Questions tagged [cement]

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3answers
95 views

Can you “refresh” half-dried concrete just by mixing in water?

I mixed a wheelbarrow load of concrete (sand, cement, water) this morning, but before I could use most of it, I got called away and didn't get back until this evening, like 7-8 hours later. By now the ...
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1answer
146 views

How to smooth cement trim/moulding on pillars?

I'm getting my house painted and have about 20 decorative concrete pillars with cement trim/moulding (see pics below). The first contractor turned out to be a rookie and basically slathered paint on ...
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2answers
182 views

replumb leaning post

6 ft tall 4x4 PT post out of plumb by 1-3/8". Excellent condition. Years old. Set in cement. Rock solid in part because tree roots have encased the cement. Tree too valuable to risk damaging roots by ...
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2answers
45 views

Using just cement to plug a narrow channel/hole

I know that ideal thing is to use concrete, a mix of cement and aggregate (usually sand and gravel/rocks. However I have a bag of cement that's not going to go to any use, and my aim is just to cover ...
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1answer
50 views

Materials for building inexpensive light-weight large planter?

I've wanted to build a few large planters for a while now, and I've considered using concrete, wood, etc. I don't know what other cheap material to use. Initially, I wanted to make them out of pre-...
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1answer
30 views

epoxy grout in contact with regular sanded cement grout

We don't have a floor threshold between the bathroom floor and the corridor. is it a bad idea to grout the bathroom floor with epoxy grout and the rest regular grout? what happens if the epoxy grout ...
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2answers
79 views

Material lighter than concrete for planters?

I'm trying to build several 24"x 24" square planters with each wall 1.5" thick, similar to the following picture. The issue is that each one of these planters will weigh at least 200 pounds (without ...
0
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1answer
35 views

Do these plastic molds exist?

I want to make a few concrete pavers, so I started looking for a few tutorials, and found this youtube video. In the tutorial, he uses a plastic mold where he pours the concrete. Something like this: ...
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2answers
27 views

Thinnest screed over the water heating floor

I installed a water heating floor system with 17 mm pipes and studded panels. This is how a studded panel with a pipe looks like: It has 52 mm height (the polystyrene has 30 mm). Now I want to add ...
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2answers
59 views

Lard as release agent?

So I’m learning how to make concrete pavers with this youtube video. He mentions that he uses lard as a release agent, so he brushes that into the mold. He also suggests cooking oil or motor oil for ...
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1answer
1k views

The best way to secure utility sink legs to concrete floor

I have a utility sink with metal legs which was never anchored when installed and would like to anchor it to the cement floor. Don't want to go to the expense of using Tapcon screws. Thanks for your ...
0
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1answer
57 views

How to fix if cement board in shower is not flush with the shower pan and also about an inch gap

so the cement board and tub flange are not flush the flange sticks out a quarter to half inch on shower wall and at least an inch above it
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3answers
161 views

Method for setting 6' wood fence posts in clay soil

Background Currently in the process if planning/designing a privacy fence after recently removing the old posts from the ground. I'm now at a point that you might call analysis paralysis involving ...
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1answer
52 views

Installing tile on screened porch

We have screened porch that currently has outdoor carpet on the floor. We want to get rid of the carpet and maybe tile the porch. There is standard decking under the carpet. I have been told by both ...
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2answers
141 views

Is there any way to remove hydraulic cement from a concrete slab without ruining the concrete?

So the previous owners of my house put hydraulic cement along the edges of the wall in the garage and it looks pretty ugly. Is there any way to remove it? I've seen these Portland Cement dissolving ...
1
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1answer
59 views

Which cement or mortar will give best result when creating low water diversion barriers?

I want to build up a short dam of maybe half an inch in height, to control where water is flowing. The water flows as a small, steady trickle. Right now it fans across a large-ish area. I'd like to ...
0
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1answer
47 views

Plywood vs cement board for shower alcove

I'm building a tile shower, have the pan set and most of the cement board up. I've come up to the height where the shower alcove (or niche) will go. General searches have shown most people cutting ...
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2answers
39 views

How to patch small holes in concrete slab basement floor?

I am preparing to install luxury vinyl plank (LVP) in my basement (specifically CoreTec Pro). The subfloor is just concrete slab. Previously this room had carpet with tack strips nailed to the ...
2
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2answers
148 views

Removing pole and concrete base from yard

I debated between putting this question here or on SE Gardening and Landscape, but I think this question will be a better fit for this site... Let me know if I need to move it. So I'm now leading ...
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0answers
19 views

Sealant around flue liner

As you can see some mortar has chipped away/fallen off from where the flue liner for our boiler meets the basement wall. Need to re-patch this - is it a straightforward sand and cement mix to be used ...
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3answers
34 views

1/4" Hardibacker cement fiber board for shower walls

I'm preparing to lay tile in my new bathroom and I picked up the cement board but when I got home I realized I bought quarter inch instead of half inch thick sheets. The Hardibacker website says that ...
0
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2answers
2k views

How to attach wall on top of french drain in basement?

I am in the process of finishing my basement and had an interior french drain system installed. I now want to start putting walls up but am unsure how to attach them on top of the french drain. I ...
1
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1answer
101 views

Will using Redgard over a cement shower pan cause a mold sandwich if there are weep holes underneath?

I recently installed a cement shower pan but I had to use two pvc shower pan liners because of the size of the shower. I used the specified pvc cement to "weld" the two liners together at the seam. ...
0
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1answer
54 views

Cement pool overhang patch or replace

I have a pool with an overhanging cement edge that crumbled away. I have one contractor that said we should replace it and another that said we should just patch it. Here are some pictures of it. ...
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1answer
47 views

Fixing void on face of concrete steps

My front steps are crumbling on the top. I wondered what I could do to fix this? Thanks in advance all!
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1answer
46 views

Patch hole in cement slab when ground below is excavated

I removed a shower stall and there was a hole for the plumbing as expected but once I got a good look the entire area below the cement slab is open. I want to fill the whole as the bathroom is being ...
1
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0answers
74 views

Capping a toilet where flange is in cement

I have a couple of questions with the project I am working on. A little background. We currently had a bathroom right when you walked in from the garage. We never use it. Builder of house put it ...
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0answers
29 views

grinding down garage floor

I have to grind down my garage floor. Can I use a hand held grinder with a diamond blade? I saw a grinder for $80.00, 11 amps 4 1/2, I think might work. I don't know where to rent one.
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2answers
36 views

Need cement etching on inside floor?

I have a cement slab that had a plastic film and then pergo flooring. Removing this floor. Right now, I just want to seal cement and epoxy paint once I get all pergo removed. First, since I am only ...
1
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1answer
139 views

Medium-term repair for spalled foundation with exposed mudsill

I have an old house (built in 1946) near the ocean. The foundation in the back has spalled off, exposing the mudsill in some places. The worst spalling is 4" deep - you can see the mudsill and a few ...
6
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5answers
21k views

Is mortar waterproof?

I was advised by a professional that mortar is waterproof, however sources online are telling me that it's not. So is mortar waterproof or not? Does waterproofness vary by mortar classification (e.g. ...
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1answer
27 views

how to level out basement cement crack

I plan on laying some vinyl planks onto cement but there are some cracks from leveling in the cement and with the new flooring you can "feel" where the cement barely sticks up at the crack. Wasn't a ...
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1answer
185 views

What are options for finishing cement block walls?

Our basement and foundation is cement blocks. What are my options for finishing the walls? I can't put drywall directly on the wall correct? Would i have to fur out the wall? Its a cabin, so is wood ...
1
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1answer
100 views

Is this retaining wall failing? [closed]

The picture below shows a retaining wall. It was hard to take a picture from a good angle, but it looks to me like the wall is showing a "belly" and the seams are opening up. But I'm not sure: perhaps ...
0
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1answer
553 views

Cement Recommendations for Fence Posts

I am planning to event a fence this summer and, given the size of ~ 250 linear feet, am looking for the cheapest option for cementing the poles. I am considering the use of metal Postmaster (...
0
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0answers
56 views

How to remove tile with mesh embedded in cement bed?

I am doing a bathroom remodel on a late '60s house. The bathroom tile is set on a roughly 1.5" cement bed with embedded wire mesh. I have removed a small portion with a rotary hammer with a pointed ...
1
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1answer
1k views

What mortar mix for flaunching on chimney stack?

What mix and sand\cement ratio's should I use for replacing a chimney stack flaunching? I've seen suggestions to add some sharp sand to the building sand, and other suggestions to add lime or ...
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0answers
23 views

Basement has crack over a drain run no water leaking

I'm trying to figure out how concerned to be. Most of the basement has slate tile, but I tore out a kitchen, and discovered this crack running from the nearest wall, to the sink drain, and on across ...
0
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1answer
146 views

Gravel and Cement Use for Chain Link Fence

I've seen different recommendations online so I'm looking for some clarification. I'm building a 4' tall chain link fence. 1) Do the terminal and line posts need 4" of base gravel in the post holes? ...
0
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1answer
864 views

How high can I pour cement against my house

How high can I pour cement patio against my brick house? I want to go as high as I can without causing other problems.
0
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0answers
429 views

concrete: remove chalk line stain and clean concrete residue

I hired a cut rate concrete contractor to redo my driveway because all the bigger firms were too busy. He did a decent job, but he did a couple things that I now need to fix since the chances of ...
1
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1answer
1k views

Can I use EP 80W/90 oil instead of EP90 oil in a Belle MiniMix 150 gearbox?

I have a Belle MiniMix 150 110V Electric Cement Mixer the documentation says to use a EP90 oil, but these days it seems that most outlets only sells EP80/90 oil. What is the difference and doe sit ...
1
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1answer
71 views

Recommended paint for outdoor cement patio

In my back garden, I have a small cement pad. It used to have a shed on it, but the previous owner took it with them when they left. I've decided to turn it into a sort of patio, which is working well....
2
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3answers
40k views

How long and how often should I water my concrete?

I have just applied cement on some stone joints, and I was wondering for how long should I pour water on it? How frequently should I apply water? Is it twice a day, or thrice a day? I really need to ...
1
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2answers
98 views

Is lime based mortar weatherproof?

I recently did some outside brick wall patching and tuckpointing. Since the old mortar was whitish, I didn't use the gray ready mix from the Home Depot but I mixed my own, the same what I used for my ...
0
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0answers
34 views

What type of paint do you use for a concrete retaining wall to work with hydrostatic pressure?

I know we are not supposed to recommend brands because it is against the rules. But I am trying to paint some outdoor cement stairs that tie into a retaining wall that is roughly 4ft tall to as high ...
28
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7answers
22k views

Pouring concrete, is it safe to add large rocks to increase volume?

Backround I'm going to pour some concrete to anchor a swing set. The base of the swing set that is being anchored is two 4x4s with a 2x4 footer crossed perpendicularly to the 4x4s. I have a bunch of ...
2
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2answers
856 views

I want to mix old latex paint with ready concrete mix or cat litter to make pavers. [closed]

I want to mix latex paint with ready mix concrete or cat litter to make pavers. Trying to find a way of using approx 200 gallons of old paint since I can't dispose it. Also trying to come up with ...
1
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2answers
135 views

Can I use eye hooks in a cement retaining wall for my garden project? (Support climbing rose bushes against a cement wall.)

Here is a pic of the wall in question. Don't worry about the cracks. I already filled it in and am going to do the stairs when the weather gets drier outside. If you see the strip of soil that ...
0
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0answers
37 views

moisture barrier for an indoor swimming pool

What is the proper way to install wall boards with a water barrier? I am concerned about moisture escaping into walls. I'm istalling an indoor swimming pool and am concerned about moisture.