approx. 5 feet tall from the soil line? If so, how wide around (...