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Questions tagged [foundation]

The base on which a house or other structure is built or installed, connecting the structure and transferring its load to the ground. Questions using this tag should include additional tags to identify the type or material of the foundation.

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1answer
84 views

Numerous Cracks in Poured Slab

I am building a home in the houston area. nearly 3000 sq. ft. 1 story house, so a pretty big slab. I am noticing now while walking through the home during the electrical wiring stage that the slab ...
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1answer
124 views

Estimating frost heave displacement?

I'm planning a storage shed underneath a deck. I'll assume that the deck is anchored below the frost line and won't move when the ground freezes. I'd like to build the shed on just a floating gravel ...
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2answers
127 views

Help needed identifying major structural issues

So here's the low down: Bought a home about four months ago. Inspection made no mention of any cracks anywhere, and honestly didn't even mention a single thing about the foundation (probably a big ...
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3answers
62 views

Wet blocks AFTER French drain and weep holes

I had water leaking in my cellar from bottom of floor. Water was NOT on blocks at all. Now after French drains and weeping holes put in, the cinder blocks along the bottom of floor are wet. Will this ...
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1answer
45 views

Foundation flooding caused by new septic line

We've been living in our house for 10 years, and a few years after moving in our sewer line began backing up every 6 months or so. Each time, we'd have to pay a plumber to come in a "roto root" or ...
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2answers
71 views

Span between wood post for stilt cabin

I intend to build on Weiss Lake in AL. If I use 8x8 posts, can I span 10 ft with 2x10 or should it be 2x12 for the floor joists? Also was wondering for the foundation can I just sink the wood post or ...
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4answers
79 views

Pros and cons of plastic/gravel shed bases vs concrete base

I'm going to have a 10x8ft shed installed in my back garden. I'm wondering if I should pay someone to put in a concrete slab base or use one of those interlocking gravel filled bases you can get. I'...
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2answers
179 views

Horizontal Crack in Foundation

I was hoping to get some guidance. I recently purchased a home. During the inspection process, the inspectors put in their report that there was a hairline horizontal crack in the foundation. It ...
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2answers
74 views

How to protect wood when applying concrete patch

I uncovered a situation where a couple header boards were embedded into the basement foundation. You can see in the photo they punched a hole in the foundation and ran the boards through it. I can't ...
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2answers
29 views

Foundation cracks in new home construction North Texas

I am currently building a house in north Frisco and I noticed a some cracks from the middle of the foundation and they go down to the side as see in the pictures. I have not yet contacted the builder ...
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1answer
1k views

New house concrete slab foundation cracks

I am building a new house in North Texas, it has been 17 days since the foundation was poured, I live close to the construction site, so I've been going 2-4 times a week. Today I finally was able to ...
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2answers
87 views

Leveling ground under old shed

I have an old large shed I'm trying to get back into shape. The building is about 50 years old and 16'x48'. One of the long sides had sunk in the middle by about a foot, giving that side a bit of a 'V'...
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0answers
32 views

My granite foundation was underpinned and has load-bearing 6x6 posts around the perimeter of the basement. How to repoint behind them?

My building has a granite block foundation supporting a brick structure above it. In the 80's, the building was gutted and the foundation was underpinned. They added load bearing posts around the ...
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1answer
32 views

Exterior of addition's foundation leaks

My driveway runs along the side of my house to the back yard. One of the ten foot sections has shifted so that it angles towards the house. Water collects there and seeps into the house. The room it ...
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1answer
49 views

Extending 2x4 joist to square up shed foundation

Long story short I constructed a shed foundation on uneven ground with piers concreted into the ground. This however turned out to be 2” out of square and is a slight rhombus shape - and to correct ...
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3answers
2k views

Is 4 ten-feet 4x4s enough for a shed foundation?

I've ordered a 10x16 shed and building a shed foundation right now. Basically I did 8 concrete piers and I'm planning to just run four 4x4 timber posts in parallel. Will that be enough of a support? ...
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2answers
52 views

Shed foundation piers are not square

Basically I've constructed a raised shed foundation using piers concreted into the ground, however they are out of square by 2 inches in opposite corners, so the shape is a slight rhombus. See below ...
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3answers
49 views

Does Homeowner's Insurance Typically Cover A Broken Well?

My well is horizontally fed through a wall in my foundation. It recently rained a lot and I believe the pipe that feeds my well has been cracked. I had to cut the power to my well pump in order to ...
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1answer
135 views

How to Fill Gap Between Steel Beam and Concrete Pillar?

I have a Concrete Foundation Pillar that is 5/8th of an inch too short. What filler materials are appropriate when a steel I Beam will be resting on it? Can I use mortar, or is steel more appropriate?
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2answers
1k views

Water seeping through where pipe exits slab foundation

OK, the backstory can be found in this previous questions: Repairing leaking DWV vertical 3" thin wall PVC. Basically, found mold growth behind baseboards of a powder bathroom adjoining the kitchen. ...
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1answer
50 views

seismic upgrade - verifying foundation integrity

We want to do a seismic retrofit on our foundation. House built in 1904. No cripple wall. Mud sill with rim joist. Foundations have a recent skim coat (that we did not do). Concrete slab. So the ...
2
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1answer
95 views

How to determine if my house is continuing to settle?

My house has settled a bit since it was built 100 years ago, especially the porches which aren't over the main foundation. It seems to me that some doors have become harder to close over the past 2 ...
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1answer
29 views

Foam sheeting and siding below grade

Just bought a new house and there was a newer addition that had a shallow ditch on all sides. The yard slightly slopes towards the house. I was going move some soil to properly grade, but discovered ...
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1answer
94 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
47 views

Need help identifying flooring element

I am looking to install vinyl flooring on my basement (ground level). I will be removing the existing tiles. On 2 of the walls (the ones that face the exterior) I have this mini step along the walls (...
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2answers
199 views

How to fix old un-suppported basement wall in house that has had added basement?

I have an older house (circa 1919) that was built without a basement (just a crawl space). About 1965 a basement was added. Along one of the old concrete foundation walls there is a 7 foot section ...
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0answers
28 views

our walls in the basement are 4 ft wide are these walls made of concrete

My basement has a 4 ft wide ledge foundation around the basement, is this made of just concrete or dirt behind the concrete. We need to know because we want to finish the basement in wood.
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1answer
172 views

Concrete sinking in front corners of attached garages

I was looking at buying a house and the concrete in the garage sunk about 2" on each front corner, leaving gaps under the garage door. I then realized that at least 5 houses on the same street had ...
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0answers
74 views

Why is there a large walled off space in the middle of my basement?

I just moved in a couple months back and noticed that this wall was a lot thicker than expected, lots of unaccounted for space. I was honestly expecting to find a body in there :P glad I didn't! ...
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2answers
644 views

Plywood over rigid foam over concrete: will I have moisture issues?

Short version: If I install 3" of rigid foam over a poured concrete foundation wall that has been sealed with Xypex, will I have any moisture issues if I install plywood directly over the rigid? ...
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3answers
29k views

Door sticking, frame no longer square, is this serious?

I'm a rookie home owner. My "mudroom" door (never heard that term before this house) has started to stick. The house was built in 1952. At the time it was just the house, and the garage and mudroom ...
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1answer
53 views

Will preformed concrete piers make a sufficient shed foundation in a seismically active region?

I'm building a 10' by 16' shed/workshop, and I'd like to use preformed concrete pier blocks. Is this a sufficient foundation for such a structure in a seismically active region like the Pacific ...
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2answers
440 views

Does Age of Home need to be considered when encapsulating crawl space?

I have had my crawl space encapsulated. It has made a big difference in the air quality inside the home (80 years old). However, I am now seeing cracks throughout my home in the walls closer to the ...
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1answer
82 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
115 views

How can I repair the foundation and plaster coating in my old home's foundation?

I have a house which was built in 1890 in western michigan. The house is a fieldstone foundation. It appears at some point it was plastered or covered. On the west side of my basement there also ...
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0answers
32 views

what to fill surface water drainage trench with

Cabin is at bottom of steep driveway. Water runs down and into crawl space. One very large ditch about 15 feet up gets most of it. This ditch gets remainder. On hand - 1 inch round stone, tyvek, ...
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0answers
35 views

Concrete slab insulation is in the way - cut it back for flooring?

I have a converted garage built on a concrete slab. The slab is insulated with styrofoam panels which extend into the room about three inches, so the flooring does not go all the way to the interior ...
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1answer
68 views

Why would only part of a foundation be stabilized? [closed]

I just came across a foundation repair report, and I noticed that the area of the home that most significantly deviated (bottom left) from the reference point was the only part not stabilized. What's ...
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3answers
9k views

Will an old oak tree close to my house cause problems?

I'm considering buying a 45 year old house. The house is in good condition, and has a big old oak tree 15 or 20 feet from the back of the house. It's a beautiful tree, clearly as old as the house, but ...
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0answers
43 views

Foundation related crack assesment

I'm considering purchasing a home built in 1969 in a region with clay soil, where foundation settling is quite common. Looking at the exterior brick veneer, I noticed numerous cracks on 3 sides of the ...
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1answer
168 views

So Cal garage conversion: Proper way to level floor

I own a tract house built in southern california built in 1995. There was a builder option to have a 3 car garage (standard 2 car with tandem garage) or a super family room where the extension ...
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0answers
21 views

Repointing stone basement

I am looking into which cement to use to repoint our old house (built ~1900) stone basement. I found conflicting advice, some suggesting type N or type S is fine, but some sources suggest that ...
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3answers
797 views

How can I prevent water from flowing into my carport under the wall plate?

The carport was enclosed but no additional concrete was poured. The sill was screwed directly into the concrete. As a result of being so close to to ground, water has come in under it about 2-3 inches....
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0answers
34 views

Waterproofing Brick foundation

I live in a brick house built circa 1975 in northern Alabama. It has a huge brick/cinder block/concrete front porch. The brick is a veneer that goes around the bottom. When it rains, some of the ...
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2answers
68 views

Is my plan for a shed base on pre-cast concrete supports reasonable?

Will this work for a 10 x 8 plastic resin shed - 3 deck pyramid blocks on a side (corners and in center of a side) and two in center. Dig down 6 inches, tamp, gravel (have .5 to 1 in round stone on ...
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3answers
69 views

Crawlspace Post to beam lumber grade

Recently we replaced some of the rotten and cracked true size 4 in x 6 in. posts under the house in crawlspace. The old posts were resting on concrete pads 24 in. x 24 in. and supporting a true size ...
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3answers
23k views

How to seal between sill plate and foundation wall with wide gap?

Here is a picture of the top of my uninsulated basement wall. The foundation is poured and from early 1970s. For orientation to the photo: the white in the lower left corner is the vertical face of ...
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1answer
324 views

Water on block foundation wall

I have water on the top 4 feet of my basement foundation wall. This goes around almost the entire perimeter of the basement. The bottom 4 feet of blocks are dry. Any ideas the cause? Can someone ...
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0answers
26 views

Rock Pit Drain, pumping up to neighbor

My neighbour built a new home, and a laneway home, 4 years ago. I believe he has a rock pit under the back house, and drain tile leading forward to the road (city) for the front. I have been ...
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2answers
432 views

How urgent is it to fix cracks in foundation?

I have a house with a floating slab floor built on a cement foundation. There is a crack in the foundation that is 1/8 inch wide which has existed since before I moved in 4 years ago. I never ...