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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Messy mortar on brick looking ceramic tile floor

I laid a brick looking ceramic tile on the floor. I was think g about doing a messy mortar look to it. Am I able to use mortar as grout to achieve this? I was to smear it kind of everywhere and wipe ...
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Cinder block retaining wall repair

I inherited an old retaining wall (from the 1980s? repaired once or twice here and there): It has a few cracks and the mortar has gone bad so I'd like to repair it. So I removed the cinder caps, ...
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How can I match existing mortar?

I'm trying to find a good sand that matches the mortar that I have in our house right now. I live in Chicago. The house is 30+ years old and as I look at the existing mortar, I see that it has large ...
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How do I level a summerhouse concrete base that dips in the middle?

I laid a 4x3 metre concrete base for my summerhouse/office thing. The corners are all level and so the summerhouse sits fine, but it dips in between and so the load bearing battens aren't taking any ...
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Is it worthwhile to fill minor cracks and holes in mortar?

There are a number of small cracks and holes in the exterior on my 10-year-old brick house. These are very small and do not in any way appear structural. They are much much smaller than the weep holes,...
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What sand is best for thin-set mortar?

I understand that unmodified thin-set mortar is typically 25-35% portland with most of the balance being a fine sand. If I wanted to make my own where could I obtain this fine sand? What is it ...
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What is a suitable mortar when repointing a wall made of soft red brick?

I am about to re-point the front of my Victorian (1895) house which has soft red bricks. Is a 4:1 ratio of sand to cement suitable? I have read that cement can force the moisture though the bricks ...
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Will I have any issues installing an in-floor heating mat with premix mortar?

I installed a radiant floor heating mat under ceramic tiles using a premix mortar. I now understand this was not the right thing to do. After further research the only reason I can find that suggests ...
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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 ...
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What type of bedding mortar/concrete for driveway entrance

I am currently updating to a new gravel driveway for our house, and all the kerb edgings are now in. I need to add 2 rows of small square edging stones at the drive entrance. As these will be ...
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Water on basement floor and attempting to fix with mortar?

I have waterproofed my basement completely for three sides (digging and using membrane and installing weeping tile), but for the remaining side which is a sidewalk, it would be too expensive to bust ...
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Kitchen backsplash tile (24“ x 1.5” x 1/2") to drywall; which mortar & trowel notch size?

I will be installing kitchen backsplash tile to a drywall. tile size: 24" width x 1.5" height x 1/2" depth tile type: limestone tile Which mortar or mastic would you recommend as well as trowel ...
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Portland tile mortar being used as a final coating over hb

I am building an outdoor propane fire table. I have constructed a steel frame and covered it with hb. I wanted a modern look so i was going to coat the hb with concrete. I was told not to use cement ...
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How can I install Kerdi over an existing shower pan?

I started out building a shower pan in the traditional method (plastic liner), but, bailed after having difficulties with the shower curb. I have built the first layer of mortar that goes under the ...
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204 views

What maintenance does an 1890s brick-over-fieldstone foundation need?

I know that if when it comes time to repoint, I should get the current mortar analyzed to make sure its curing strength is compatible with the old bricks. I know that brick foundations in the time ...
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What would cause mortar to have a patchy finish?

I started a re-pointing project in my basement, but it was way more work than I had anticipated, so I haven't continued in about six months. However, now that i'm looking at mortar I originally ...