Questions tagged [concrete]
Concrete is composed of cement, aggregate (including crushed rock and sand) and water. In homes, it's frequently seen in the foundation, driveway, sidewalk, patio, and stone walls. Note that bricks use mortar in the joints, not concrete.
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How to go about furring irregular concrete wall
I have irregular Concrete stem walls that I would like to fur out for paneling. The walls vary in depth vertically and horizontally. Conceptually, I understand it is as simple as finding the furthest ...
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How to stop or redirect water running across concrete floor?
I have a wall in my basement that is a giant piece of rock, the rest of the foundation was built around it. The rock has suddenly sprung 100 leaks, which I have tried to seal with hydraulic cement but ...
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Does spackle adequately protect exposed concrete reinforcing steel? [closed]
I live where the buildings are all made of reinforced concrete. In my apartment, we just had a window replaced (a big salon window) and the workers were a bit brute-ish and a big hunk of concrete ...
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Old deck footings not aligned with posts. Replace footings or extend them?
I have a 12' x 8' deck about 2' off the ground. One side is attached to the house with a ledger board that is in good shape. However, at the other end of the deck the posts are rotting at the ground. ...
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How should I direct water away from my foundation and doorway? (Brick patio on concrete slab)
I have a brick patio laid on top of a concrete slab with a generous slope toward my foundation and garage entrance. Water routinely makes its way under the door in the garage, and during heavy rain I ...
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Shelves in concrete+drywall
Before I absolutely wreck a wall at work I need some insight:
I’m familiar with the process/drill/bits/anchors associated with installing shelves in concrete so I don’t have questions about that part, ...
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What kind of concrete repair material should I use to fix this peeling patch in a sloped drain that is puddling water?
How should I fix this drain slope that was patched and now has a high spot, making the water pool and soak under the peeling patch instead of making it to the drain? I'm a DIY'er so would be looking ...
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concrete slab for shed base
I am about to order 12x20 shed kit and need to start building concrete slab. Can I throw 3inch gravel and 2inch concrete on top of the gravel? Or this wouldn't last long? I can pour all concrete but ...
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Ac drain pipe leaking
AC drain is in a horrible position - it's leaking on my concrete. will it cause damage?
I live in hot area. Any ideas to fix?
I did a bandage job. AC guy wanted to get a pump from furnace through ...
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Demolishing Concrete Patio that Protects Foundation and Door Threshold
Past questions have considered the general case of removing a patio that adjoins to a foundation, but I was hoping to show a few photos of my job and see if any specific advice applies here. My house ...
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How can I seal between steel framing and a wavy floor slab?
My shop leaks in multiple places because the concrete guy did a horrible job so the steel foundation of the shop is not airtight sealed to the concrete. Trying to figure out the best material to use ...
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Using concrete as an edging restraint for a paver patio
I've been seeing a lot of references to using concrete as an edge restraint for pavers. I am more familiar with the plastic edge restraints. With the plastic type, you install them before you do the ...
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Glass strips on concrete floor is breaking
I have concrete floor in old home, where glass strips are used to partition the concrete floor like this Glass Strip
These strips are breaking from top and I am afraid might pinch foot some time.
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Foundations/ footings
Hi I have engaged a builder to pour the foundation for a shed/ man cave. I’ve asked for it to be 600mm deep, I’ve returned home to find that they have poured it at around 400mm and the rebar level ...
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How to fix this outlet stub up through concrete?
How could we fix this situation?
So a contractor laid a 2" conduit for electrical underneath and stubbed it up. This location is supposed to be for an in-floor plug. When another contractor came ...
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Non-slip grip tape not lasting on worn outdoor concrete pathway. Non-slip paint?
We have a portion of very smooth and worn outdoor patio area concrete that, over 52 years, has become like a polished surface and now is extremely slippery in the rain/when wet, a hazard for my ...
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How should I repair a crack on my garage slab at the overhead door line?
We recently bought a house with a garage attached to it. Like many garage concrete slabs, it is cracked, just outside of the garage door (see picture).
Since the area sees a lot of car/motorcycle ...
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How would you fill a gap between the foundation wall and sidewalk?
How would you fill this gap, this spot in my driveway gets a lot of water. My only concern is that caulk will not be able to fill that spot and the other concern is that the hydraulic cement will be ...
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Product to fill hole in brick foundation [duplicate]
Old service entrance has started to fall apart and insects have moved it. The hole is plugged with concrete on the inside.Once they're removed, how best should I fill this?
The mortar around it is ...
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Air conditioner condenser pad over rocky, uneven ground
Wanting to pour a small pad for a side discharge AC compressor under my deck. The ground as shown is never level and hard rock. Unit is 200 lbs and I need this pad to last 10-12 years.
I am ...
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Gravel under concrete in Second Floor Bathroom
I'm having my bathroom redone on the second floor of the house and the contractor replaced the concrete slab under the tiles with concrete over gravel. On the second floor? Is that to code? Is that ...
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Adhering paving stones to wet concrete basement floor to divert water seepage direct to sump pit
Basically looking for advice on adhering pavers 2x4x8" to concrete that is permanently wet due to water flowing through basement stone wall. Idea is to make a moat that funnels the water right to ...
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How should I repair this wall and siding damage from old conduit?
An electrician came and upgraded our service a few months ago. You can see the new meter and thick service conduits in the photo.
However, they left holes where the previous conduit was, as shown in ...
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Removing self-leveling concrete from wooden subfloor?
My partner and I are replacing the carpet in my office with vinyl(w/ cork underlayment) flooring. After tearing up the carpet we noticed the wooden subfloor in one corner was messed up. It's like the ...
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Updating the side yard with pavers and planers. Looking for feedback/input on foundation
I’m wanting to fix up my side yard that leads to our patio. The general idea is to use the existing concrete foundation as my base and add sand, pavers, poly, etc (Following a recommended YouTube) to ...
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Grading between house and patio
Installing a 60’x20’ concrete patio that runs the length of my house and attached garage. My furnace inlet/out pipes are located on that side of the house, so I was thinking of starting the patio 3’ ...
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Pouring concrete stepping stones in a gravel path
I have a crude gravel walkway (1"-1 1/2" gravel) and I want to pour some concrete pads to use as stepping stones to make a finished path. The plan is to make 2'x4' concrete pads and fill in ...
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How can I protect a 8x8 post from 8" of concrete?
I am pouring a slab but there is a 8x8 post in the way how can I protect at least 8" of post from the concrete eating the post?
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What can I put over this painted mortar/concrete?
The house I bought has some kind of concrete roughly smeared and painted on the front side of the house. I am looking for a fairly cheap solution to improve the look until I can afford to replace the ...
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The walls in this house might have concrete inside of them, how would i mount large tvs , my pole mounted monitors and run cables thru where i need?
This house was moved from a southern state , not sure what one in 1969, owner says it was built in 1901,the owner is unfortunately one of those guys that destroys almost everything he touches, ...
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How can I mitigate water on a patio installed higher than pier and beam footing?
(Forgive all of ignorance and incorrect terminology, I have no idea what I am talking about.)
Pier and beam house, a concrete patio was installed directly abutting the back of the house by the ...
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How can I conceal damage to a coated concrete floor?
I believe this floor is concrete flooring with an epoxy seal or some sort of shiny finish; was dumb enough to think it'd be okay to throw some masking tape on the ground while I did some work and ...
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How to repair patio with missing edge on an incline
I bought a house with a patio that is surrounded by a bed of stones which are held in by by a treated wood bar. On the other side of the wood is a 8 inch drop to a vegetable garden. There's a french ...
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What can I do about the crumbling edge of this concrete driveway?
Two problems at the end of our driveway:
driveway was poured about 2 years ago (before we bought) directly over a massive tree root with seemingly no preparation. Bits of concrete are predictably ...
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Replacing Concrete Pool Decking
My concrete pool decking needs to be replaced. I've had three concrete companies come give me estimates. The first told me it was fine to pour new concrete over the old concrete. The second told me it ...
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Foundation under brick corner is moving/detached
Context: I'm a relatively new homeowner living in a 1958 brich house in Canada (think winters). FWIW, my house is old, has very few water holes and the face where the corner broke off is where the ...
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Type of Paint for concrete shed?
I have tried power washing this shed but it still looks dirty. I would like to paint it white. Any ideas what kind of paint I should purchase?
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How to repair a crack/gap/hole between tarmac and concrete
I have a chip and tar driveway (tar covered in gravel) next to concrete paver path. A 1 to 2 inch gap has developed over time with erosion. I fear that a mortar repair won't adhere to the asphalt and ...
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Can I apply sealant over wooden expansion joints?
My driveway has 3/4" strips of wood in the expansion joints of the concrete.
Can I apply a polyurethane sealant (Sikaflex) or a silane polyether sealant (Rapidset) directly on top of the wood?
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Suggestions for filling a gap (up to 4" x .5") between the sole plate and the concrete slab
I am finishing my garage for living space and the sole plate is much wider than the exterior walls, leaving 3-4" exposed inside after drywall. On 2 of the exterior walls, the plate is up to 1/2&...
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Concrete Fence Base Exposed
I dug a 2’ deep garden bed right under my fence posts, exposing the concrete bases. The dirt was clay and fairly substantial. I intend to backfill in a week with a mix of soil that will be lighter. ...
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Best course of action given problematic bottom plates in basement finishing
I've asked a few questions about a basement finishing project already. Well, after getting more skeptical of the contractor who framed the room out, I reached out to the waterproofing company that ...
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Repairing base for exterior slider
Any suggestions on how to repair this? Someone my daughter hired installed a glass slider straight on to this concrete. It was obvious the installation was subpar so we removed it and found just ...
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How to enginner support for this garage footing?
We have this wonky footing under our garage. There will eventually be stairs going alongside it and I'm curious how I should go about keeping that footer supported. New cement footer + rebar ...
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clear coat cement sealer for basement
We are going for an "unfinished" basement look. The picture doesn't do it justice but our cement is in really good condition even though the home is 50 yrs old. The goal is to clear ...
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Is this crumbling concrete step salvageable?
This is at an older family member's house and is the primary point of entry into the house.
What is the best way to go about fixing this? Can it even be fixed?
If it can't be fixed, is there anything ...
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Sizing and installing a post for a heavy swing gate?
I built a fence out of some reclaimed wood for a themed party in my back yard. We put it up to hide some of the plumbing and electrical gear on the side of the house.
Now I’m thinking I like it there,...
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Should I caulk gaps where the top concrete platform meets my concrete steps?
Do I need to seal the gaps where the top concrete platform on my front porch meets the concrete steps (circled blue in picture below)?
I see people online say to seal the gaps between the lower ...
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Are my drop-in anchors fully set?
I'm installing 1/2" drop-in anchors into my very old (~1930's) concrete ceiling. The aggregate in that part of the ceiling is very dense (I think the rocks settled when it was poured) so the ...
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How would I fix this leaking garage?
My garage is leaking. I cut away drywall and noticed that some of the joists are rotting or damaged. There's mold, I think a lot. I think the cause of the leaking might be related to water that's ...
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