Questions tagged [slab]

The tag has no usage guidance.

Filter by
Sorted by
Tagged with
0 votes
1 answer
54 views

Adding laminate to concrete slab, am I planning this right?

Looking to put in Laminate flooring and seeing if my plan is ok or if it needs some correction. Background This is a half basement on grade, with about 4 feet underground on one side and walk out ...
ChucktheDuck's user avatar
0 votes
1 answer
35 views

How can I feed 2" PE pipe through a slab--asking about bend radius? [closed]

I'm trying to set sleeves for a monolithic slab pour. One of the sleeves is intended for running 2" water line. I wanted to use HDPE SIDR pipe aka flexible poly pipe. I can't find bend ratios for ...
cjc's user avatar
  • 99
0 votes
0 answers
58 views

Underpinning concrete slab in garage

I am looking at buying a property with a raised section in the garage with a concrete floor. This is a garage entirely seperate from the house. The earth under the end of the slab has fallen away: ...
gilbertbw's user avatar
  • 101
0 votes
1 answer
50 views

What is the best way to cut drywall that is touching concrete slab and can I fill the gap with backer rod?

Updating our late 70s house we bought in 2020 and and after removing tiles, found out the 2018 installed drywall touches the slab. 3 questions: Is the easiest way to fix this use an oscillating tool ...
ChucktheDuck's user avatar
0 votes
1 answer
43 views

water under sill plate, rotting sheathing

I have a detached garage of unknown age - the house is from 1935, so probably around then or newer. The garage is built directly on the slab with no curb wall. On one side of the garage, the slab is ...
Bengerman's user avatar
  • 103
0 votes
1 answer
29 views

How should I fill a void in my slab/CMU foundation?

My rental property has a void in the CMU/slab foundation that is leading to a water intrusion issue. I need advice on how to effectively force hydaraulic cement into a small hole to fill the voids. ...
Seth's user avatar
  • 1
3 votes
1 answer
254 views

Do I need reinforcement mesh or bar in concrete slab?

I've done a bit of searching and found conflicting answers: do I need reinformenent in my concrete slab? I am planning on putting down a 12ft by 8ft concrete slab for a shed (just for garden storage, ...
Puffafish's user avatar
  • 361
1 vote
0 answers
44 views

Will the vent arrangement for my bathtub pass inspection?

4 fixture bathroom - Florida inspector says all fixtures need to be wet vented in bathroom. I want to ask if the bathtub to the right with its own vent will work. I believe the inspector is wanting ...
Beaty's user avatar
  • 11
0 votes
0 answers
19 views

How to repair cracks in concrete floor after a slab leak?

Had a cold water leak in pipe under slab. Water came through cracks in floor. What is best and inexpensive way to repair the cracks?
Bet Okonkwo's user avatar
1 vote
0 answers
39 views

Double slab in the basement

We recently got about 12 inches of water in our basement during some heavy rain. I've decided to put in a sump to prevent this in the future. I rented a breaker to get through the concrete. After ...
George's user avatar
  • 11
1 vote
1 answer
107 views

Can I build a wooden staircase on a concrete slab and meet code?

I'm currently in the process of replacing the front stairs on my house and my original plan was to go with a precast stone/granite staircase. To support this I poured this 6'x8'x6" pad to have ...
Matt's user avatar
  • 11
0 votes
1 answer
39 views

I'm looking to install turf against concrete patio slab, but the weep screed is in the way

I have a conundrum. The concrete slab depth ends right around the stucco weep screed on one side of the patio. I want to install turf and obviously won't be able to make it flush. There may be less ...
Alan's user avatar
  • 3
0 votes
3 answers
65 views

Refilling gravel under slab on a downhill grade

Our front patio was poured over an existing slab, with a significant gravel layer between them. I am digging out our water line, which happens to run just outside the edge of the slab. The plywood ...
nickwesselman's user avatar
0 votes
2 answers
98 views

What is the structure of a cement front porch on a 1940's house

We've been unable to get porch & deck enamel paint to not peal, so we are thinking of demolishing it for a rebuild of some or another design. Last paint job was ~5 years ago. Scraped off all the ...
User292177's user avatar
0 votes
0 answers
32 views

Double P Trap Unvented Under Slab

My kitchen sink has 2 p-traps that are unvented. One p-trap is under the kitchen sink, and the second is under the slab. What should I do? I am concerned about toxic sewage gas, not a slow drain. It ...
Chloe's user avatar
  • 1
0 votes
0 answers
44 views

Cement porch removal

We are planning on removing a cement porch from our house, which has a room underneath it. My husband did this to my parents house, using a sledgehammer, but he was 35 years younger. He has some type ...
Mary's user avatar
  • 1
7 votes
4 answers
2k views

Pouring a concrete slab in batches

I'm wondering if it's okay to pour a 7 x 9 x 4" slab for a shed in batches, in that I'm not able to handle all of the concrete in one day. If so, is there any attack plan that would work the best?...
Dave's user avatar
  • 71
0 votes
1 answer
75 views

Preparing addition room for a concrete slab, then dicovered old stair well hidden, how can this be dealt with?

An old addition room to a unit has structural issues, it was more than a hundred years old, and the floor structure was rotten, turns out they used a large beam in a reverse brick shelf right on the ...
J. M. Becker's user avatar
1 vote
1 answer
71 views

Water coming from the slab under the tub?

My house was built in 62, with cast iron pipes. They failed and I had them re-lined (CIPP). My guest bathroom backs up to my master bedroom closet. The other day when the kids were in the bath, I ...
Anthony's user avatar
  • 11
0 votes
1 answer
49 views

concrete patio, grading, geotextile [closed]

I am about to make a concrete slab patio along the wall of my house facing the backyard (38' long house wall, 10' wide concrete slab). To ensure proper water drainage (now, water may stay next to the ...
Anar Guliyev's user avatar
0 votes
1 answer
185 views

How do you fasten interior walls to a post-tensioned slab?

I want to install French doors on an opening on the ground floor of my house. This will require building out a small interior wall to frame the doors as the opening is too big at the moment. We have a ...
Ian's user avatar
  • 289
0 votes
2 answers
104 views

Can a concrete slab with a 6 inch deep footer support a wall made of 8"x8"x16" concrete blocks that is 8 ft high? [closed]

Slab is reinforced with 1/2inch rebar. The footer is about 9 inches wide. This is located in Atlanta, GA. I am no soil expert, but there seemed to be a fair amount of clay in the dirt. Underneath the ...
Blake Seignious's user avatar
1 vote
1 answer
312 views

Crack in ABS drain pipe at slab

As pictured, this is my kitchen drain line and vent. It may be hard to see in the photos, but the 2" ABS goes into the concrete slab. Due to earth movement (my guess, and you can see the line ...
Ari's user avatar
  • 11
0 votes
0 answers
87 views

Is it okay to reroute this water heater line?

The slab under hot water heater 3/4" hot manifold was leaking, so I decided to have plumber reroute through the attic. The 3/4" copper that supplies hot water to bath manifold through the ...
Kenny Chenzy's user avatar
6 votes
3 answers
1k views

Increase Thickness of Concrete Pad (for BBQ Island)

I poured a concrete pad a year ago in preparation for a BBQ island that I'm building. Unfortunately, I was slightly off on the elevations and as a result, the pad is level with the patio pavers (was ...
Richard's user avatar
  • 97
-1 votes
1 answer
66 views

Total weight my slab can carry

I have a stilt and first floor .It have size of 10'x18'. It is concrete slab of 4" and it doesn't have reinforced. It has been supported by steel beam and column. Now I have a table of marble ...
Sajjan's user avatar
  • 1
0 votes
0 answers
60 views

Filling the holes for a concrete slab

There are two holes occured on 1st floor slab which are irregular in shape and able to see the ground floor which are having beams between it. How to fill those holes without disturbing the slab???
Venkat Chandu's user avatar
1 vote
2 answers
42 views

Slab Leak in Foundation [closed]

If there is a slab leak, will the water eventually come directly out of slab above the leak or can it come up in the surrounding are?
Glen's user avatar
  • 21
5 votes
4 answers
3k views

My bathroom slab is 2 inches lower than the rest of the home's slab. How should I level it?

I am renovating our primary bathroom in our 1958 home. I demoed the tile and decided to demo the dry pack used to float the bathroom. After getting the dry pack out it appears my bathroom slab is ...
s3aborn's user avatar
  • 53
0 votes
0 answers
77 views

Extend concrete slab on slope

We have an existing concrete pad that is 18’ wide x 20’ long. The slab is level but is built into a hillside so has poured concrete that goes from level at access point to about 2’ at rear. We would ...
Sophia Marner's user avatar
1 vote
1 answer
58 views

How can I determine if a prexisting slab on grade is frost protected?

I have a detached garage that was built sometime in the 50's. At some point it seems that an addition was made to it to create a shop. There was an old oil burning stove in there as well on the ...
LuckyURE's user avatar
0 votes
0 answers
47 views

PolyRenewal foam injection for settling slab foundation

My house is built on a concrete slab foundation and is 20 years old. Part of the slab, roughly 15'x6' in size under the kitchen, is cracking off from the rest of the foundation and settling down. In ...
Fijoy Vadakkumpadan's user avatar
1 vote
1 answer
71 views

can a professional distinguish between a previously sunk foundation and a currently sinking foundation?

I bought a house with the understanding that the foundation had sunk some, but that the structural problem had been permanently fixed and stabilized (with steel columns) in late 2019. However, I'm ...
Mathew Alden's user avatar
1 vote
1 answer
427 views

How would I go about replacing a small section of basement slab?

I would like to replace a small section (approx. 2'x3') of the basement slab. The crumbling section is near the foundation wall, which also has some damage from spalling. I have regraded the exterior ...
ErnChe's user avatar
  • 165
3 votes
2 answers
231 views

Is 13 inch X 8 inch hole left in basement slab a code violation in new construction? Drain plumbing repositioned and hole left void of fill/grout

New construction builder said to leave 8 inch by 13-14 jackhammered hole, made to reposition bathtub drain pipe in basement slab floor. Tub was set over to cover up hole. Bath walls and floor tiled. ...
Cheystal 's user avatar
1 vote
0 answers
69 views

What purpose would a flashing between the studwork baseplate and a concrete slab serve?

I have seen and read online that the baseplate is usually fixed directly to the edge of the slab. However, I also saw a passive house video on YouTube where the builder placed a rubber gasket under ...
Gerry's user avatar
  • 13
1 vote
0 answers
56 views

Fill the foundation cinder block?

Removed carpet from a lower level walkout in a 1985 Minneapolis house and found the patio door is set on the cinder block foundation wall. Planning on installing LVP. Should I clean the detritus and ...
L Floyd's user avatar
  • 11
0 votes
0 answers
119 views

Can I attach a deck to floating slab building?

I have a garage that was built on a "floating slab". I want to attach a deck to this garage using a ledger board at the garage, and then posts with a beam at the other end. If I put the ...
Martin's user avatar
  • 1
1 vote
0 answers
147 views

Can we pour slab even if the bricks below it are not leveled?

So we were about to pour concrete on on top of 3 layers of bricks that is already done. I always ask the guy who manages and he always say its leveled , so today I went my self and we all checked but ...
Madian Malfi's user avatar
0 votes
2 answers
256 views

Can I put a 32” x 60” curbless shower in a post tension slab?

Can I put a 32” x 60” curbless shower in a post tension slab? I’m assuming this must be carefully chipped out, you can’t just send someone in with a partner saw.
Richard's user avatar
  • 549
0 votes
0 answers
212 views

Dry Well Against Foundation

I live in a house with a slab foundation. The soil is red clay. One of the downspouts outputs 8 inches above the ground into a small flower bed and walkway. When it rains, a divot is formed into the ...
theastronomist's user avatar
0 votes
0 answers
38 views

integrity of unreinforced 6-inch concrete slab floor for a 15mx20mx1.8m pool

Our church built an in-ground pool with the following dimensions: 15m x 20m x 1.8m (roughly 540cum) in our retreat center. However, no reinforcing bars were added when a 6-inch thick floor slab was ...
Dan's user avatar
  • 1
0 votes
0 answers
40 views

Weed and water "skirt" around a slab

I'm working on plans to put a "skirt" around the slab of the house both for weed control/ termite visual inspection and to stop any water pooling against the slab. I've settled on crushed ...
Geek's user avatar
  • 1
0 votes
0 answers
208 views

Is this a foundation problem - void space underneath exterior brick wall

We moved into this house 5 years ago and did not find a piece of dead tree root at the bottom of the wall until yesterday. It seems the previous owner cut the tree, but here is a small damage to the ...
Cal's user avatar
  • 103
0 votes
1 answer
639 views

Can tree roots raise a driveway concrete slab?

One of concrete slabs in our driveway has risen around 10 cm (4 inches) at the higher end and around 5 cm (2 inches) at the lower end as in the photos below. The slab is around 3 meters (10 feet) wide,...
Reza's user avatar
  • 531
0 votes
1 answer
1k views

Can we use hybrid water heater for radiant floor?

We have a concrete slab radiant floor that is currently heating by propane tankless boiler (Lochinvar NKC199N), but as you know LPG is expensive and not quite efficient. Now, I am thinking about ...
ysok's user avatar
  • 21
1 vote
0 answers
842 views

Cabinets Installed Directly on Slab?

I just had some cabinets installed in my kitchen directly on the concrete slab foundation, and the installer didn't use any moisture barrier or anything comparable to ensure the wood products avoid ...
Rifica's user avatar
  • 11
1 vote
1 answer
222 views

Prioritizing foundation/slab repair and sewage pipes?

My house is old, built around 1955. It has two outstanding issues, Slab repair (very likely needs to be done, doors don't line up and I see cracks above some sills, it has slab repair before) Sewage ...
Evan Carroll's user avatar
1 vote
1 answer
180 views

Slab Foundation with Cracks and Uplift in Floors, Driveways and Back Patio

I am buying house for the first time and the home inspection report came back saying there may be potential foundation issues. I have attached screenshots from the report below. This is an 1976, one ...
Dian Zhao's user avatar
0 votes
1 answer
671 views

Can I build a porch extension on a slab?

I would like to make an extension for our house entry. Our home is a split-level type of house, and the entry is super small (no space for a closet. You enter the house, and there's around 3 feet of ...
larin555's user avatar
  • 105

1
2 3 4 5