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 can I prepare uneven concrete basement floor for vinyl planks?

I have roughly 600 sq ft of basement that needs new flooring after some unfortunate flooding this past summer. We had carpet over concrete and are now looking to lay vinyl planks down. There is about ...
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2answers
242 views

Are there any advantages to using higher priced sealers?

I want to use a water based sealer on my pavers to bring out the color and also for some resistance against dirt and fading. I went to the store and saw sealers varying in price from about $11 per ...
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1answer
5k views

How to stop outside rainwater from coming in under the wall and through the concrete floor of my garage conversion?

I have got a problem with an attached garage converted den in a 1978 built brick home. The heavy spring rains are redirected to the two year old perforated drain system on the side of the house ...
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1answer
2k views

What do I level a 2" slope in my concrete basement floor?

I want to finish a 12'x36' part of my basement. The trouble I am having is that it is sloped to a floor drain. I was told that DRIcore and shims would work but the drain is a 2" slope down from the ...
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1answer
661 views

How do I create concrete or fiberglass outdoor seating that will last?

My husband and I have a design for outdoor seating we would like to create that is organic (curvy) in shape and surfaced in mosaic designs. Think of a dragon undulating in and out of the water, the ...
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2answers
650 views

What is the maintenance schedule for a concrete driveway?

I have a concrete driveway that I'd like to keep looking good, and in good working order. What needs to be done to maintain the driveway, and how often should it be done?
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Is creating a concrete driveway a diy?

The entry of the driveway is just a rock bed with no concrete. I want to replace it, it doesn't have to be replaced with concrete so I'm open to suggestions there. If it is a diy, what are the high ...
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1answer
398 views

How do I repair a concrete driveway that has been damaged by salt?

When we moved into our house the driveway was pitted due to salt use. We would like to repair this, but we are looking to know what the best method would be. Can a new layer of concrete be added over ...
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1answer
333 views

What's the best way to fill in some uneven cracks in my garage and level it out so that I can paint over it?

I have a big crack on my garage floor. I need to fill it and level it out so that I can paint over it using that garage floor epoxy paint. Basically, I'm selling the house and I want to make the ...
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1answer
486 views

How do I determine the correct rise of a step for a concrete footing on a slope?

Going to be building a retaining wall in the front yard on a slope. I'm going to be using King size residential bricks to make a 2 wythe wall. Because of the slope I'll need to have 3-4 steps in the ...
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4answers
655 views

What are these holes in my concrete wall and how can I mount things to them?

I have several 2.3" holes in my concrete walls. I think they were likely used as part of the construction or assembly process. They're maybe an inch to an inch and a half deep, and they look like ...
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4answers
617 views

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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3answers
651 views

Will this drill bit work on concrete?

I'm very new at drilling stuff and I have never drilled a hole in my life before. I need to drill through concrete (I don't know what kind of concrete it is), and I'm wondering if the following drill ...
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2answers
631 views

What can I do about this painted concrete?

The previous owners of my home decided to paint the sidewalk and porch surfaces. Not only are they painted but they are this horrible color. Do you have any suggestions on what to repaint them with ...
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2answers
723 views

How can I strip and repaint a concrete porch?

My porch is concrete and has been painted over several times, the last time by the previous owner using paint that is obviously not appropriate (it's very slick when it rains/snows). It needs to be ...
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1answer
348 views

Will having a joint between concrete beams weaken a structure?

My house is currently being constructed. It is a 20x60 foot plot. The boundary walls on the left and right sides are 4 inches thick. The beam on the right side 4-inch wall has been constructed. Now ...
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1answer
153 views

Concrete basement: Do I need a sealer or wax only?

I'm going to acid stain my concrete basement floor. Do I NEED a sealer, or can I simply apply wax directly to the concrete (which intuitively would act as the sealer itself)?
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1answer
465 views

How should I flatten (not level) a concrete subfloor?

In the final stages of finishing a room in our walk-out basement. This particular room has a long history, as it was originally a garage. Thus, it has a slight pitch from the back of the room ...
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2answers
3k views

How can I repair a slow leak in my concrete fountain?

I have a painted concrete fountain whose bottom well slowly leaks over about 2 days. My area gets to ~-20c (-9ish F) in the winter, so I worry that trapped water is slowly destroying it. I suspect ...
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1answer
182 views

Can too little sand equal weaker concrete?

Often on a bag of cement the instructions will relate the quantities in terms of bags of cement with wheelbarrows of sand and stone. They claim that 2bags cement = 1 wheelbarrow. I found that my ...
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2answers
3k views

Will I trap moisture in the concrete of basement walls and floors if I seal them with epoxy?

I'm thinking about painting my basement's walls with some concrete sealer (before finishing the basement) and floor with epoxy paint. Many people are doing that, but I'm concerned about moisture in ...
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2answers
2k views

How can I prepare this concrete floor for tile?

I'm looking to replace an old carpet in my finished basement with tile. I've removed the carpet and found a surface with some peeling paint, which I've read needs to be removed since the thinset for ...
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1answer
371 views

Will I cause problem/cracks with jumping exercise in upper floor?

Every day I am doing my martial art practice in upper floor. It contains jumping and power movements which cause sounds downstairs. Is there any problem for concrete by this continuous jerking ...
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1answer
86 views

How do I install a range anti-tip kit into hardwood floor on concrete?

I'm preparing to install an anti-tip kit for an electric range. It's a piece of shaped metal designed to be bolted to the floor with two screws or bolts. The floor is hardwood (probably engineered) ...
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2answers
1k views

Can I change the color of the mortar in my brick wall?

We recently built our home and the mortar color between the bricks is dark gray, we did not pay attention to it and because of that the brick face is looking duller due to the standard gray mortar. ...
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3answers
492 views

How can I hang a large but light poster on a concrete pillar?

I have a large (est. 5'x7') sheet of plastic foam with a poster printed on it. It weighs maybe 3 lb and is reasonably stiff. I'd like to hang it on a solid rectangular concrete pillar about 2' wide. ...
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0answers
349 views

How do I repair cracks in the concrete pillars supporting my patio roof?

I have two round concrete pillars that support my patio roof. I have noticed that they have cracks even though they are new. I suspect the filling of mortar and bricks inside those pillars was not ...
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3answers
2k views

Can I lay pavers over a concrete patio?

I have a concrete patio in my backyard that's in pretty good condition. We don't like how it looks, so we'd like to cover it up with brick or pavers. Looking online, it appears that most people ...
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1answer
1k views

Drilling holes in concrete

I'm not what you'd call a handy guy, and now wife wants me to put up curtains. This task is reduced primarily to getting a bit of metal stuck to the ceiling. I bought screws and anchors. The anchors ...
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2answers
2k views

What can I do about this gap between my driveway and the street?

I have a low car and the ditch between my driveway and the street is pretty big. I usually enter my car in reverse at a very steep angle as to not have it scrape the lower front. My neighbors park ...
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4answers
475 views

How could I flatten these warped sleepers layed on uneven concrete to an acceptable level?

The concrete in my basement is, as most concrete is, very uneven. I was building up my subfloor to match an existing floor, so I got about 200 board feet of PT 4x4 and ripped 1/2" off using a table ...
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1answer
652 views

What are “concretors' nippers” for?

I came across this tool called "concretors' nippers" I guess they are for some operations with concrete reinforcement, but can't find any details. What operations is this tool for specifically? ...
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1answer
509 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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1answer
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How do I build a form and pour a concrete pad?

I have a new safe that I want to put out in the garage. I'd like for it to be in a specific corner, but that corner has a few quirks. First, the slab is pretensioned. No cutting, drilling, coring, ...
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2answers
783 views

What are some good concrete and foundation books?

I've done all sorts of home repairs and projects, but never concrete work. I've been looking for a good book to help me learn how to build concrete foundations for a home, and how to pour and finish ...
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1answer
943 views

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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3answers
12k views

How to mount hooks into concrete ceiling that must be able to support several times bodyweight?

I am on the top floor of a loft apartment that used to be a factory. I want to install several hooks or some other fixture into my concrete ceiling from which I can hang gymnastic rings, a punching ...
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1answer
477 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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1answer
782 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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2answers
1k views

Is it wise to cut a long trench in concrete slab foundation?

I've got a two-car garage (4-inch concrete slab on grade) that I'm turning into living space. I want to put a bathroom out there but I need to get plumbing through the floor. I didn't think it was ...
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3answers
10k views

Can a cheap angle grinder be used to cut concrete and ceramic tiles?

I am interested in the Black & Decker KG100 600W Angle Grinder because it is cheap enough. I will only use it occasionally for small scale do-it-yourself home improvement works. But, I really ...
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2answers
338 views

Can I use blind rivets in concrete?

Somebody told me about using blind rivets (5mm) to attach drywall steel tracks on concrete floor and ceiling. Do that really works? How good is this compared with bushing and screw?
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2answers
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What type of wall construction is shown in these pictures?

These photos were taken through a small hole in the wall of a house. They are of the inside of the cavity. The hole they were taken through is at a height of about 60cm from the internal ground floor ...
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1answer
180 views

Why are my concrete water tanks not retaining water?

I have concrete water tanks, where I grow ornamental fish. Recently on draining the tanks to clean, I observed that they do not retain the water. The tanks drain over time, ...
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1answer
3k views

How do I create a curved surface drain out of concrete?

I have a barn and a pump house (10x16) structure that are within 3 feet of each other, built in 1910. The barn's foundation is field-stone, mostly exposed on the side of the pump-house. There is a ...
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5answers
9k views

What is the best way to remove and prevent leaf stains on concrete pavers?

We have a brand new paver stone walkway/patio. To my dismay, I noticed that their were leaf and acorn stains from the oak tree in the front yard. I've learned my lesson and I'm going to try to keep ...
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4answers
32k views

How do you secure wood framing to a concrete basement floor?

I'm using Pressure treated lumber for the bottom plate in a basement finishing project. What should I use to seperate the wood from the concrete? What are ways to secure the bottom plate to the ...
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2answers
9k views

Is it possible to paint concrete pavers

I have a large paved area that I would like to replace with lawn. My plan is to use some of the pavers as a border. They're plain concrete pavers (450x450mm) that look like this except about 20 years ...
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2answers
1k views

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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2answers
4k views

Is it safe to drill small holes in load-bearing concrete beams for expansion bolts?

It seems to be very common to drill small holes in any kind of structural concrete for mounting fixtures without worrying too much about any kind of reduction in strength of the structure, but I ...