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Questions tagged [cement]

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Which subcontractor installs 2" foam board at footings and on poured walls?

Please, which sub installs the 2" foam board (northern climate) on footings and the poured concrete basement walls? excavator, or cement contractor, insulation contractor or ? Hubby and I are ...
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1answer
1k views

Matching Concrete to Tile Floor Height (1")

We have a tiled dining room that transitions to carpet (carpet and pad on cement foundation slab). We'd like to tear out the carpet and level the concrete slab up to the tile flooring, about 3/4 - 1" ...
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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 ...
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1answer
433 views

Insulating the concrete attic with rockwool slabs

I want to insulate the attic with rockwool slabs in an unusual way. My house is old and we may have to rebuilt a new house in next 5 years, so I do not want to spend a lot of money on this. Attic / ...
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2answers
2k views

This hole in a concrete porch needs fixing

I might buy this house and have never lived there. The porch has an big air space of maybe 4 feet underneath the slab. Some of the rebar at the bottom edge of the slab is visible when peering in. The ...
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22 views

How do I know what the cement or stucco finish on my house is?

Just purchased a house (first time homeowner) and I'm realizing there is of course a lot I don't know about it. I'm trying to hang a mailbox on what I think is a stucco wall, but apparently there are ...
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1answer
52 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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2answers
38 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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20 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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1answer
77 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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30 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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84 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 ...
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503 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 ...
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38 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 ...
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41 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.
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1answer
1k views

How to seal up decay around bilco doors?

I have a bilco door to my basement. It's pretty old, some of the cement around the base has started to decay, and there are some holes in the door itself (just the way it was made?). I'm going to ...
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1k views

Why is my concrete soft and crumbly after more than 14 hours?

So I'm trying to create a concrete pencil holder but the last few times I've tried, the cement has not dried and comes out really crumbly and is soft and damp and dusty, even after curing all night. I'...
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848 views

How to measure the ratio of a sand cement water mix for countertops

I want to cast a concrete Countertop and I created several test batches. I am confused by what I read and need some double checking. I use a mixture of 1 Part Cement 2 Part Sand and 0.4 Part Water ...
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86 views

Hanging bed from cement ceiling

I saw a thread on here that kind of discussed this, but I am trying to hang a queen platform bed from a cement ceiling in a Loft apartment model. It will not be used, just more decoration, although ...
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2answers
948 views

Raising and extending a concrete shed base, does the existing concrete need to be broken up?

I have an existing concrete shed base which is a bit cracked (due to a nearby tree) but generally OK. I'm planning to replace my 10x6 shed with a 10x14 one which will mean extending the concrete base. ...
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1answer
80 views

Whats size concrete aggregate

Not sure on what size stone/gravel i should use, 10 mm or 20 mm in my cement mix 1 cement + 2 sharp sand + 3 gravel (10mm or 20mm) ? I need to fill 4 gully's in an internal concrete floor, each about ...
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3answers
9k views

How to do I calculate how much sand and cement needed for bedding mortar

I need to make some bedding mortar for laying coping stones on a brick wall Ive calculated the volume of mortar needed 12m x 0.41m x 0.03m = 0.1476 m3 I buy cement and sand in 25 kg bags and would ...
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2answers
106 views

How do I start making cement on my own?

I want to make my own cement because its the most costly one for building house. How do I approach for making my own cement?
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2answers
650 views

What type of cement is used to repair foundations?

We're in the process of remodeling our kitchen and we just pulled up the tiles. We found a few spots where there are large gouges or holes if you will, in the foundation. I'm guessing they were there ...