Home Improvement Stack Exchange
Home Improvement Stack Exchange

Questions tagged [footings]

114 questions
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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 on the bottom (30 inch tube+ 6 inch gravel, as…
Max M
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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 a scrap wood frame). My idea is to pour concrete…
Brh
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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 looses about an inch across 9 ft. The kitchen to…
MiltonMan
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How can I efficiently dig small footing holes?

I am trying to dig holes that are 18" square, and 12"+ deep. The site is mostly undisturbed soil, although there is a thin layer of topsoil or fill in some areas. The soil is glacial till, so a mix of sizes. Plenty of rocks. I use a mattock to…
Jay Bazuzi
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How/where can I find out what the frost-line is for my area?

Aptos, CA, United States What service or documentation resource can I use to determine what the frost-line is for my area? I'd be inclined to ask the county building/planning office but I suspect that they'll want to charge for answering a…
Mike B
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What are some tips for tamping gravel?

I'm packing medium-sized gravel (1.5"-minus crushed rock) in to holes, to provide a stable base for pier blocks in clay-rich soil. There are 30 holes, roughly 24" diameter, 18" deep. I have a 10" x 10" hand tamper, but my carpenter friend said that…
Jay Bazuzi
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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 but notice that one corner is cutting it very close…
djs
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Should I pour a footing and pier at the same time?

I am pouring concrete for deck footings. I need an 18in diameter footing to carry the weight, and I will also use a 8 in diameter pier to bring it to an inch above ground. The footing must be 30 in below ground and 8 in thick. I am going to use a…
Michael
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How should I build the concrete footings for my deck?

I plan on making a small deck and I live in Howard County Maryland. The deck code here says that the concrete footing must be 30 in below ground level and have a thickness of at least 8 inches (i.e. to 22 inches below ground level). This which…
Michael
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Recommended footings for deck built on rock with 5-10% grade?

I'm looking to install a 30' decking platform (for a yurt), 3' above grade, on a plot of land I own. The site has a mild grade (5-10%), made up of metasedimentary rock, with ~1" of organic matter at the surface (not enough to dig into). What…
inneedofadeck
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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 the footing is at grade level. It extends from…
Ray S Pierce
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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 3 or 4 pieces of rebar into the bottom of my hole…
Brh
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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 is going to be close to 4 feet tall, not counting…
ttothec
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What can I fill a trench around my house with to avoid creating a drainage issue?

I am planning out my footing insulation job. Right now it's a pretty standard floating slab-on-grade with footings extending down a few feet, and the footings are uninsulated. A ring of concrete was, at some later point, poured around the original…
iLikeDirt
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How do I determine the correct rise of a step for a concrete footing on a slope?

Going to be building a retaining wall in the front yard on a slope. I'm going to be using King size residential bricks to make a 2 wythe wall. Because of the slope I'll need to have 3-4 steps in the concrete footing and was planning that the rise of…
TugboatCaptain
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