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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Type of tool used to fasten wood to brick

The brick foundation under my porch has latticework that is mounted on wood. A number of these wood pieces have rotted and I would like to replace them. They have been mounted to the brick with a ...
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2answers
290 views

Water flow over basement window sill

The sidewalk going around my house was poured very close to the edge of the basement window. The slab has sunk and water no pools against the house in that area. If we get a torrential rainfall, the ...
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626 views

Can I drill a hole through brick wall/lintel for A/C lines?

I'm looking to move the a/c refrigerant and return lines that are currently through the middle of a window opening to a more natural location so that a window can be installed in the opening. I ...
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1answer
253 views

Basement floor is damp and the top of my foundation is cracking after air sealing the attic?

Two months after having my attic professionally air sealed and insulated, the basement floor became damp and the top of the foundation started to show signs of horizontal cracking. Humidity levels in ...
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602 views

How to repair exposed exterior foundation insulation?

Thanks for checking this question. New to owning a home, and new to stack exchange. I do not know where to begin and I do not know what "terms" to use when googling. Any tips/ideas how to repair or ...
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1answer
3k views

Foundation for structure on bedrock

We have the mixed blessing of a giant swath of exposed Canadian Shield on our property in Ontario. Literally a big flat area of exposed rock, no soil whatsoever. Scale is hard to see, but a ...
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1answer
564 views

What is this 2" Diameter Hole in Basement Foundation Floor?

I am wondering what this hole in my basement foundation floor is for, and if I can cover it up or just put a plug in it. I am aware of one other similar hole (carpet is covering it though) on the ...
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1answer
74 views

Leaking basement caused by poorly graded sidewalk

Along our sidewalk on the side of the house we have a 5ft section of cement that slopes directly to the house. The water pools from the steps back towards the window. About 8 inches to the right of ...
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1answer
777 views

Should I cover this gap under my front door?

Under my front door, there is a wood board, but there is a 1/2 to 1 inch gap above the board and below the threshold. Is it a problem if water gets in there? I'm not sure if I should seal it. There's ...
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2answers
101 views

What are my options for saving this building?

I have a small building on my property that is about 15ft by 10ft. The building sits on a slope that runs downhill sort of at an angle from one front corner to the opposite back corner. It sits on ...
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2answers
2k views

How to insulate already-existing stud walls along block foundation

My new (to me) house has a 60-year-old block foundation. The previous owners did little to no insulating in the basement. However, they started to finish a bedroom down there, and got as far as ...
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1answer
101 views

Is it acceptable to install new cabinets parallel with the floor rather than plumb and level?

My house sits on a slab that is currently not level. Given that I have plans to correct the foundation issues in about 1.5-2 years, does it make sense to install the cabinets so that they are squared ...
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1answer
680 views

Field-stone Foundation on Top of Bedrock, Keep the Water Out?

I have a field-stone foundation built on top of bedrock. Due to the slop of the bedrock, water collects outside and runs down under the wall. As you can see from the pictures, moisture gets in. I ...
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1answer
297 views

Should I do something about these cracks in the basement wall?

I noticed some cracks in my basement wall that are bulging out. Also, there are some patches and a vertical line near the corner where the material (I think it's plaster over the cement) is chipping ...
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1answer
324 views

Collapsing wooden basement walkout

The issue: We bought a house, built around 1985, but it has this extremely poorly built walkout from the basement. It looks like the builder's "solution" for drainage was a bent piece of tin ...
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2answers
174 views

How to go about building an aquarium into a wall?

I plan to install a 180 gallon aquarium in my basement. The dimensions are 72" x 24" x 25" About 2000 pounds after sand and decorations when filled How should I go about doing this without having ...
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2answers
7k views

Replacing a crawl space with concrete slab

I have a 1970 rental house that is prone to flooding the crawlspace approximately 1 week a year. To clarify, the whole section of land, yard, and streets are under a foot or more of water, due to ...
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1answer
2k views

cracks on both side of the bay window

my house is a typical semi detached 1930 house, there are two cracks on the both side of the bay window , they are roughly about 3-4cm wide, it was easy to filled it up with the mortar. the crack is ...
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1answer
213 views

Where's this water coming from?

The carpet outside the bathroom has two wet spots, as though water is seeping up from slab foundation. Cannot find any pipes leaking in bathroom, the spots are randomly positioned, about a foot into ...
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1answer
2k views

How to frame a wall around existing exterior door

Framing a basement. I have a an exterior door that is set in the poured foundation. I'm building my wall that runs parallel to foundation that has the existing door and is ~2-4" from the foundation. ...
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1answer
595 views

Can I pour concrete next to my foundation?

I'm planning to install a 4x4 fence into the ground by digging up a hole, adding some gravel, then pouring concrete in. Is it a problem if the concrete touches the foundation of the house? I've added ...
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2answers
16k views

How can I properly support a raised concrete patio?

I am planning on building a raised concrete patio. I would like to build the perimeter of block and fill it with stone and then cap it in concrete to be finished with blue stone later. The patio will ...
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2answers
127 views

What kinds of contractors deal with basement/foundation flooding/leaks?

Winter is coming to an end. All the snow/ice in my back lawn is thawing. A massive vertical crack has opened in my basement wall (the foundation) and water is hemmoraging in. I tried parging it with ...
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1answer
2k views

What is a better base for skid foundation, gravel or crushed stone?

Building a skid foundation for a shed. What is the best material to put under the skids for stability/leveling. Uniform gravel (like this) or crushed stone like a 5/8 minus? Thanks,
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1answer
60 views

workaround for ground anchor settling in clay

We have a sun room built by a contractor for which building plans had to be approved by the city and a professional engineer. The room is about 12' x 12' and attached to the house. It sits on a ...
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1answer
781 views

Is a floating perimeter slab a good approach for a dirt-floor shed?

I'm building a 16' x 7' shed and chicken coop in Seattle. I want it to have a dirt floor and be safe from predators crawling underneath. I've been struggling with how best to do the "foundation". I ...
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3answers
4k views

Joists have different height

I'm first time homeowner and bought a house (built in 1999) in fall of 2015 (Philadelphia suburb). During inspection of the house I noticed squeaky floors and inspector said its due to nails rubbing ...
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2answers
13k views

Bought a 20 year old house last spring and it appears to be settling - when to call in experts

This house is about 20 years old and we purchased it last April without seeing any of this stuff. The inspection came back OK but we found a decent sized foundation crack on the walkthrough under some ...
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2answers
894 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
208 views

Shelving on Rubble Stone Foundation

I am looking to build shelving, nothing fancy, for a basement wall. I want to go the easiest possible route and was thinking of nailing a couple 2x4's to the wall and attaching some shelving brackets ...
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1answer
395 views

Basement foundation wall repair

After we poured some concrete outside of our east wall, we noticed some cracks along the foundation wall. I guess due to the weight of the new foundation, the foundation wall crumbled. One of the ...
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1answer
656 views

Foundation Built on Ledge Rock

A corner of my houses foundation sits on ledge rock. There's some corrosion that lets moisture in where the foundation meets the rock. The foundation is field stone and was built 100 years ago. Why ...
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0answers
109 views

Raised and Slab Foundation in Home

I am purchasing a home in Southern California. During the inspection, we discovered that the home is built on both a raised and slab foundation. The house was originally built in the late 1940s ...
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2answers
786 views

Handling basement water infiltration behind bulkhead

My house has two different kinds of foundation, The older part is brick-over-fieldstone. The newer part, dug a bit deeper, is poured concrete. When that extension was added, they added a cinder-block ...
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2answers
507 views

What's the best way to get grade below foundation wall?

We just discovered that the cause of some water staining on the internal sill-plates on top of the basement foundation wall are due to the outside grade sitting ~2 inches above the foundation wall!! ...
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1answer
237 views

Concrete foundation crack

Two storey home, 14yrs old. Concrete foundation. Ground is mostly clay. Steel I beam crossing the middle of the basement ceiling to distribute load. The I beam is inset into the top of the ...
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0answers
43 views

Is this foundation properly supported against rotation in an earthquake?

This foundation was built 1938, and seems unusually tippy even for the time. This is in an earthquake zone, the garage has a second floor above, and the given wall is shearwalled and bolted, with ...
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1answer
120 views

Method to fasten pink board to interior foundation wall

So I'll be finishing my basement soon and will be using 1.5" pinkboard attached to my interior foundation walls. What is the best method to fasten this to the wall (construction adhesive, caulk)? ...
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2answers
499 views

Waterproofing weeping tile inside vs outside

I just bought a new house. The basement is mostly concrete slabs, except for under the porch steps: there is a single row of cinder blocks. It's leaking water from a corner (at eye level) in that area....
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1answer
733 views

How to protect foundation, sill, and siding from moisture (snow)

I have an old house with a stone foundation and ~6x6 sill plate. The deck used to butt right up to the siding. I cut the deck away about 18" in order to get access to the area for some weatherization.....
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0answers
525 views

Is there a purpose for the concrete border at base of this house?

My wife and I are in negotiations to purchase a house that is located in the Southeastern US. The home inspector was a bit baffled by the concrete border (first image) that runs along the back and ...
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2answers
4k views

Minimum setback for retaining wall

Is there a minimum distance needed between a retaining wall and a home? I've seen many homes with a sloped back yard, such that there is a 6' high above ground retaining wall between the backyard and ...
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1answer
207 views

How can house corner be supported when there's a deep cellar next to it?

There's this layout (view from above). There's a log house supported by very weak foundation raised from ground level and there's a cellar right next to the house. The cellar is about 1,8 meters deep ...
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1answer
51 views

Can an addition be attached to a post and pillar foundation

I am looking to buy a home that has a post and pillar foundation. It is a one bedroom, so one of the requirements for the future is that it be able to be expanded to at least 2 bedroom. It is in the ...
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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 ...
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1answer
632 views

How do I know if/when tuckpointing is necessary, especially if I finish the basement?

1900-ish brick-over-fieldstone foundation seems perfectly happy right now, but [digression about fieldstone aside]... What's best practice? What do I look for to tell when maint is required? (...
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11answers
12k views

Is this cracking foundation under a jack post a problem that requires repair?

I am buying an already-built new home. I find this in the basement. The builder says it's okay, but I am really concerned. Is this really a big issue? What steps would be required to repair it? This ...
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0answers
285 views

Monolithic frost proof shallow foundation, advice on the smaller details?

I'm building a 16x24 shed/garage. I have done most of the site work and I have a concrete guy starting tomorrow on the forms in preparation for a pour on Friday. He's done insulated slabs, he has 30 ...
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1answer
99 views

Fixing foundation crack with repair kits

I have a crack in the foundation visible on both sides, interior and exterior on an older home (built in 60's). In my case the foundation does not seem to be sagging. I have received some advice ...
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1answer
220 views

How to minimise the amount of concrete needed for a shed foundation?

I’m looking to build a 6m by 3m shed in the back garden. It will be jammed in between 3 neighbours’ gardens, so it will have to be less than 2.5m high. Roof will most likely be a low grade pitch with ...