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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Easy way to remove tile concrete from bathroom wall?

Are there an easy to to remove tile concrete from the wall? Are there e.g. some way to get it off in whole pieces so cleaning up afterwards will be easier? Here is a picture of the wall in question. ...
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How can I get windshield wiper fluid stains out of my garage floor?

My car's windshield wiper fluid reservoir had a leak and quite a bit of it soaked into my garage floor (which is a light concrete). It happened over night, so it soaked quite a bit. Now the floor is ...
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Should I seal, waterproof a concrete basement floor before painting?

What is the best sealer/waterproofer to put on a basement floor that I just want to paint. New construction, no water problems, but washer & drier & water heater are in basement and add to ...
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How do I install drywall when the door is too close to a concrete wall?

I'm looking for suggestions to finish one of the walls in my basement. I've included the pictures of the wall below. As you can see the doors are right up against the wall on both sides. There's ...
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Should I patch this hole in my slab?

I'm in the process of tearing out carpet and installing laminate in my guest bedroom. After I got the carpet out, I discovered a hole several inches across underneath the wall that borders the garage. ...
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What is the laziest way I can build a non-structural, non-aesthetic cinder block wall to contain compost?

I have a ton of brush that I used to burn, but I recently bought a chipper/shredder and want a spot to compost it along with grass clippings and greens. I also have 3 tons of CMUs that are just ...
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622 views

How do I dig out a hole for fence posts in a concrete patio?

I'm installing a short fence to run from the side of my house to the external garage. It will run along a seam where my asphalt driveway meets my concrete patio. I'm fairly certain that the footers ...
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201 views

How can I temporarily cover up a bathroom door to a shower room?

We are having a local swim meet and we need to temporarily cover the doors to the shower/bathroom on the pool deck to keep parents and others from coming on deck. The doorway is concrete block ...
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Should I use solid concrete or cement block for an egress window well?

I am having some contractors build a window well for an egress window at my house. I have the option of doing solid concrete walls for the window well, or cement blocks (which he said he will fill ...
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889 views

How do I fix an uneven cement floor prior to hard wood flooring install?

I have recently ripped up carpet and padding on a cement floor for a sixth floor condo unit. I plan on installing 3/4" Bella, 3' wide flooring on it. The problem is that there is a ridge, about 1/8", ...
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671 views

What is involved in enlarging a concrete garage door opening?

I have a concrete garage with an opening measuring 99" wide by 85" high. There is 10" of concrete from the door opening to the left and right walls and about 1' above. All walls are 8" thick and ...
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94 views

What is the recommended thinset when tiling over concrete?

I am about to start tiling a concrete area of my home about 220 sq feet. I was wondering if there is any specific type of thinset I should be using for a concrete surface. The tiles will be 12x12" ...
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How do I level a concrete basement floor with a 1" dip?

I want to level my concrete basement floor, but on one end it slants down over 1" (over a 3'x15' run). Can I fill this area before using self-leveling compound, to save money, or what else could I ...
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How can I prevent this concrete block wall from falling over?

I have a concrete wall that separates my backyard with my neighbor’s. It has been there for decades (at the very least 30 years). I have a slope of about 30 degrees and have noticed that the wall is ...
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How can I paint/stain an interior concrete floor?

I have a very lovable aging bulldog who has peed on the wall-to-wall carpet enough that I'm ripping it out. It's over twenty years old anyway. The subfloor is a concrete slab. My goal is to make the ...
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662 views

Does RedGard count as a rubber sealer in a shower?

In standard poured shower pan construction there is normally a rubber layer between the bottom flat layer, and the upper sloped layer. Today I came across the following "updated" method: (credit: ...
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How long does radiant heat in a concrete floor last?

I am looking to purchase a home built in 1950 that has radiant heat with copper pipes inside the concrete slab foundation. The home has been vacant for a little while now too, not sure if that ...
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943 views

What is this burnt cement floor treatment called?

In Brazil we have a floor finish named Burnt Cement (that doesn't involve burning). Here is a description of the process In summary, you use a mix of cement and pigment (sometimes marble powder too) ...
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How do I add veneer stone to an exterior painted wall?

I have an exterior painted wall and am interested in installing a stone veneer. I realize that I may have to install wire mesh to the areas but I'm wondering if there is a material that can be used to ...
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461 views

Would building a partial raised wall for a pond in this way be strong enough?

I just read your answers about "Building a raised wall for a pond." Although quite detailed, I am not very physics minded and hope someone will give me a thumbs up or down. I have a pond that is ...
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Did I properly grade the ground around my house? [closed]

I had some water issues in my basement recently. Taking a good look at all the possible causes I noticed the landscaping around the front my house was slopping in towards the house. So to fix this I ...
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Should I use a 6 mil poly moisture barrier for engineered hardwood floor installed over concrete slab-on-grade?

I am planning to install an engineered hardwood floor over a slab-on-grade subfloor. The slab is bone dry but I understand it's wise to install a moisture barrier anyway. My plan right now is to ...
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Basement subfloor, how exactly should I do it?

I am finishing a basement with my father and want to put in a subfloor. I know if there was ever enough water I would probably have to replace the floor anyways but want to give myself a couple inches ...
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624 views

How can I hang a framed picture onto a wallpapered concrete wall without damaging the wall surface?

I have a framed picture about two feet by three feet in size that weighs about one pound (not a sheet of paper). I want to hang it onto a wall that is of full-blown hard concrete and covered with ...
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Is the proposed solution to this masonry project okay?

We will going to build long interior, round(little bit) shaped staircase (similar to this) from concrete, and I needed to get instructions with physics that it will possible to make it without any ...
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How can I repair the cool deck around the pool?

In places around the pool the cool deck has flaked off and I can see the bare concrete. The previous owner tried to patch it in places but it looks horrible because the texture AND color don't match. ...
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Should a concrete slab slope toward my house?

I am adding a room to my home, the contractor poured a concrete slab for the addition and it slopes toward the existing house and it is now raining and water is coming under my floors. Is the slope of ...
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524 views

How many bags of concrete do I need?

I would like to make a small concrete slab of the following dimensions. Length: 1.2m Width: 0.86m Depth: 0.09m The cubic volume as i understand it is all those numbers multiplied. result: 0.0929m2 ...
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Can salt be used to create a slip resistance surface in concrete?

Is it true that salt can be used to put a slip resistant surface in fresh concrete?
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How to Insulate a concrete slab foundation in an older house?

What are some ways to insulate a concrete slab type foundation in an older home built in the 50's? The slab as far as I can tell is not insulated at all and results in a very cold floor and living ...
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How powerful of a hammer drill do I need to make holes in a concrete ceiling?

I want to mount a cornice for curtains on a concrete ceiling. So I believe I need some kind of hammer drill. I would like to know, how powerful should it be for this kind of work?
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How many concrete piers do I need to support a 10 x 10 wooden floor supporting a 1600 lb shed?

Aptos, CA, United States. As you've probably noticed from my prior post, I'm in the process of building a foundation for a garden shed. My specific county/region does not have strict ...
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How do I replace a wooden fence post that was set in concrete?

I need to replace a wooden fence post that was set into concrete. The post has snapped through rot at the base and the rot has set in so far that the post snapped about 2 inches beneath the surface. ...
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Installing subfloor and hardwood on top of concrete (2nd story)

I bought a condo in a triplex where I basically have all of the 2nd floor. Most rooms are on hardwood, while the rest is on laminate with a serious height difference of an inch and a half (hardwood ...
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Should a post in a circular concrete form go through the bottom?

I am replacing a fence post that was in a circular 2-ft form. The old one had rotted where the concrete and post meet at the top - the next one will have the concrete above water level! But - I ...
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How can I replace laminate with polished concrete flooring?

I'd like to investigate whether I can replace my first-level flooring - currently faux-wood laminate - with polished concrete. What do I need to know? Is it even practical to put down polished ...
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how to cut concrete beams/sleepers

I have long (60cm/23") concrete beams that I want to cut to size to build a small garden wall. They are 15cm/6" high. I know there exist heavy cutter tooling to cut through (concrete) tiles, but it ...
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How do I alter the shape of my existing concrete steps?

I have some concrete steps from my back door that I plan to cover with paver brick, so that they tie in aesthetically with my new paver patio. The existing steps are rectangular, but I want them to be ...
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Concrete slab at a brick wall

I want to build a concrete slab (upon which a deck will be build later) at the foot of a brick wall (by foot I don't mean the foundation foot, I just mean where the brick meets the grade level). I ...
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How can I remove a parking block from my garage?

So, builders have this thing, for some reason, of installing cement parking blocks a few feet in front of the hot water heater in the garage. I've lived at plenty of places without those and managed ...
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Use less water with concrete water reducer?

Reading up on concrete water reducer additives, it says it "reduces water by 5% - 10%". I assume this actually means that it reduces the required amount of water? I.e. I would mix in less water, ...
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How can I grind and smooth a concrete table top?

Hey guys so I just welded up a table and now I am going to make a table top. So here is the problem. I welded the table up and looks square but is off about 2 degrees here and there from heat warpage. ...
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197 views

Can I rescue leaning concrete forms?

I'm adding to my deck. I marked off 6 holes, and dug them about 30" deep. Then I set tubes in, letting them extend about 8" above ground. I put a couple inches of rock in the bottom. I made sure the ...
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273 views

How should I prepare an all-concrete warehouse space before building out?

I haven't put together my complete buildout plan yet, but I expect that most of the preparatory steps are the same regardless of where I'm going with it. The space is approx 100'x100'x16', and ...
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249 views

Removing stains from concrete

How can I remove stains from concrete (garage/driveway)? The stains are most likely either oil, gasoline, or transmission fluid.
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407 views

Tips and advice for repairing front yard stairs cheaply?

The front yard concrete stairs at the place we're looking to buy are in need of eventual repair. Some of the steps are different sizes creating a trip hazard. In addition, some of them have large ...
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How to remove a brass concrete anchor?

I have brass anchors like below in the concrete deck around my pool. Today, when I was raising the inner screw to install the cover, the screw was being very difficult. Trying to raise it, the inner ...
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Should I set deck post footings deeply or use concrete footings?

I am building a deck. How about setting 6x6 p.t. posts down on a concrete footing at 4 feet deep (the frost line here) and fill with gravel and soil, and then let the posts run high for the railings? ...
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How can I pour a concrete floor over a particle board subfloor?

I want to pour concrete over the particle board subfloor in my living room. I like the loom of stained concrete. We have a crawl space underneath. My question is what product do I use? How thick so it ...
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251 views

How long can a concrete pool stay without the water?

After draining the pool, how long can it stay empty. In other words, how much time do I have to work on it, before it is not safe? I heard opinions that concrete pools can't stay long without the ...