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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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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868 views

Help! enclosed porch/sunroom foundation

We just purchased a home and now that the snow level is not 4 feet high ( we live in central NY ) we see that the concrete patio/foundation has horizontal cracks, and crumbling along the side, corner ...
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31 views

Do I need to vent a crawlspace?

We just completed a 20x20 great room addition on the side of our house with a 4 foot crawl space and poured concrete floor. There is a 4’ by 4’ cut through to access this crawl space from the existing ...
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30 views

drywall gap again after foundation repair

My foundation (crawl space) was repaired recently, huge job, home not level. There had been a gap in a corner where the sheetrock had dropped down but that side (plus adjoining 90 degree) was reframed ...
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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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303 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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39 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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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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435 views

How to repair broken suspended cement slab

The very corner of the cement slab, which forms the floor of my basement, broke off. There was nothing supporting it underneath. the portion that broke off forms a triangle 11" x 10" x 14" x 3-6" ...
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94 views

Retrofit Foundation Posts/Beams

Bought a new (old) place and our inspector pointed out beams/posts that need framing/structural straps in the crawlspace. Ballpark estimate I got from a foundation contractor (site unseen) was a $3,...
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140 views

Sealing fully cast-in floor joists

My house built in 1928 has concrete filled spaces between the floor joists and rim joist. There are gaps in some of them, some 1" wide with most being very small. I suspect these gaps could be the ...
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45 views

Intex pool decking foundation?

I've been building a decking area which is 17ft x 17ft, the decking is to be the base for an Intex 16ft diameter pool, calculations show that the weight of this pool when filled with be approx. 18 ...
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64 views

Proper framing on foundation?

I think the foundation crew and the framing crew weren't on the same page. In the plans, this part of the home does not overhang the stick framing underneath. I'm not sure but I think the foundation ...
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78 views

Increasing grade next to house

Our house is built into a small hill, leaving a section of our basement exposed with both a small garage and a people door leading to the driveway. There are several (3-4) courses of block above the ...
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3k views

Convert Pier and Beam to Slab Foundation

Due to undersized foundation (5" wide x 12" deep concrete wall with no extra footing), low exterior grade to siding clearance, and little to no crawlspace access, and a bad floor that needs replacing ...
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107 views

Walls dont appear to be bolted to foundation - any retrofix?

After quick inspection of the walls in my house I dont think they are bolted to the foundation. At least I couldnt find the bolts - I think there mightbe several concrete nails holding it in place but ...
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100 views

Product identification/recommendation to seal top of foundation wall

In preparation for winter, I've started to inspect the exterior of my house and noticed some of the sealant at the top of the basement wall needs replacing. Unfortunately I bought the house like this ...
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508 views

Pier Beam Foundation Sill Beam

Background: I live in upstate New York, just outside of Ithaca. My wife and I have recently purchased a home at a steal because of an existing relationship with the previous owner. So the fact that I ...
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625 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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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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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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524 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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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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593 views

How many sump pits should I have?

I have an older french drain system and after experiencing some foundation problems (horizontal crack), I've been told that my system should be updated to a more modern one which has weeping holes in ...
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84 views

The tube drain pipe is in bad shape

Okay, two months or so ago I had the drains in the house snaked because of slow draining at almost all of the fixture sites. After the plumber was done, everything was great, but two days ago I walked ...
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471 views

Will installing closed cell spray foam over ventilation for basement French drain significantly affect performance?

Question: Will installing closed cell spray foam over the ventilation for a basement French drain significantly affect the sump pump system's ability to remove water from the basement? Background: I ...
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746 views

Minor Crawlspace Excavation: Need permits/structural engineer?

Background: First house, built in the late 60s, bought in October 2014. Original house has crawlspace with combination cinder/concrete foundation. Master bedroom is an addition to the house with a ...
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398 views

What can I do about a basement window well that is filling with water?

My house was built in the 1950s and I have a basement window well that was filling up with water after a hard rain. I have covers however the water would come up. After much reading online that there ...
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123 views

How can I reduce vibration transfer to piled foundation?

Situation is: new home construction about 50-75 feet from a railroad and the home is to be built on piles (or stilts) elevated about 12-15 above grade. I'll leave the underground considerations to ...
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591 views

Converting garage into living room?

We want to convert the garage into the living room. Our house has a crawl space under it. But the garage is a slab with cinder blocks around it. Water comes in through the garage door when it rains ...
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268 views

Repairing/patching concrete foundation of house

What's the best (or maybe easiest and most affordable would be more accurate) route to patch the concrete of our house foundation? It's kind of crumbling in places and needs a facelift. Ideas/options?
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122 views

How soon can I paint after filling cracks in a foundation?

I have a foundation that I am trying to get back into shape. I just wire brushed/scraped, power washed and dug out/filled in cracks using Quikrete vinyl concrete patch. I want to paint it now. I ...
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0answers
28 views

repair of foundation of a crawl space

My house has a crawl space, with concrete foundation on the perimeter of the house. It has been settling quite a bit. I am trying to see whether I could leveling it myself. I have researched the ...
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29 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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48 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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36 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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44 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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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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96 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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34 views

Cutting out beam pockets

Guys that were pouring concrete did not form beam pockets so now i have straight walls with no beam pockets. How can I possibly cut the beam pockets out now? I believe the size is 8 1/2 by 12 1/2.
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22 views

Tree vs drainage foundation issue

I have been seeing expanding cracks around my home and slowly widening cracks in my foundation. I had three foundation companies look at it and all three said different things. Excavate front of house,...
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26 views

Supporting a leaning foundation

The walls in my foundation were built a tad crooked in the 60s and have gotten worse, likely due to non existent gutters before I bought it. I've been here 2 years and it hasn't gotten worse. The ...
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0answers
23 views

Solutions to porous foundation?

One person was inside the crawl space under the house after dark to observe, one person was outside shining a bright light towards the crawl space, at ground level. The person on the inside saw the ...
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55 views

Wall sill plate not in contact with slab, is it fixable?

I own a house with foundation issues. The actual movement of the foundation has largely been stopped, because piers were installed underneath the area of the foundation that was sinking. This seems ...
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0answers
35 views

Option to strengthen foundation with posts around perimeter?

We are in earthquake country (Oregon), looking at seismic upgrade on our foundation, which is 115 years old and in dubious condition. Are there options for strengthening a dodgy foundation by ...
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39 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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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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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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38 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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116 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 ...