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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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How can I drain standing water from my crawl space?

CONCERN I own a 21-year-old manufactured home that I bought 4 years ago. It sits on a “permanent” foundation. There are poured concrete walls around the exterior and 40 piers supporting the rest of ...
Christian Tallet's user avatar
1 vote
1 answer
38 views

Is it a problem that a sill plate is not flush with foundation outer wall?

I'm planning to install a 1.5" rigid insulation over the sheathing on my new home. I will also add 1" furring strips to support the siding. That adds up to 2.5" total. My goal is to ...
Pavel's user avatar
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0 answers
40 views

Need opinion on water infiltration in basement

Minor trace of water infiltration prompted me to open the wall in basement toilet. This is the state of the foundation behind that wall. Anyone could provide any insights on the state of that ...
thoma's user avatar
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1 vote
1 answer
75 views

Don't know who to contact about small but complicated animal intrusion/crumbling

On the outside corner of my house next to the garage door, there is a side door. Around the base of the side door and right at the outside corner, there is "missing" concrete foundation. ...
Freeboot's user avatar
0 votes
1 answer
71 views

Previous owners put insulation over the foundation. Is it alright to remove this?

We live in southwest Ontario, winters don't get too cold here and there's already insulation on the inside. Would we be best to put siding over this or should we just remove it? Rodents have been ...
Andrew Bullis's user avatar
0 votes
0 answers
14 views

Should I fill in the foundation when removing an exterior doorway?

My old, detached garage has a poorly-built addition. It has three pedestrian doors (in addition to the garage door. One door is sealed shut. Another is never used, and I decided to remove it, because ...
Rick's user avatar
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0 votes
1 answer
38 views

How to fix gap between top of foundation wall and bottom of exterior wall

I recently bought my first house. We removed some drywall in the basement for a project and saw a couple gaps between the top of our foundation wall and the exterior wall of the house. The gap in the ...
Jimmy's user avatar
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0 votes
2 answers
31 views

Rotted Rim Joist/Sill Plate Behind Concrete Patio

hoping for some guidance on a rotted rim joist/sill plate found in the crawlspace. The rim joist in question runs along the front of the house and is parallel to the other joists. I believe the front ...
gocteam8's user avatar
5 votes
1 answer
432 views

Is exposed rebar in foundation a problem?

Rebar sticks out of the foundation of my house between my garage and driveway (in the gap between the two concrete pours). It is exposed, and in many places the foundation around it is cracking. Is ...
Exposed_rebar_Q's user avatar
0 votes
2 answers
39 views

10 by 12 shed on concrete tube forms

I am planning to build a 10 by 12 Shed on top of 4 concrete tube foundation and two 4x4 beams. Do you think 4 forms and 2 beams will be sufficient to store garden supplies, mower, and a John Deere ...
Freddie Willow's user avatar
1 vote
1 answer
56 views

Is it a problem if my back flow preventer pit is filling with water?

I bought his home in MN and moved in back in February. This is my first home and it was remodeled by a flipper. It’s now spring and has rained quite a bit the last few weeks. Last week, I discovered ...
Kirby's user avatar
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1 vote
0 answers
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Free Standing Lean-to Patio cover stability question

I am planning on building a free standing 12'x20' lean-to patio cover over my ground level back deck. I was planning on doing six 12"x16" piers (located near Atlanta, GA) for the six 6x6 ...
Chris Wright Jr.'s user avatar
1 vote
0 answers
101 views

Can I fill this hole in my basement slab?

What is this hole in by basement floor? It is approximately the size of the drain pipe next to it, but it's full of dirt/rubble and has a metal bar protruding from it. The home is a 1911 American ...
1911 Foursquare's user avatar
0 votes
1 answer
34 views

Can I compromise structural integrity of my house when digging next to foundation?

For context: Talking about at 1920 stucco/lath+plaster house on raised perimeter foundation in the Bay Area. I know that in modern construction the stucco would never go all the way down, there would ...
divB's user avatar
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0 votes
1 answer
26 views

Stemwall/Foundation Repair - What Product?

I need to patch some horizontal cracking in the stem wall/foundation of our kitchen. I’m not sure which product is appropriate to use. Hydraulic cement or Rustoleum concrete patch appear to be the ...
Diyordie's user avatar
0 votes
0 answers
13 views

Adding vapor barrier for basement raised floor

I'm going to build a raised wooden floor on my concrete basement floor. I will use 2x4 to make 3.5" frame and cover with 1/2" plywood. My question is, should the visqueen be applied to the ...
Bob D's user avatar
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1 vote
1 answer
45 views

Missing dirt near hatch/house foundation

My house is missing dirt below the hatch entrance to the basement. It has disappeared slowly (over a long period of time), but it's now much more visible, I assume because we've had a lot of rain ...
Frank's user avatar
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1 vote
1 answer
25 views

Gap forming in retaining wall blocks under patio

Yesterday I noticed a gap in these concrete blocks next to my foundation. Never noticed it before but I guess it could have been there a while. Seems like the ground around my house has sunk a bit. ...
Cameron's user avatar
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0 votes
0 answers
41 views

Need advice on re-grading garden beds around foundation for better drainage and if I can apply barriers/sealant to mitigate water intrusion

I'm doing some landscaping cleanup for my parents' house - for visualization, this house's surrounding layout is almost identical: The front and right side of the house is surrounded by lawn and ...
Dispatch's user avatar
0 votes
0 answers
23 views

Foundation repair at garage wall

Above grade section of concrete is damaged where the brickwork of the house meets the garage. The house has a basement though it does not extend beneath the garage. Previous owners appear to have ...
ishouldbepainting's user avatar
0 votes
1 answer
73 views

Why are there square holes in the stem wall on either side of my sliding door? I'd like to seal them to prevent pests inside my house

We just bought this house in January, and while touring we noticed a small square hole on each side of the basement sliding door. I figured I'd come back and seal it up at some point. Well, we just ...
bluehomefellow9's user avatar
0 votes
0 answers
27 views

Can floor joists be fastened directly to beams secured on sonotube piers with U-brackets [duplicate]

Let's say we have as the "foundation" for an oblong shed two rows of sonotube piers with U-brackets, and two wooden beams 6"x6" by 20' long bolted into the brackets, one beam on ...
mr blint's user avatar
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0 votes
2 answers
39 views

pouring concrete platform on existing concrete foundation

In preparation for installing a heat pump, we need to expand the existing platform on which the current heating unit sits by at least 6 cm. The room itself is long-ish and narrow. Our washer and dryer ...
Suzanne Osterburg's user avatar
0 votes
1 answer
67 views

What should go under my stone house foundation?

After diggers have cleared out the rock around my back wall, I can see that in some spots the foundation appears to have gaps underneath. I assume if I kept digging it would eventually hit rock again....
SingularityFuture's user avatar
0 votes
3 answers
37 views

How to fix drainage near foundation [closed]

I am in a new build home that has a walk out basement because of the slope the house was built on. This corner of the house has always worried me and with a new patio added, I want to add something to ...
ThrowawayHouseFoundation2024's user avatar
1 vote
1 answer
57 views

Removed the skirt of the siding now the subflooring is exposed. What should I do?

The skirt boards for the siding were partially covered in soil and rotting so I removed them. Now it looks like I exposed the subflooring. How do I prevent them from rotting now that they are exposed? ...
Greg's user avatar
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0 votes
0 answers
52 views

Water entering basement, can regrading help in my situation?

I have attached the plan for my property. To the left is the plan of the basement and the right is the plan for the ground level. The 4 black arrows indicate where i am seeing water ingress whenever ...
ks1954's user avatar
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0 votes
0 answers
72 views

What is this concrete compartment outside my foundation?

I’m planning to run some PVC conduit through foundation wall (LB body above grade and then down to 12-18” below grade) and some PVC water pipe through foundation wall (below grade). However, there’s a ...
John DiBaggio's user avatar
0 votes
0 answers
42 views

Geopolymer injection

Does anyone have experience with foundation repair using geopolymer injection? My foundation has a settlement issue mostly due an expansive fill soil. I've been discussing it with a local geotechnical ...
tox's user avatar
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1 vote
0 answers
31 views

1/2 cup of brick sediment that comes down during rains - is that a big issue?

I have one spot in my basement where I opened up my ceiling and have noticed what looks like a 1/2 cup of brick or mortar sediment powder coming down from the front part of my brick house on every ...
MonkeyBonkey's user avatar
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1 vote
1 answer
75 views

A tree has lifted a corner of my garage and about 1/6th of it is just floating. What are my options to stabilize this area?

I've noticed water leaking in the corner of my garage for a while and was planning on building a drain alongside it to pull the water away from it. There is also a tree that has lifted the surrounding ...
David Wilson's user avatar
1 vote
0 answers
54 views

Best way to replace sealant where concrete driveway meets foundation?

We purchased our house in 2022, it had been previously used as a rental. There are plenty of other examples of your typical "Landlord's Special" around the house — over-caulking in the ...
Sam F's user avatar
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1 vote
0 answers
72 views

Durock cement board on exterior foundation

So I'm trying to figure out what to do to finish my exterior foundation. The rim joist for the house is on top of concrete blocks. The issue is the grading around my house isn't consistent. The ...
James's user avatar
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0 votes
0 answers
27 views

Basement support post stabilization if the foundation is sinking and has been stabilized with steel push piers

I'm looking at buying a house with a foundation that has been stabilized following a drought that caused it to sink. Steel push piers were installed all around the foundation. During the works, the ...
user3722883's user avatar
2 votes
1 answer
87 views

Shed foundation beams robustness

I’m building a 18.2 feet (555cm) by 15 feet (460) shed, and I’m not sure the foundation beams I’m using are strong enough. The blue frame is made of 45x145mm, which is slightly higher than 2x6 (I’m in ...
Moyk's user avatar
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0 votes
0 answers
33 views

How to fill gap between house foundation and house overhang

I have an old house that has been settling since 1956. The house has a basement, and the upper floor joists extends out over the foundation about a foot. On the outside, the transition from the ...
Totte Karlsson's user avatar
1 vote
1 answer
71 views

Do Foundation Walls Cracked on Old Home Need Help? [closed]

I bought my first house 3 years ago. The unfinished basement had cracks down the walls, some stepping down the bricks, others horizontal. The home inspector (used realtor's inspector) at the time said ...
Jared's user avatar
  • 21
0 votes
1 answer
64 views

Post tension slab tendons intersections

I ordered pre-pour inspection for the house we are building and I've got this report. They say tendons should not overlap at intersections. I'm concerned that it's like that by design. Gonna ask about ...
Rainmaker's user avatar
  • 379
0 votes
2 answers
130 views

How to determine the water source in my flooding basement?

There are a few questions about flooding basements in old houses, but I think that all wet basements are wet in their own way, so none of those are helping me. I live in St. Louis, MO in an all brick ...
Nick Criswell's user avatar
1 vote
3 answers
122 views

Concrete Pier/Footing design question

I'm designing a post and beam shed with a pier/footing foundation. I have access to an endless supply of free 2x4 and 2x6 dunnage, so I'm designing the forms with that rather than plywood. Does ...
Derek's user avatar
  • 13
0 votes
1 answer
46 views

Type of contractor for basement egress doors?

I'm interested in getting some quotes to have Bilco-style doors installed in an existing house. I have checked the Bilco website, and no listed contractors in my area (Wisconsin). I can find ...
EdDantes's user avatar
0 votes
0 answers
93 views

Cracked and sunk concrete - Lift or fill?

I have a shed that is 90+ years old. The shed structure itself is in great condition (someone actually replaced a bunch of the framing), however, the slab is a mess. It was built before rebar was used ...
user122211's user avatar
0 votes
1 answer
57 views

Large gap between slab and siding of house

It seems like one side of my house is protruding from the concrete base. This is a 2 yr old house with the gap leading into my kitchen. I eventually noticed after I started seeing some pillbugs in the ...
Jshoe523's user avatar
  • 101
-1 votes
1 answer
99 views

Should I connect my foundation's weeping tile to neighborhood storm water drains?

My house sits at the bottom of a hill, and the water table gets high when snow melts and during heavy rains. We have 2 sump pits that fill quickly during these times, and the sump pumps are on and off ...
Kristy's user avatar
  • 1
1 vote
1 answer
80 views

Should I fill trenches along the foundation in my crawl space for stability?

I was exploring my crawl space and see that the soil level dips down as it reaches the final 12 inches before hitting the foundation walls. In some areas I can even see the bottom of the foundation ...
Gus Gauntlett's user avatar
0 votes
1 answer
90 views

Does tar need to be removed from concrete before an overlay is poured?

We're doing a 1 3/4” concrete leveling layer over an existing slab as prep for LVP flooring. Does the tar need to be removed completely for new concrete to bond? And do I need to seal existing cracks ...
Ann's user avatar
  • 1
0 votes
1 answer
57 views

How to properly cement fill a small hole next to a foundation for a 100 year old beach house built on pier & beam foundation?

In summary, there is a small hole in the ground that has formed in about a 6 inch gap between a cement walkway and the cement foundation wall for an old beach house (over 100 years old). The beach ...
David's user avatar
  • 1
0 votes
1 answer
75 views

Are these block foundation cracks problematic? [closed]

What steps should I take to address these cracks and how problematic are they? I am hoping to insulate and finish this exterior wall.
cmarker's user avatar
  • 43
0 votes
0 answers
51 views

Wood showing in my foundation should I be concerned?

I live in North Texas , recently I noticed wood showing at the bottom of my house. I'm wondering if I should be concerned and what, if anything, I can do about this?[
Dodger80's user avatar
0 votes
0 answers
27 views

Question on soil and grass above foundation

My wife and I just bought our dream 1960s renovation and we noticed that the yard and gravel patio area is pretty much covering up the entire foundation. Is this something we need to worry about long ...
melanieng's user avatar

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