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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
46 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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1answer
85 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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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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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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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
75 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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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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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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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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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
137 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
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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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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75 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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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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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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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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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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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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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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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
70 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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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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1answer
92 views

What are these small holes in my foundation?

I recently removed the flooring in my house, without a basement, and found neat, evenly spaced (1/4"?) holes. What are they? Should I fill them?
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1answer
146 views

What is this panel in basement wall of 1940s house?

When I removed a cabinet from our basement wall today I discovered the panel in the photo below. The panel is metal, approximately 2 ft wide and 1 ft high. It has five 1.5 inch holes in it, each one ...
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1answer
33 views

What should I use to replace extra thick (1.75") sill plate? Should I shim 2x dimensional lumber?

My house was built in 1956 and I have come across some sections of sill plate on the cinder block foundation wall that need to be replaced due to termite damage or rot. It seems that they used some ...
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0answers
35 views

Snap Chalk Line for sill plate, or for rim joist?

What do you guys find is best for layout after getting the foundation poured for a house or garage? When you go and snap your lines that are perfectly square, is it better to have your sill plate ...
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10 views

footings and block wall,

For crawlspace foundation, I have seen two different configurations, 1. pour a concrete footings, then build the foundation on top of the footings with a block wall, about 18 in high 2. pour the ...
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0answers
25 views

Shed foundation across concrete and dirt, what approach would be good to use

I am planning on building a small shed, perhaps 8 or 10 foot by 4 foot. The place I want to build the shed will span across concrete and dirt/ground. The ground is about 2 foot, so it would be half ...
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4answers
78 views

Is it a problem to leave a sprinkler line through concrete shed footing?

I'm in the process of getting an attached shed built in my house (due to HOA restrictions). They seem to be very competent. The contractor is subcontracting the concrete foundation pouring. They have ...
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0answers
32 views

Can a threaded rod in my foundation wall (in both wall anchors and support beams) that is leaking be made water tight?

Work was done on our foundation walls in 2003. We bought the house in 2016 and are now experiencing water leaking at the threaded rods coming in our house in both wall anchor plates and support beams. ...
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0answers
59 views

Do cracks in my home's stucco indicate foundation issues?

My hubby and I purchased the home in 2015. We are currently noticing cracks both inside and outside of the home. Moreover, we noticed the area had been fixed and covered up before. As I'm not a ...
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1answer
123 views

Covering Exposed ICF and sill plate?

new guy here. I am hoping you guys can help. We had a 2x6 built Wisconsin Homes modular placed on top of an ICF basement. Then, we had vertical vinyl board and batten siding installed, it was run down ...
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2answers
75 views

How much should I worry about this large crack in the foundation slab?

I recently bought a 3-story townhouse in northern Virginia. I pulled up the carpet on the bottom level (foundation is a slab on grade) and discovered a large crack running along the whole room and ...
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0answers
40 views

Uneven floors from settling rim joist

We're trying to fix the uneven floors in our 850 sqft, 80 year-old house in San Jose. Our contractor opened up the floors and the problem appears to be that the floor joists rest on a skid, while the ...
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1answer
105 views

Shed foundation out of square

I had a builder put up a raised 10x13 post and beam foundation in anticipation of a shed placement later. I measure it and find the diagonals are 4" off. What is the easiest way to adjust the rhombus ...
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1answer
59 views

Clay and Gravel Liquefaction for Paver Installation

I have recently started digging and laying the base for a patio with pavers. Its roughly 300 sqft and the soil is made of clay. I dug around 7" deep to have 4" gravel layer, 1" sand an 2" for the ...
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3answers
1k views

Can this water damage be explained by lack of gutters and grading issues?

We are currently midway through a major renovation to an old house. Part of the renovation was digging out a new basement and adding a new foundation around it. The basement has a ceiling height of ...
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1answer
112 views

Is channel in basement standard design?

Determined this is a 4 inch slab on top of original slab. Possibly with internal drainage channels from center of basement to edge, where it runs to pictured channel and sump pump. House has channel ...
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2answers
294 views

How to fix leaks in concrete and steel bulkhead

I have a bit of an urgent situation forming. I recently purchased a house that's 55 years old, with "no history of basement leaks." Long story short - my basement flooded yesterday during a small rain ...
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0answers
49 views

Are foundation cracks something to be concerned with?

I bought a house in 2017 that was built in 1998. The previous owner had notified me of two foundation cracks that he had repaired from the interior (epoxy injection). In February 2019 (second winter ...
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1answer
136 views

Foundation concerns with 40 year old home

I just purchased a home built in 1978 (I literally moved in last weekend.) This is my first home purchase, and I tried to do as much research as I could -- I had it inspected, and the inspector found ...
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1answer
175 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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3answers
63 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
42 views

We noticed a small puddle in the basement due to melting ice but it has not happened since - should I still replace patch on foundation wall?

We noticed a small puddle during a warmer period last week and traced it back to the foundation wall. I removed the drywall and insulation (it was only on top half of wall) and found that the previous ...
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0answers
12 views

Digging along side of garage footer

I want to remove a deck from the back of my garage and drop the area to be level with my pool patio. I’m thinking maybe 20-30” would need to be removed and I would be below the exaisting footer... I ...
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0answers
98 views

What inspector can help us evaluate popping noises in ceiling and walls?

We live in a small (1,500 square foot), one-floor, old (most of it 65 years old, some of it 30) house just south of San Francisco. We've lived here about 25 years and the last few years we have heard ...
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1answer
92 views

Post and Beam sizing for 10x10 shed workshop?

This is probably a common question, but trying to sort it out has my head spinning.... I'm trying to work out the size of a post and beam foundation for a 10x10 shed I plan to use as a workshop. ...