Questions tagged [footings]

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1answer
49 views

Can I use this 1-2cm brown gravel to make concrete for climbing wall footings?

I'm building a rock climbing cave in my backyard. The average height is about 4 metres. It will be made out of wood (hardwood sleeper studs, 19mm ply for walls). Floor area roughly 5mx4m. I am not ...
4
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1answer
115 views

Is this basement footer going to cause issues?

I'm having an addition put on my house with a full basement. The contractor poured the footer and is getting ready to do the foundation walls. He marked the lines for the walls, and I couldn't help ...
5
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2answers
135 views

How do I run the PVC conduit into a garage with a ground-level foundation?

I need to run conduit underground to a new garage. My problem is I don't understand the proper way to run the 2in PVC conduit outside to the sub panel. The wall sits on a 3ft 8in stem wall. The top of ...
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1answer
105 views

If my home has no footing, how dangerous is it for a contractor to install an indoor drainage system in my basement?

I have gotten estimates from some contractors for installing indoor drainage in my basement. They'd be breaking into the concrete floor around the edges of the basement, right next to the basement ...
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2answers
85 views

Is it a problem that my post bases overhang the footing edge slightly?

I am building a pergola, which will be supported half by the garage with a 2x8 ledger board and half on 3 posts. I poured the 3 footings, without thinking too much and they only had 8" form tubes ...
3
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1answer
326 views

Should concrete footers be separated from a concrete slab?

I am going to build a pavilion over a concrete slab and I am wondering what would be the best way to set up the footings. I was planning on using steel column bases set in 12 inch sonotubes. There ...
0
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1answer
77 views

Building a deck... Pier Size / Loading Question

I am building a deck. I have most of things sized out properly I think. I just want to confirm that 12" piers are enough for what I am doing. This is a freestanding deck next to a pool. Did I ...
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1answer
71 views

Are metal anchors or buried posts better for 6 x 6 posts for a pavilion?

I'm trying to figure out the best way to set 6 x 6 posts for a pavilion. I'm considering the two methods below. I know they both have their good and bad points. I believe the first will extend the ...
3
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3answers
1k views

How deep do I need to make the post footings for a residential deck in Northern Michigan?

How deep do I need to make the post footings for a residential deck in Northern Michigan? The 12" X 20" deck will be less than 2 feet off the ground.
3
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1answer
61 views

Insulating wooden beams / frame from concrete footings

I am building a wooden terrace based on frame made of pressure treated lumber (ground contact grade) placed on concrete blocks ("on-grade" footings). Something like this: What I know is ...
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2answers
218 views

How clean does the surface of new-poured concrete footings need to be before pouring piers?

I'm moving a 8x16 shed-turned-shop onto nine 10" piers on 16" footings over a clay substrate. I'm doing a split pour. I have already dug the holes, poured the footings and set the vertical ...
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1answer
92 views

Removal of the cardboard pier footing forms in the crawlspace - how to do it?

Home inspector put this in the report: ========================= Recommend removal of the cardboard pier footing forms in the crawlspace. Cardboard is a wood biproduct and its contact with the soil ...
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2answers
96 views

Is there a way to secure a hoop house other then driving posts into the ground?

I wanted to build a hoop house, but I need to be able to drive stakes or 1 5/8" pipe into the ground to hold the hoops (pvc or 1 3/8" top rail.) From all I have read, these ground pipes or ...
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1answer
378 views

Can I cut out a 12" section of a footing to run new plumbing in a basement?

I am finishing my basement and need to run plumbing to the planned bathroom. To do so, I need to cut out a 12" section of a footing (can't go under it). The section in question is under a door ...
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0answers
24 views

Pouring concrete slab around wood posts of covered porch [duplicate]

I have a covered back porch. Sloped roof attached to the house on one end and supported by four 4x4's which are cemented in the ground on the other end (I assume there are cement footers below the ...
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0answers
67 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 ...
8
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2answers
5k 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
1k 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
443 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
3k 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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2answers
408 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
174 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
2k 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 ...
1
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1answer
154 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
981 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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2answers
104 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
2k 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 ...
1
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3answers
897 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
71 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
592 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 ...
2
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1answer
1k 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 ...
1
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1answer
983 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
71 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
160 views

Is it allowed to use a sill plate with a thickness greater 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 ...
2
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4answers
9k 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 ...
1
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1answer
815 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 ...
3
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1answer
3k 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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2answers
355 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 ...
1
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2answers
7k 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 ...
1
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2answers
267 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 ...
2
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1answer
624 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
116 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 ...
1
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1answer
40 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 ...
0
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2answers
806 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
809 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" ...
1
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2answers
858 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 ...
1
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2answers
70 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 ...
1
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2answers
3k 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 ...
0
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0answers
537 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 ...
2
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1answer
655 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 ...