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Results tagged with mortar
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user 92223
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.
1
vote
Can I hang a hammock from a anchor in mortar?
The 5/16" screw hook will be inadequate. See this analogous eyebolt with a working load limit of 100 pounds, where the safety factor of 4 implies a 400 pound ultimate strength.
Assuming that your rope …
- 10.6k
2
votes
What's the best way to tile over brick?
LFT mortar requires a 1/2" thickness or less. Assuming that you use a 1/2" square notch trowel, the square notch displaces 50% of the mortar with its low spots. … When you collapse the ridges of this mortar during installation, then, the 1/2" ridges should collapse to a uniform thickness of 1/4". …
- 10.6k
3
votes
Accepted
How can I test or decide if I need historical mortar to tuckpoint 100 year old bricks under ...
ASTM C1713 promises an "annex" with historical mortar specs for US manufacturers at some point, but as far as I know this promise remains unfulfilled. …
- 10.6k
8
votes
How much air under tile is acceptable?
The relevant part from the TCNA Handbook:
Mortar Coverage for Ceramic Tile
Average contact area for dry areas is 80% and for wet areas is 95%. … Mortar Coverage for Natural Stone Tile
Mortar coverage must be sufficient to prevent cracks in the stone resulting from voids in the setting bed. …
- 10.6k
1
vote
How can I repair this screw anchored into mortar?
Sleeve anchors and long lag shields are mechanical fasteners that are specifically designed for grabbing in soft spots like that.
Epoxy will work as long as the brick at the back of the holes is still …
- 10.6k
0
votes
Which concrete product should I use to repair this deep but narrow hole in my basement floor?
Use concrete. Assuming it runs down the horizontal line an extra 5 inches beyond the 9 inches of vertical line, I compute a volume of 0.1 ft³. That's about 1/4 of a 60 pound bag.
If you don't have any …
- 10.6k