c/concrete-finishers

Talking to my old boss about the new power trowels made me miss the quiet

Ran into my first foreman, Mike, at the hardware store last month. He's retired now. We got talking about gear and he said something like, 'You guys have it easy with those quiet electric rigs. Back in the day, you'd finish a slab and your hands would buzz for hours from the gas motor.' It hit me that I don't even think about the noise anymore, it's just part of the day. But he made it sound almost peaceful, just you and the concrete, no engine screaming in your ear all afternoon. Makes you wonder what else we've gotten used to without noticing. Anyone else have an old timer point out something simple that's totally different now?

Honestly thought a power trowel was overkill for a small patio job in Tacoma

Tbh I was finishing a 12x14 slab last month and the homeowner had one in his garage. He let me try it and I got a glass finish in half the time. Anyone else switch to power for smaller pours after something like that?

Remembering a pour from three years ago at the old Miller warehouse site

We had a big slab to finish, maybe 40 yards, and the boss brought in this new laser screed machine that did in an hour what used to take four of us half a day with hand tools. It was wild to watch, but it felt like some of the old skill of just reading the mud was getting lost. Do you guys ever feel like the new gear makes the job easier but changes the craft a bit too much?

My big mistake with a cheap power trowel blade

Back when I started, I was always trying to save a buck on tools. Bought a no-name power trowel blade for about $60 less than the good ones. Figured steel was steel. First big pour on a garage slab in Tempe, the thing just gave up. The blade warped halfway through, left waves in the finish I couldn't fix. Had to stop, swap it out, and rework a huge section. Lost almost three hours of labor, which was way more than the $60 I saved. The client wasn't happy about the delay either. Now I only buy blades from brands I trust, even if it hurts up front. Anyone have a go-to brand that's lasted you years?

A neighbor watched me finish their driveway and said it looked great

He asked how I got the edges so CRISP. Told him about using a magnesium float, and he was genuinely INTERESTED. Stuff like that reminds me why I LOVE this trade.

My brother swears by having our dad consult on every pour, but I find it just leads to old arguments about mix ratios.

Showerthought: My garage floor kept coming out patchy, and it was driving me up the wall.

Tried everything from different trowels to more passes, but nothing worked. Finally talked to an old timer who said I was hitting it too soon after the pour. Now I wait for the surface to lose its wet look before I start, and the finishes are smooth. That fix cleared up the issue.

Noticing a trend towards textured finishes on outdoor steps. Been playing with different brooms for effect.

Noticed a big divide on when to apply sealer after a pour.

Some crews do it right away to protect the surface, but others wait to avoid trapping moisture. How do you all handle it?

Unpopular opinion: Apprentices skip hand-trowel practice now. How do you teach the basics in a power tool world?