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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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3answers
51 views

Gap between foundation and wrap

I recently purchased a new house in Ontario, Canada. The grading will be completed in the following months. During a walk around the house, I noticed gaps between the foundation walls and the ...
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1answer
187 views

Do I need to add supports before replacing a cripple wall stud?

I have a section of mud sill near a crawl space entry door that has suffered severe dry rot due to rain intrusion. I need to cut out and replace about 3 feet of mud sill. This will require removal ...
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1answer
57 views

How to apply rigid foam insulation to foundation with epoxy plugs?

The previous owners of our home did a foundation repair to fix two large cracks about 10 years ago (it is covered by a lifetime warranty). The repair was very successful, but the epoxy plugs remain. ...
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38 views

How to brace misaligned support post?

Recently purchased a new home, and after removing the builder insulation blanket we discovered that one of the support posts has become (or always has been) misaligned and isn't resting on the beam. ...
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0answers
32 views

Preparing for shifting

One concern for any new construction is shifting, which happens most immediately after a building is erected, but all buildings will shift and lean gradually over the years. Even if a building's ...
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1answer
490 views

How to connecting addition frame to existing rim joist

We have an addition that we are adding to our house. We built a new foundation (J-shaped, see image below). Building the floor frame over the new foundation will be done with the standard sill plate ...
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1answer
812 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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1answer
35 views

Drilling Piers under exterior wall

We have a small cabin that we would like to extend 10 feet in the back. It has a crawl space. The architect and engineers have designed a new floor plan for the house that involves putting new ...
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1answer
1k views

Water leaking from concrete slab porch into rooms below. How do I stop the leaks?

My front porch is concrete and is above a portion of my garage, laundry room, and a basement bathroom. The house is in Zone 6b: -5 to 0 F. The rooms are not finished and I am not sure of the ...
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1answer
51 views

Remove Foundation Concrete Block

We are having HVAC ductwork installed in our crawlspace and one of the companies mentioned they do not remove foundation concrete blocks due to liability. Unfortunately, for us to have registers in ...
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0answers
166 views

Cover or Do Away with the Brick Ledge on Foundation Wall

We have a brick veneer on the front face of the foundation wall that goes down about 4 bricks in depth on that foundation by way of a brick ledge, making that foundation top side smaller than the rest ...
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1answer
356 views

Ceiling mounted punching bag without compromising structure or floor above

This question is regarding the safest way of installing a heavy punching bag of 100 lbs from the basement ceiling. Above the basement ceiling is a wood floor. The goal is to sleep soundly at night ...
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1answer
550 views

basement floor crack widening in newly built home - is this a problem?

Our home was new construction and the basement floor was poured around 1.5 years ago. The builder installed control joints in several locations in the basement slab. Several of these joints have ...
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0answers
177 views

Asphalt grading/drainage around house perimeter

The house is surrounded on 3 sides by asphalt right up against the foundation which appears to have been improperly graded, with the grading sloped slightly toward the house on about half the ...
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1answer
160 views

How to prepare for 1 3/4“ to 4” concrete overlay: rebar vs wire mesh vs fiberglass

My house currently has a 3rd car garage that I would like to convert and extend my family room. The biggest question is how to raise and level the garage floor with cement (preferably). I spoke with ...
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0answers
44 views

Foundation depth for mortared stone wall

I am building a mortared stone retaining wall and I am wondering on what depth to dig down for the foundation with which the stones will sit on. From what I gather from resarching, they say to dig ...
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2answers
136 views

Proper way to level a shed foundation on concrete patio

I am building a shed from a kit. The floor kit has a pretty standard 8x12 layout, but the instructions state that it should be leveled by setting it on 3 parallel treated 4x4s (runners), and that the ...
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1answer
68 views

Can someone explain my foundation plan

I requested a copy of my building plans from the city and I received them but I want to make sure I am reading them right. It looks like the foundation says the following: It looks to me like it says ...
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1answer
61 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
37 views

Need info on block for a vinyl storage shed

I am putting up a 10 w by 8 deep vinyl shed. My intent is to build the base out of concrete block. I am want to put a solid base of block. I am then going to put 1/2 in thick pressure treated sheets ...
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1answer
50 views

Should I repair, replace, or remove damaged foundation insulation?

I live in upstate NY and my house was built in 1996 and it has the white thick foam insalation around the foundation. It looks awful and now I have bugs chewing it and building homes. Can I just ...
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1answer
107 views

How do I seal the bottom plate along my foundation?

I have a "steps" in the foundation where there are slim but visible openings to the outside. My questions are; How do I seal this? From the outside/inside? What product do I use? Edit: Picture of ...
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0answers
299 views

Wires run through foundation vent screen

I need to replace the foundation vents in the house I recently bought. Unfortunately, AT&T, Time Warner, and others have run wires through one of the screens. I can't easily detach the wires to ...
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0answers
112 views

Quikwall parge showing blotches

We recently parged our basement walls using quikwall parge mix. The concrete is now 50 days old and we are planning on painting it with drylok. However, there is one splotch that still looks wet. This ...
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1answer
110 views

Does Polyurethane foam also stabilize soil?

I purchased a house last year and discovered over several months that I live in an area with highly expansive dark clay soil. This has caused cracks in my floating slab foundation, drywall, and of ...
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0answers
90 views

What is the correct type of anchor bolt for attaching a sill plate to a slab once the concrete is dry?

If you need to install additional anchor bolts after the concrete has cured (and thus can no longer install traditional J bolts), what is the correct type of fastener that can be installed into dry ...
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1answer
135 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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1answer
325 views

Shed on grade foundation height limitations

I am building a 10x12 shed on a slight slope. I was hoping to do an on grade foundation, but when using a string level, it looks like my slope is about a 2ft difference on its lowest corner. What ...
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1answer
140 views

Do I have a natural spring or a leak

I live in South Mississippi and have lived in my home with a slab foundation for about 20 years. I have never had a problem with the foundation and the ground is mostly red clay. We do have a septic ...
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2answers
134 views

Should I be worried about these v-shaped cracks in my newly poured foundation?

The foundation company just took the forms off, and when I went to take a look, I noticed three sides had this v-shaded crack on them that's visible both inside and outside the foundation wall. This ...
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0answers
38 views

New build next to existing slab

I want to build a new structure, with walk out basement joining up to an existing structure that has a slab foundation. Is this possible? what about the slab/footer for the existing structure, how do ...
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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 ...
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1answer
552 views

Remedies for brick veneer movement

This property is on a walk-out basement foundation in a heavy clay soil. In several places, the brick veneer has moved, cracking and causing misalignment as pictured. The one pictured is by far the ...
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1answer
27 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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0answers
116 views

How to fill cracks in concrete slab inside house

My house had some foundation issues and the slab inside the house has separated from the foundation wall mostly all around inside the house. Some cracks are about 1/2" and I'm thinking in filling ...
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1answer
34 views

New home foundation

I have a question. I am thinking of buying a newly constructed home. I was at the site the day before they started putting up the cinderblocks for the slab foundation. I was sinking past my ankles in ...
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1answer
1k views

Can cement backer board be used to support bluestone or slate outdoor raised patio?

We are designing a multi-level stone patio. To exit the kitchen directly onto the stone patio, the highest part of that patio would be 12 inches above the foundation. The next level would be flush ...
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1answer
62 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
193 views

How best to repair 24 sqft dirt hole in concrete slab

I have a hole in the concrete slab of my foundation approximately 4' x 6'. The slab was originally poured directly on the dirt. The slab is approximately 4" thick with rough edges. The hole is ...
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3answers
592 views

How to repair rotted sill plate on foundation concrete pony wall and adding height to concrete wall

I have an end unit townhouse built in 1986. It's three stories including the garage level, and it's built on a slope. The garage level opens to the street in the back, but that level is below grade on ...
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1answer
91 views

Large rock obstructing addition

I potentially have the problem of building an addition to a house where the bedrock comes up alongside the house. So, basically there is a large rock formation obstructing the construction of the ...
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1answer
84 views

Anchor In Foundation Doesn't Seem Right

I am getting a house built, and it looks like one of my anchor bolt wasn't placed correctly (not inside the wood). I compared with a they dont all appear to be like mine. Should I be worried about ...
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2answers
1k views

What is the code-mandated overlap of welded wire mesh in concrete slabs?

I'm trying to find a code reference for welded wire reinforcement in residential concrete slab foundations. I though it was 6" overlap of the sheets, but some sources are saying it's more. Does anyone ...
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2answers
172 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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1answer
4k views

Basement cinder block looks damp after rain storms

We built a new house last year and it was completed in June. Ever since we’ve lived here I notice the basement block walls seem to look damp in areas, especially after a rain storm. I’m certain there ...
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1answer
914 views

Water coming in through seam in bulkhead wall. How to fix?

There is a caulked seam where the bulkhead wall comes into contact with the foundation wall. It is raining outside and water is now coming in through the small cracks in this seam. It is causing the ...
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1answer
183 views

What equipment can I used to dig a foundation very close to another structure?

I only have 7' between houses to get a backhoe/trench digger in to dig a house foundation. Any suggestions on a machine to use?
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1answer
86 views

foundation repair: bedrock or not?

I have a settling foundation. I see a couple of ways to repair the foundation; one with hand dug concrete piers about 3 feet deep, one with steel piers driven to bedrock. Will concrete be ...
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0answers
99 views

Why is a corner of our garage floor slab all uneven?

Our house was built ~1985, and it has quite a few oddities. One of them is an irregularly shaped corner of our garage. Our garage is ~32' (9.75m) x 32' (9.75m), and a significant section (not square ~...
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0answers
151 views

Ok to add basement egress window underneath giant grade-level window?

Our one-story house has a very large window on the first floor -- appx. 72" high by 130" wide. I'd like to add a basement egress window to the room below. I'm worried that having more glass than wall ...