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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25 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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24 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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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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65 views

Why would only part of a foundation be stabilized?

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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38 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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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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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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65 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
67 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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24 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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83 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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135 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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30 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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31 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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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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24 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
70 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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31 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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52 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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67 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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68 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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38 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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88 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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53 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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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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107 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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164 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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47 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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106 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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94 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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1answer
32 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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39 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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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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62 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. ...
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166 views

Will the concrete slab in a partially heated shed conduct a lot of heat to the unconditioned area?

I have a barn-garage type outbuilding (I believe it was a small barn originally; it has that kind of tall, roomy upper loft). It's about 40 by 20 feet. It's got a concrete foundation and the lower ...
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196 views

Does the UFER Ground require to be visible?

Is there something on the NEC code that states the UFER ground needs to be permanently visible? I had my rough in electrical inspection the other day. He stated that per NEC 250.64(E) (1), I have to ...
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77 views

Cracks up wall in corner of room

We recently did a comprehensive remodel of our very old condominium. Its a four unit row house from the 1890's. I noticed that there is a long crack going up the corner of a back room. Is this a ...
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89 views

What's an easy way to build a level 6'x4' platform over uneven indoor floors?

I recently moved into a guest room that has uneven floors. There is a one degree slant over the entire room and some of the tiles are higher and lower than others. I'd like to set up a 6x4 platform ...
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55 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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1k views

Large concrete patio poured against the foundation - should it be tied to the foundation or not?

Over a year ago I had a large concrete patio (24' x 26') poured. This concrete patio butts up against the foundation of our home. I'm unsure if it was tied into the foundation of the house or not, ...
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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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101 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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29 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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1answer
47 views

My basement wall is adjacent to a filled foundation. Is there any point in insulating?

I was planning on putting foam board insulation on my basement walls before finishing. Then I realized that on the other side of the wall isn’t earth, but a poured foundation for my covered porch. ...
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73 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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34 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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389 views

Sleeve for below grade pipe penetration

I need to run a hot and cold water supply line to an outside structure 13' away through my basement block wall. This is in the Northeast US, where the frost line is 42" and the penetration will ...
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112 views

Medium-term repair for spalled foundation with exposed mudsill

I have an old house (built in 1946) near the ocean. The foundation in the back has spalled off, exposing the mudsill in some places. The worst spalling is 4" deep - you can see the mudsill and a few ...