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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
116 views

New construction home, loose foundation anchor nuts

I am going around caulking behind the insulation due to drafts. Part of basement sits above ground, as house is built on slope. Many of the nuts on these foundation anchors are loose. I have been ...
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3answers
77 views

Reinforcing concrete parapet?

One small section of our roof's parapet looks like this. We will be installing one 3/8" x 3" havy-duty concrete screw anchor in that area. The ideal solution is to remove and replace with new ...
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1answer
1k views

Sill plate wet in corners

My sill plate is getting wet. I have a 6 foot overhang so rain is not getting to it. Im trying to figure out how to deal with it. The sill is not pressure treated unfortunately. The foundation is ...
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4answers
169 views

Channel between foundation wall and floor in crawlspace

I have a split level house with a crawlspace. I've pulled the insulation out and discovered some minor mold issues on the wood framing and concrete walls. I removed the framing to replace any moldy ...
1
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1answer
160 views

How should plywood sheathing be detailed around bolts/bearing plates in seismic retrofit work?

The City of Los Angeles standard planset for seismic retrofits shows the anchor bolt's bearing plate (washer) resting on the sill plate (vs. resting on the 2x blocking of the shear wall). But there is ...
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2answers
996 views

Sealing gap between foundation and external wall

I'm trying to determine how to address a small gap between my foundation wall and the bottom of the house. I believe this gap is being used by vermin to access a crawlspace and travel up the walls. ...
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1answer
75 views

Prevent Rodent incursion along a retaining wall

I live in a first generation suburb. The retaining wall behind me is starting to crack, but it is not mine to permanently fix. After I concrete over any cracks in the retaining wall, I would like to ...
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0answers
66 views

Are these cracks in a basement support wall normal?

I'm looking at a 1930's-era house that has stone foundation walls. The basement seems to have been dug out and it looks a wall was built to abut the exterior wall. The wall has a plaster or stucco ...
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3answers
319 views

Weight a foundation can hold [closed]

Would a 6" slab with mesh, rebar and fiber hold a 2 story log home made from hemlock logs that are 16" wide? The mesh will be doubled up on the outer edges and rebar will run both ways. It's 32x40.
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0answers
433 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" ...
1
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2answers
135 views

Can I use both a concrete slab and crawl space foundation?

I plan on building a large shop building on my property and while I want the main shop area to be a thick concrete slab, it would be great if I can make the adjoining rooms have a crawl space-like ...
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0answers
93 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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0answers
57 views

What type of insulation and waterproofing (if any) should be done for a monolithic slab on grade?

When building a new residential home with a monolithic slab on grade (footer and slab are poured at the same time), should any water proofing, insulating or drainage be added besides the vapor barrier?...
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1answer
644 views

Is there any way to do an Ufer (concrete-encased) ground with a monolithic slab that has a vapor barrier?

If I understand correctly, when using a monolithic slab (where the footers and slab are poured as one piece), the vapor barrier is installed under the slab and the footers. The NEC does not consider ...
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0answers
106 views

Is deck flooring an OK alternative to a concrete slab for a sport court?

I'm thinking of building a sports court for mostly inline hockey. Similar to this one. I have a land with grass and was wondering if there is another way to create a base, foundation under the floor ...
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0answers
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 ...
1
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2answers
777 views

What kind of paint should I use to paint a field stone foundation wall?

I have a 1900 house with a field stone foundation. The foundation is in good shape. There is minimal moisture. I want to paint the walls to make it look nicer. What kind of paint should I be using? I ...
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2answers
120 views

How to install drain in a wall above concrete foundation

I am usual successful finding answers with enough searching but it seems I've hit a dead end here. Just started a kitchen remodel in our 104 year old home. Looking to move our kitchen sink to an ...
2
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2answers
449 views

Precast cement stairs bolted to foundation

We are attempting to sell our 1969 split level and one of the issues we have is our precast cement stairs. They are attached to the cinder block wall foundation with bolts. This caused about a 1/2 ...
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2answers
536 views

Plywood over rigid foam over concrete: will I have moisture issues?

Short version: If I install 3" of rigid foam over a poured concrete foundation wall that has been sealed with Xypex, will I have any moisture issues if I install plywood directly over the rigid? ...
2
votes
1answer
729 views

How to suspend rebar cages for piers

Hello. We are converting a former metal portable building used for a school classroom in to a living space. We have got all the site plans, remodel plans, electrical and foundation ECT. We are trying ...
1
vote
1answer
160 views

Deer skinning pole design

I would like to build a deer skinning pole, about 8 ft tall. Here is my simple design: My questions are: How deep should I set the pressure treated 4x4 in the concrete base to be able to safely ...
1
vote
1answer
511 views

Shift Concrete Column by few inches [closed]

While building the foundation of a house, the concrete columns were built 15cm (6 inches) from the planned position, which is reducing the space for a door. So we need to shift the column by 6 inches....
1
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1answer
44 views

Alternative ways to insulate a shallow slab foundation?

I would like to turn a shed on a shallow slab foundation into a living space for a family member. Insulating the roof and walls seems straight forward enough, but the floor and foundation are tricky. ...
0
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1answer
134 views

Greenhouse wood foundation and frost heave

I'm a novice constructing a 8x12' saltbox style green house made from recycled single pane windows in climate 5 & 4 Marine. It does get freezing here in winter with maybe an inch to three of snow ...
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2answers
75 views

Identifying metal post next to a house

Next to my house is part of a metal post. It looks like it has been cut off at the top. I would like to remove it, but am not sure what it is. I know it's not a grounding rod, but there is some ...
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2answers
1k views

How are grade-level garage slabs typically connected to a basement wall?

When you have a basement wall that needs to join up to a garage slab at the top of the basement wall, how are the footings for the garage slab placed, and how does the garage slab attach to the ...
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1answer
135 views

crack in foundation wall, QUIKRETE Hydraulic Water-Stop Cement

I'm in the middle of repairing a crack in my 30+year foundation wall using QUIKRETE Hydraulic Water-Stop Cement. It's been repaired before, I've been in the house for over 10 years, previous owner ...
1
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1answer
1k views

How can I extend existing vinyl siding downward to cover top of concrete foundation?

Our new-to-us 1930's home has vinyl siding, but the bottom row of the siding doesn't extend down far enough (see photo). There isn't a starter strip installed that I can find anywhere, either. It ...
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1answer
94 views

How To Sand, Patch, Prime & Paint Exterior Foundation?

Our 76 year-old block foundation needs a facelift before new vinyl siding is installed above it. This seems like a simple, inexpensive DIY project but just to make sure the paint doesn't peel by ...
1
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1answer
5k views

2x6 or 2x8 Sill Plate on 8" foundation wall?

I have a 8" thick concrete foundation, and am wondering if I should use 2x6 or 2x8 PT for the sill plate. I believe 2x6 would be substantial, but if I use 2x8 I would have something to fasten to on ...
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0answers
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 ...
3
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0answers
95 views

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 ...
0
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1answer
573 views

Moving access to crawl space

I have a small crawl space (8' wide) under the porch of my 1920s home. The door (2' wide) is currently near/next to the house. We would like to move the door to be away from the house so we can put an ...
1
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2answers
116 views

Is this crack in block foundation/under pinning something to worry about

A couple of the concrete block in my basement wall are cracked (diagonal crack on the bottom right of the photo in the "unfinished" blocks). The house is a 1920s duplex in Washington DC. It ...
1
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0answers
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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0answers
244 views

Water fills trench outside of home appears to be coming from under foundation

Live in San Diego, CA in an early '70s townhome unit that shares both walls with a front courtyard. Previous owner rerouted the mainline from detached garage above ground (possible slab leak all of ...
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1answer
883 views

How often should I spray a fresh concrete slab for it to cure properly?

I plan on water-curing a concrete slab (4' x 8' x 4"). I figured I would just spray it with some water to keep it wet. How often do I need to spray water on the slab? When should I start spraying it?
2
votes
1answer
184 views

What is this rocky area in my crawl space wall?

We see a water line coming down from a strange, rocky section in our crawl space wall. I will dig down to the foundation outside the house and repair/fill any cracks externally, but am wondering: why ...
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2answers
458 views

What type of cement is used to repair foundations?

We're in the process of remodeling our kitchen and we just pulled up the tiles. We found a few spots where there are large gouges or holes if you will, in the foundation. I'm guessing they were there ...
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0answers
72 views

how to re-level a floor

i've had a foundation inspector look at my floor: as you can see there is quite a deviance on the right hand side. he says that any future movement is likely to be limited; although, cosmetic ...
0
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2answers
680 views

Using dirt to grade away from foundation. Good idea or not?

A reputable/recommended house inspector suggested that we can just pile up dirt to create a grade that will prevent water from collecting around our foundation. We have a crawl space so the dirt will ...
1
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0answers
77 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 ...
2
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2answers
538 views

Does this foundation wall crack justify immediate corrective action?

I just inspected the interior foundation walls in my 1920s house and found this horizontal crack behind a closet. At the widest part, the crack is about 1.5 cm. There is what seems to be an ...
1
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1answer
559 views

Why is there a hole in my basement wall?

I just bought a house & I am curious as to what or why there is a hole in my basement wall. Inside is just the foundation wall and dirt floor. Why would a builder create such a thing? Can the area ...
2
votes
2answers
174 views

How can I repair and waterproof a large crack in my foundation wall?

I recently just bought a house which was nice at first! Now after 5 month, it is now spring. We had a good rainfall which flooded my basement from the floor up because of a high water table (sump ...
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2answers
355 views

What can I do about cracks in a stone foundation?

Considering purchasing a brick farmhouse in mid-Michigan built in 1885. There are large visible cracks in the foundation. Anyone have thoughts on the cause and possible repairs?
2
votes
1answer
519 views

How can I prevent interior French Drain from further eroding soil under garage slab?

I have a home with a block wall foundation and adjacent garage (built on a slab) on the left side facing the house. The house sits on a grade with right side to left side drop of 3/4" to 1" per foot. ...
2
votes
1answer
94 views

What sort of professional can I call for attic inspection and checking foundation?

I am a single lady homeowner of a fix-up foreclosure. I bought the home for cash but did have a home inspection done. It has been almost 10 years, and although I did fix the things that were initially ...
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2answers
81 views

Is my home likely to be damaged by nearby construction activities? [duplicate]

They start at 7 and go all day. What can I do...is my house at riskThe .land behind my house is being built on.There is a lot of vibration all day.It feels like an earthquake..as they take down trees ...