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36 votes
Accepted

Masonry bits dulling after 3-4 holes

The hammering action of the drill isn't activating So the bit is overheating due to friction. It is supposed to hammer the material you're drilling into dust then evacuate it, not rub it off through ...
bobflux's user avatar
  • 9,168
31 votes
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What bit should I use to drill a two inch hole in a solid concrete wall?

Hire a core driller. Trust me and do it. You will regret doing this yourself and the cost will seem like nothing in comparison to your struggles with drilling a hole that size in solid concrete. ...
T Taylor's user avatar
  • 364
18 votes

Can I build a concrete block wall over floor tile?

The tile floor shouldn't be a structural weakness, but if it's glazed you won't get a good mortar bond. I'd install anchor bolts every 32" or so, aligned with block cores, and fill those cores with ...
isherwood's user avatar
  • 135k
15 votes

What bit should I use to drill a two inch hole in a solid concrete wall?

Use a diamond core drill to get a nice clean hole. If you use a hammer drill and carbide drill bit the concrete on the opposite side is going to splay and look like like a beaver was chewing on the ...
user1946891's user avatar
14 votes

Is it reasonable to do masonry veneer work when the temperature is 30-40°F?

You know what's more expensive than doing it right? Doing it wrong once and then doing it right. Yes, mortar, concrete, stucco, etc all have specific cure times and temperatures for maximum strength. ...
MonkeyZeus's user avatar
  • 16.5k
13 votes
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Mounting TV on a weird wall that has some material between the drywall and stud

Trying to mount an articulating arm that is designed to mount to a single stud will not stand up mounted to that type of wall construction. Even with long lag bolts there is just too much chance that ...
Michael Karas's user avatar
  • 64.3k
12 votes

Should I try to open filled brick weep holes?

Weep holes: No structure is 100% waterproof, and weep holes allow both water and moist air to escape the structure, so that it doesn't start going mouldy or rotting (which would cause problems over ...
MiG's user avatar
  • 2,370
8 votes

Can I build a concrete block wall over floor tile?

NO, NO, NO, never install concrete block on tile. You don’t say what kind of tile is installed on your concrete slab, but it doesn’t matter if it’s “ceramic tile” or “terra-cotta tile” or “porcelain ...
Lee Sam's user avatar
  • 23.2k
8 votes
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Identify strange wall fixing

I believe that is called a spring pin anchor or express nail To remove it, I'd try these: or any nail puller. Spraying some Liquid Wrench or other light lubricant might make it easier to pull ...
batsplatsterson's user avatar
8 votes

Is there some sort of formula to determine how many bricks I would need to build a completely new structure?

A standard brick is 8" x 2.25" x 3.5". Ignore the 3.5" as that's how thick the wall will be. 8" * 2.25" is 18 sq. in. A square foot is 144 sq. in. (12 * 12). 144 sq. in. divided by 18 sq. in. is 8....
Brythan's user avatar
  • 211
8 votes

What bit should I use to drill a two inch hole in a solid concrete wall?

For a bore hole that large, your best bet is a water-cooled diamond bore. There are many rental centers that can rent you the tool and the bore.
Machavity's user avatar
  • 24.7k
8 votes

Masonry bits dulling after 3-4 holes

An SDS-plus hammer drill will make holes very fast using a bit that starts hardly sharp and rapidly becomes completely dull. It really doesn't care, because it's a pneumatic hammer action and the ...
nigel222's user avatar
  • 778
8 votes

Masonry bits dulling after 3-4 holes

The hammering action of the drill linked in the picture doesn't really need anything more than turning the dial to the hammer setting - it doesn't selectively "activate." It should be pretty ...
batsplatsterson's user avatar
7 votes
Accepted

SDS drills with advertised chuck sizes

Looking at the Milwaukee web site the chuck capacity refers to the largest solid bit (hole diameter) the drill is capable of drilling. They are referring to using a solid bit not a hole saw. If you ...
mikes's user avatar
  • 11.3k
7 votes

What bit should I use to drill a two inch hole in a solid concrete wall?

I did this once. All of the previous answers are valid, but if you're trying to do this through an 8" or thinner concrete wall "on the cheap", don't mind investing a significant chunk of time, and ...
Timerider's user avatar
6 votes

How much water for mixing with concrete?

Concrete is strongest when the mix is as dry as possible, and weaker when the mix is wetter. A highly liquid mix is therefore almost always a bad idea. This is well understood/documented/tested in ...
Ecnerwal's user avatar
  • 211k
6 votes

Masonry bits dulling after 3-4 holes

Make sure you have not accidentally set the drill in reverse mode. When the bit rotates the wrong way it causes the bit to heat up and wear out. Something similar to this happened to a friend and to ...
UmH's user avatar
  • 642
6 votes

Is my electric impact drill useless?

If you're not drilling, stop drilling Anytime your drill isn't actually moving forward progress, immediately stop and troubleshoot why not. *Doing anything else is just destroying equipment for no ...
Harper - Reinstate Monica's user avatar
6 votes

When replacing front and side concrete steps, is it common to leave some of concrete steps to pour the new concrete over? Use old concrete as fill?

Using old steps as a base will not only save you $$$ but the concrete is better than rock or dirt fill so it is much better and as I mentioned it will save$$$
Ed Beal's user avatar
  • 103k
6 votes

What size scaffolding wooden planks should I use

I simply don't like using single planks for scaffolding. If they aren't carefully selected, a flaw can result in a quick, unpleasant ride through the atmosphere. They also tend to be very bouncy, ...
isherwood's user avatar
  • 135k
5 votes

How many holes can a masonry drill bit make?

I can't give an exhaustive scientific answer, but I have plenty of hammerdrilling experience, both with SDS bits and smooth shank bits. I have a Bosch Bulldog and seeing that you'll be drilling for ...
Daniel's user avatar
  • 276
5 votes

When replacing front and side concrete steps, is it common to leave some of concrete steps to pour the new concrete over? Use old concrete as fill?

Can't say for certain without seeing the new form around it. Tops of the forms need to be at least four inches above anything, ideally six. The sides also need the same distance, laterally. They ...
Mazura's user avatar
  • 13.4k
5 votes

Can top of brick wall be level?

Coping stones. They can be any profile, flat, sloped, ridge-cap… They prevent water ingress between the brick courses and also between brick and render. Water ingress plus frost equals broken mortar, ...
Tetsujin's user avatar
  • 11.4k
4 votes

Insulation foam in hollow bricks and blocks

Those are terra cotta blocks. They are, indeed, hollow. You could drill (carefully! Terra Cotta is fragile when drilling) and fill each and every block with low expansion foam (has normal expansion ...
DA01's user avatar
  • 24.3k
4 votes

Good, affordable pathway materials for sidewalk with tree root problems

Depending on where you live, reclaimed brick can be very inexpensive. The same theory still applies: if there's a problem in the future, just pull up the bricks and re-level the bed. However, bricks ...
longneck's user avatar
  • 21.2k
4 votes

How to tile over cinder block holes?

Instead of tile, consider 9/16"-ish thin brick veneer, which looks good in combination with concrete block. Something like this: You could put a wire lath over the blocks, and then just use mortar ...
alfreema's user avatar
  • 699
4 votes

House being built but I think the brick is poorly done

I have laid thousands of bricks and that is crap work! Don't pay for that, and there is no way to fix it it must come off and be redone. They should be ashamed of themselves, a new house that looks ...
Tkw's user avatar
  • 126
4 votes
Accepted

Is my contractor guy doing a botch up job with repointing

That is terrible and unacceptable. The mortar has been mixed with too much water causing it to dry (cure) and crack. When mixed, it should be the consistency of thick paste. There should be no water ...
Lee Sam's user avatar
  • 23.2k
4 votes
Accepted

Is this retaining wall failing?

The wall may have been built that way but I doubt it, the wall may have shifted over the years and is stable now. The only way to know is to drop a plumb bob from the upper decking just in front of ...
Ed Beal's user avatar
  • 103k
4 votes
Accepted

Safety concern building a fire pit out of reclaimed bricks

You can build the basic structure with these bricks, then line the fire pit itself with fire bricks. That's how fireplaces are made.
JRaef's user avatar
  • 14.9k

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