Questions tagged [footings]

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2
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1answer
82 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
vote
1answer
88 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 (...
0
votes
1answer
53 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 ...
0
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1answer
27 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 ...
2
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4answers
673 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 ...
0
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1answer
84 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
250 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?
1
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1answer
67 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 ...
0
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2answers
818 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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1answer
77 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
votes
1answer
126 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 ...
1
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0answers
43 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
36 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
248 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 ...
1
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0answers
435 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
360 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
vote
2answers
53 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
vote
2answers
978 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
161 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
votes
1answer
235 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
1k 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 ...
0
votes
1answer
45 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 ...
1
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1answer
482 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 ...
1
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1answer
111 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 ...
1
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0answers
93 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 ...
0
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0answers
48 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 ...
0
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0answers
220 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? ...
3
votes
2answers
879 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 ...
0
votes
2answers
119 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 ...
0
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1answer
284 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 ...
1
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0answers
518 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 ...
0
votes
1answer
234 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 ...
1
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1answer
1k 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? ...
0
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1answer
53 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 (...
1
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2answers
347 views

Do deck footings need to be spaced evenly?

I am planning to create a deck around 2 trees. Because of a irregular shape of the deck, it's hard to make the footing spacing uniform. I plan to have them 53" apart but some area will have footings ...
0
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1answer
1k views

Footing for deck on slope with one side near grade

I am extending my deck and plan to make it a freestanding deck (just to avoid attaching to the current one but it will be close on top). I plan to have a row of 4 posts on the lower level (left). ...
0
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1answer
1k views

Ground preparation for deck pier block

I am planning to extend my deck, which uses pier blocks as below photo I cannot tell what's underneath this pier block because it was just dirt. There was no pour concrete for certain. So my ...
1
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1answer
419 views

Soil under slab (sidewalk) washed away and is now causing cracks down the middle

I have a 50' x 6' concrete slab in front of our basement that supports the same size wooden deck above with 6 post for the upstairs. The soil under it washed away due to poor drainage. I have fixed ...
1
vote
1answer
104 views

Greenhouse (cold frame) side walls - footing question

Planning a hoop house, or cold frame style greenhouse. I live in Nebraska, we get pretty consistent winds, not unusual to have 50 mph gusts. I want set two parallel 3-4 ft tall rows of 4x4 posts, 4 ...
3
votes
2answers
6k views

How to repair / reinforce deteriorated footings and subsoil below brick & concrete porch

My fiancee and I recently moved into a 1922 brick craftsman-style home. The front porch has a ~4" poured concrete floor and large solid concrete railing caps (12"W x 4"D). Brick columns support the ...
1
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0answers
1k views

Small pergola — 4x4 posts okay? 8“ or 12” footings? etc

We are planning a small narrow "pergola". Actually it is a weird combination structure. My husband wants a pull-up bar, I want it to be a landscape feature that looks nice, and it will be alongside/...
0
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3answers
22k views

How wide does a 6x6 concrete post footing need to be using an elevated post base anchor?

I'm building a pergola over a paver patio. The pergola will dimension 11'x 11.5' on center of post with 6x6 posts (4 posts), tied together with sandwiched 2x12 beams. I've laid out footer locations ...
3
votes
2answers
13k views

Adding rebar to deck footings and piers?

I've heard a few people mention adding rebar to deck footings and piers to make them stronger, but I haven't been able to find any details on how exactly to do this. Is it sufficient to just hammer ...
6
votes
4answers
1k views

How will concrete fill in?

So I am pouring some footings for a deck I am building and my current plan is to dig a hole that is 18" wide and 18" deep. I'm then going to suspend a sonotube about 6 inches above the bottom (using ...
3
votes
3answers
1k views

What's the right approach for insulating the slab & footings underneath a masonry fireplace/heater?

The fireplace will be located in the middle of the concrete slab (away from the foundation stem walls) so it will have its own footing. My impression is that footings should rest on soil & gravel ...
3
votes
1answer
1k views

Deck Footing capacity with BigFoot base

I'm planning a new deck (completely replacing and enlarging an existing deck). The deck will be 25'x15' w/25 ft being attached to the house. I'm trying to determine what footings are required. ...
7
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3answers
1k views

What can I do about a Rough opening that is REALLY out of square?

The house I am living in has a rather interesting problem. Due to what I suspect was Jack Daniels building inspections in this town in the 80's, the footing wall under the second floor dining room ...
2
votes
1answer
3k views

How tall can I go above ground with a concrete footing?

I am building a 20' x 20' foot deck with a 10' x 12' Pavilion in one corner, away from the house.I need the concrete footings for the pavilion to be flush or just above the surface of the deck. There ...
2
votes
2answers
424 views

Using old roof footings for a ground-level deck

I had a 40 year-old, asphalt shingled, hip roof (14x18) over a concrete patio that had 4 posts w/footings that supported it in a line opposite the house. The footings, that are still there and were ...
3
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4answers
65k views

Retaining wall: footing or no footing?

I'm looking to build a retaining wall on my sloped backyard. I'll be using cinder blocks (with mortar to join them together and rebar for added stability). (added info: at the lowest point the wall ...