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Questions tagged [mortar]

Mortar is used between bricks, cinder blocks, or stone to bind them and fill any gaps. It is made from sand, a binding agent (cement or lime), and water.

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How to restore my tile pavement?

In my backyard there's a tile-paved area and there's a line where it goes from one level to another level: https://imgur.com/a/ZYN5Xfy The problem is, a lot of tiles on that edge are not held in place ...
nightcoder's user avatar
1 vote
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Interior chimney stone veneer mortar cleanup

I have an exterior brick chimney that has had water infiltration. Hopefully that has been fixed. Water would work it's way down inside, and they hit the interior stone veneer system, and come out ...
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Should I DIY tuckpoint this?

I have have some crumbling bricks on the sides of the steps leading towards front door. Do you think I should be able to repair this myself with type n mortar? If you think I will need tool rental to ...
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2 votes
2 answers
112 views

How to block an inaccessible hole in a masonry wall?

I have vermin getting in, we believe through a hole gnawed in the mortar between an old brick wall and a newer blockwork wall. Ordinarily it would just be a matter of sealing up that at the exterior, ...
slim's user avatar
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2 answers
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How can I test or decide if I need historical mortar to tuckpoint 100 year old bricks under brownstone steps?

Is there a way to test or validate whether I need to buy more expensive historical mortar or can use something that is commercially available off the shelf from a big box store? Can I scratch the ...
MonkeyBonkey's user avatar
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1 answer
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Is this mortar or concrete subfloor under my bathroom tile?

I am redoing my second floor bathroom because of a leak under the tub which over many years has caused a leak downstairs. I thought it would be easy changing a rotten wooden subfloor… But when i ...
Matt's user avatar
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1 answer
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How can I prepare concrete walls with tile mortar for new tile?

I plan on removing the tub and change the window in in my bathroom. The tiles started falling off this 23 year old house, so I removed the remaining ones. I tried to remove the mortar, but it is on ...
Rick's user avatar
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1 answer
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Do I still need mortar under this drop-in tub?

I managed putting it in and all the wood frame. Now I'm feeling a bit lazy for the mortar works under the tub. Also this tub comes with support at its bottom and I saw online for similar tubs, mortar ...
user917099's user avatar
5 votes
2 answers
2k views

Plumber set my bathtub on top of Great Stuff foam. Do I need to pull the tub?

My floor was about 1/16” off level so the plumber said he couldn’t set the tub into a mortar bed. The tub is acrylic. He sprayed a can on great stuff foam on the subfloor then set the tub on top of ...
Niko's user avatar
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2 votes
3 answers
238 views

Which concrete product should I use to repair this deep but narrow hole in my basement floor?

The previous owners of my house had the laundry machine drain running into the storm sewer, through a rough hole cut into the concrete floor (pictured). The pipe at the bottom of the hole runs out to ...
nathanvy's user avatar
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1 answer
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Is this thick mortar? Can i patch it and tile over it?

This was what was under the tile in my bathroom. Probably from the 50s. I think it is thick mortar? It is crumbly in places. I don't want to demo the entire thing, I'd have to hire someone to do it. ...
Sarah's user avatar
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2 answers
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What's the best way to tile over brick?

I'm replacing an old brick hearth with tile, and wondering the best way to approach this. I've removed most of the brick except for a 48x60" area, and will be using 12x24" tiles. My plan is ...
gregmac's user avatar
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What is the correct tuck pointing mortar ratio for a 1907, St louis brick main support column in basement. Lime? Portland? Sand? Water? [duplicate]

The owner believes the bricks are softer bricks due to the age of the house. All the research i have done say's after 1900 most houses in this area used Portland cement, lime, and a sand mix. I just ...
Josh's user avatar
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2 votes
5 answers
294 views

How can I repair this screw anchored into mortar?

We bought a home where the handrail for the entry steps was screwed into an anchor in the facade mortar. The anchor has pulled away and left a pretty big hole at the joint: The front of the handrail ...
James B's user avatar
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1 vote
2 answers
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Can I hang a hammock from a anchor in mortar?

Can I hang a hammock from mortar? I have a hammock that I’m wanting to put up in my back yard. The only way I can achieve this is by using the brick wall and my wooden fence post. The anchor point I ...
Luke Spady's user avatar
8 votes
2 answers
1k views

How much air under tile is acceptable?

We hired a contractor to do redo our tile. One had to be replaced because it caved inward when a tool was dropped on it. We peeked under the adjacent tiles and there are giant areas without mortar. ...
kliqqer's user avatar
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Can I hang shelves on a brick wall from the mortar, not the brick? [duplicate]

We're renting a house with exposed brick walls inside, and would like to put up some shelves. The landlord doesn't want us drilling into the brick itself, but he's fine with us drilling into the ...
completehoax's user avatar
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1 answer
181 views

Should I Save My Mortar Bed? [closed]

I am in the process of ripping up my tile floor for a guest bathroom remodel. I discovered that my floor tile was installed on top of an old school mortar bed. Huge chunks of mortar have pulled away ...
Theo's user avatar
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-1 votes
1 answer
335 views

Filling in holes between brick wall and interior window frame

So my partner and I are working to restore an old interior brick wall (about 100 years old). We have stripped off the plaster and cleared out all the loose, crumbling mortar in some sections of the ...
Laura B's user avatar
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2 answers
329 views

Curtain rod ripped off wall

My curtain rod got ripped off the wall. I'm not a diy person so not sure what is behind the plaster but I guess thats what needs to be sorted. It's not a drywall as there is no cavity behind it. The ...
kapilgohil's user avatar
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1 answer
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Will a mortar made of hydrated lime and sharp sand adhere to a fully cured portland cement substrate?

Will a mortar made of hydrated lime and sharp sand (no portland in the mix) adhere to a fully cured portland cement substrate subject to freezing temperatures in winter? Context is bedding sandstone ...
mr blint's user avatar
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0 answers
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Re-fitting bathroom tiles - what goes behind it?

I have an issue in my bathroom. We have a window, the inside sill of which is tiled. Some of the grout around our tiles here was perished, but when beginning a re-grout, I noticed the tile was loose. ...
Daniel Davies's user avatar
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1 answer
236 views

Can I apply mortar over a bumpy, gritty texture plaster wall?

The house I live in is quite old and the renovations made ~ 15 years ago by the previous owners are of extremely(!) poor quality. It's like the people who plastered it did it with their toes. In some ...
M. B.'s user avatar
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3 answers
5k views

How do I deal with remaining mortar after removing tiles?

We're trying to reno our master bathroom, which includes the removal of existing ceramic floor tiles. Per a handy youtube video explaining how to remove them, I purchased a spiffy tool from Amazon ...
Nicholas's user avatar
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2 answers
108 views

Bathroom shower remodel old mortar stuck to concrete walls

I have removed the old tile in my shower to install new tile. The mortar is stuck on and very hard to remove. Can I smooth it out with joint compound and make a smooth as possible surface and tile ...
Jet's user avatar
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0 votes
1 answer
464 views

What type of mortar and trowel size be used for stacked stone around gas fireplace?

Specifically, I'm installing Rockmount Stacked Stone from MSI around a gas fireplace. Using 1/2" cement board as my backer. https://www.msisurfaces.com/stacked-stone/silver-travertine/ I've ...
EMAW2008's user avatar
  • 387
1 vote
1 answer
165 views

Mortar washout on brick

Moved into a home and looks as if when the retaining wall was installed they allowed the mortar to washout and stain the bricks. What we are left with is a very ugly street facing wall. Not great for ...
user169735's user avatar
3 votes
2 answers
395 views

What is the North American term for sand used in making mortar for laying a sandstone patio?

I've been watching Brits prepare and lay patio stone on Youtube, and have been reading blogs by Brits. They recommend using "sharp sand" to make the mortar for laying sandstone rectangles. ...
mr blint's user avatar
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0 answers
24 views

Best way to repoint a patio with strong mortar?

In our previous home, we had a patio laid in two sections. The first time, the workmen carefully filled the gaps with pre-mixed mortar. The second time, a different workman brushed dry mortar into the ...
Bob Tway's user avatar
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1 vote
1 answer
116 views

Best solution for cutting out mortar bedding?

I have been putting down porcelain tiles and I noticed one was slighly loose so I manageed to lift it up so that I can put new mortar down, slurry on the tile and place it back down. Question is what ...
ORStudios's user avatar
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0 votes
1 answer
3k views

Applying mortar to cinder block foundation to repair surface damage

I have a cinder block foundation, and near the floor in my garage the parging has flaked off excessively, revealing cinder blocks with a poor surface. My thought is to clean off any remaining parging ...
Matthew's user avatar
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0 answers
104 views

Is it safe to parge historic interior brick basement wall with hydrulic cement at grade?

I have a historic house from 1906 with soft bricks that had water leaking through top of basement wall near ground/grade level. Opening up the basement ceiling I can see that the mortar is all gone, ...
MonkeyBonkey's user avatar
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0 votes
1 answer
68 views

Water seeping through mortar in an old wall

I live in a 150-year-old building. The exterior walls are very thick brick (2 layers deep). My apartment's exterior wall has some of this brick exposed (bottom half covered by dry wall, top half is ...
Roddy of the Frozen Peas's user avatar
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1 answer
1k views

Filling mortar cracks with caulking instead of tuckpointing

I would like to paint some brick walls so I need to fix some cracks in mortar. For bigger cracks, I removed the old mortar and tuckpointed but that is a painful, dusty and time consuming job. If I ...
amphibient's user avatar
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0 votes
1 answer
320 views

Using adhesive to attach Durock to subfloor?

Durock's official installation guide says that using adhesive with a 5/8" v-notched trowel is a possible means of laminating the board to the subfloor: However I'm not certain which adhesive to ...
cam.b's user avatar
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2 votes
1 answer
7k views

How should cement board interface with a shower pan?

I will be building up a shower pan using the Oatey Perfect Slope pre-slope system, a 40 mil liner. and then building up a dry pack mortar bed on top of the liner. My question is what is the best ...
5000fingers's user avatar
0 votes
0 answers
39 views

Side garage door leak - voids in mortar - threshold problem?

I had an awful experience in having my home built a few years ago. I already had a window leak that ruined my floors in the living room after finding a cracked window seal that was “repaired” with ...
SweetHomeAL2222's user avatar
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0 answers
56 views

Will mortar applied to my house in 29°F weather last?

My house siding was damaged from several hail storms and instead of tearing it off because it was full sheet TX43 siding in still somewhat decent condition it was more sensible to wrap over it and use ...
Brian Reuber's user avatar
2 votes
2 answers
246 views

How to set a sole plate on a bumpy basement floor

I need to build a wall on a basement floor. The wall will need to support significant weight so I want it to be solid. The sole plate will be secured with concrete screws. The floor is a slab; it ...
aquaticapetheory's user avatar
0 votes
3 answers
101 views

Is there any way to check if the mortar used in a fireplace is regular or high-temperature?

A technician suggested we seal our firebox with high-temperature mortar since allegedly the existing mortar used around the bricks in the firebox is regular mortar (according to him a crack already ...
l t's user avatar
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3 votes
2 answers
70 views

What kind of mortar is suitable for cut surfaces of old concrete

We're going to cut up and remove a slab. I figured I might as well (attempt to) cut it into rectangles and use it for landscaping. If I wanted to mortar them together like bricks, what should I use? ...
gunfulker's user avatar
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3 votes
1 answer
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pointing dry stacked fieldstone foundation? [duplicate]

hoping I can get some advice on this. We have a c. 1876 house in CT that has a half brick (above grade, mostly), half fieldstone (below grade) foundation. We are planning on repointing it, using lime ...
catheetiem's user avatar
2 votes
1 answer
148 views

Can I retuckpoint my chimney or will it have to be rebuilt?

Can I retuckpoint my chimney or will it have to be rebuilt? The bricks seem solid, but the mortar is in rough shape. Thanks.
user3080392's user avatar
0 votes
2 answers
160 views

remove mortar + cement board? or self level ontop? Bathroom Floor

I have some mortar on a cement board on my bathroom floor it seems. I want to put luxury vinyl over this. Is my best bet removing the mortar + cement board and then redoing that process? or using some ...
excelguy's user avatar
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4 votes
1 answer
988 views

Raising a thinner tile to be level with a thicker tile

I set all my tiles on the bathroom floor not realizing how much the thinset mortar would add to the height of the floor. I have a curbless shower and the tile I chose for the shower floor is half the ...
Shawn Brodoski's user avatar
0 votes
1 answer
252 views

What kind of mortar do I need to use?

I am going to begin some repairs to the brick foundation walls of my 1890s farm house. Mostly it will be tuck-pointing where mortar has crumbled out, but some of it will be replacing some bricks that ...
FreeMan's user avatar
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5 votes
3 answers
5k views

How do I avoid this white residue around brick after my first attempt at mortar repointing?

Whole house needs to be repointing so I tried in an inconspicuous area to practice. This white residue appeared and won't come off with a wet sponge. I'm using Spec Mix tuckpointing mortar type O. ...
APP's user avatar
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2 votes
3 answers
6k views

Which thinset mortar do I choose

I have painted redgard on the shower walls and I am ready to tile. Which thinset mortar do I use over the redgard? I am using 12x24 tiles on 1 wall and 4x12 on the other 2. I am using ceramic tiles.
Victoria's user avatar
0 votes
1 answer
122 views

How can I fill the empty space behind a bug screen installed on these stone arches?

I want to install bug screens in the open stone arches of my sunroom. I have flexible screen retainers ready to replace the wood that the previous owner roughly installed for the same purpose. The ...
ifelsewhere's user avatar
0 votes
1 answer
278 views

What should I use to repair this small crack between window and stone? Is this caulk?

I’m a new homeowner and just noticed this small opening next to my upstairs window between stone and window. Is this caulk that’s used there or mortar? Any recommendations on how I should go about ...
Carl's user avatar
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