I just poured a 5,350 sqft slab 9 days ago... I am happy i went with the ponding curing now that I saw the compound curing finish. PITA to keep it wet with 110F+ days

The more I watch your videos, the more sad I get about my 1994 spec home. Now I'll be thinking about all of the water vapor seeping up through my slab. 😱

Matt, I poured a residential foundation yesterday in Houston that has a finished concrete floor. We're not grinding it, and because this is an architecturally controlled project, we had to pay close attention to the finishing process and how we chose to cure the concrete. We ended up using a curing compound produced by W.R. Meadows called 1100. It's clear and dissipating, so it doesn't leave a permanent coloration on the concrete. After a few weeks (traffic and UV exposure dependent), it dissipates fully.

Happy to see the chairs. There are a few popular concrete YT channels that insist that chairs are not needed. They just pull up on the rebar as they pour (while then stepping on it) ... makes no sense, it's lazy, poor workmanship.

@buildshow

25 күн бұрын

Chair it up!

This is the content I’ve been looking forward to see! Can’t wait to see the rest

That was great.

@buildshow

25 күн бұрын

Thanks!

Fiberglass and basalt seem the way to go to avoid rust damaging concrete construction and as mentioned, both are much lighter and easier to carry.

Love love love this episode!!! Thank you soo much for all the details. I am building an addition and raising the grade just like your project. I really wondered about the sand bags on the last episode. Not structural sound. But you explained everything. Thank you. I will talk with my engineer if we can do this also. Thank you very much.

The GFRP rebar makes so much sense, especially for public infrastructure where you basically set the expiration date for your build as soon as you put steel rebar in concrete. For residential yeah it's not necessarily but wouldn't it be nice if it were the norm?

@w8stral

24 күн бұрын

Uh, where I am Fiberglass is CHEAPER than Steel rebar. Only reason ANYONE uses steel is due to inertia of industry.

Basanite Industries, in Florida, has basalt fiber rebar which is rust-free and comes in long lengths, up to something like 600+ feet, depending on diameter, which is great for long runs and gentle curves. For dowels, use stainless steel to maintain your rust-free quality. Brick Saver LLC

Matt's busy making his neighborhood the nicest in Austin, one house at a time

@buildshow

25 күн бұрын

Highest performance at least! Not me home at a time. This is my third in my neighborhood

Nice details for Slab on grade. Fibreglass rods have been refined from petroleum have about equal enviormental impact when compared to manufacture of steel rebar. The rebar product that has 0 enviromental impact is basalt as it already is rock to start with has 4-5 times strength of steel and expands and contracts at same rate as the concrete and is inert and is impervious to anything that the concrete is able to resist. Chlordane dust applied under foundations, and in crawl spaces was a forever one time treatment for termites and was stable and non poluting below concrete footings, slabs, and beams on grade and any wood pilings placed into the ground. Too bad it became a victum of misplaced environmentalists concerns because of chlordane uses as crop pesticides, one application was all that was needed up to 1984 ban excepting termite control expanded to include termites in 1988. Some lucky owner is going to get an incredible home! Ray Stormont

@w8stral

24 күн бұрын

Sigh, > your "basalt" so called "zERO impact" is composed of silicone dioxide JUST LIKE glass rebar fibers and JUST like glass rebar fibers, Basalt fibers are held together with --> PLASTIC Glue. Honestly: How ignorant is everyone today? Yikes.

Nice job thus far. Interesting to see you use a fairly stiff concrete mix as nearly every video of concrete pours in the US it is more like soup. Here in Australia it is a stiffer mix. Screeding is different there. If you get a chance to have a look at Concrete Ninja videos on how he screeds, and gives advice, it gives a good finish. It still has to be troweled off. The helicopter finishing should be the same type of smooth finish, but it must be the applied curing compound that made it rough? Just a suggestion for the next slab.

Whitt's a Padres fan!!!!!

What drove the decision to insulate above the slab (with AdvanTech subfloor mentioned) rather than under the slab which would enable using the slab's thermal mass for thermal regulation, long-cycling HVAC, etc. ?

@buildshow

25 күн бұрын

Ultimately it’s because of the easy installation compared to sub-slab insulation. Also with this slab capping(over a 1970’s slab) it would be impossible to do it below.

I'm not sure if it's possible to still cover this, but you mentioned in Episode 3 about a electrical grounding tie in to the slab that you wanted to show, but I don't remember if that ever got shown. I was interested in seeing what you did.

@camheady235

19 күн бұрын

It was not shown. Ideally, it would be 25+ feet of stainless steel rebar at the bottom of a beam in direct contact with damp soil, bent up and stubbed out so the copper ground wire can be attached in a visible place very close to the electric meter. It's called a Ufer ground. Brick Saver LLC

Isn’t there a concern about a cold joint with the curb you are adding in the garage?

Matty I’m impressed mate, site fencing and a portaloo on a American building site and blokes with HiViz clothing. Using those Doby blocks as chairs are nasty, good chance concretor steps on the bar pushing on those things and punctures the plastic. Does Texas have termites?

@buildshow

24 күн бұрын

Did you watch the video? We spend several minutes talking about termite protection using TermiMesh which was invented in Australia

Why not leave the forms on for a few days or a week so the edges cure nicely? Brick Saver LLC

@mattrisiner @buildshow how does this apply to hot dry desert climate? You have Stephanie Daily as an excellent resource in Northern Utah but it would be great to have some hot dry (St George) resources (construction is subpar/ basic) and I am not sure how to apply these techniques. Do I need a vapor barrier in St. George since it’s so dry? I have seen only one “zip” house go up and sadly insulation is far and few between with the HVAC being stuck in the attic. Help!

So it’s ok to put a wrap over the existing foundation to protect the new foundation being poured over it

@buildshow

25 күн бұрын

Correct

Sometime the Adobe enhance audio filter doesn't work and make you sound like an alien. Consider just using the original audio for these sections.

Did you guys use some kind of AI audio enhancement during the pour shots?? It really doesn't sound bad, but I'm so curious

@buildshow

25 күн бұрын

I think we had some audio issues on that segment. Thanks for hanging in through that. 🙏

@ConnorIngramDrums

24 күн бұрын

@@buildshow It was honestly barely noticeable. I'm just an audio nerd 😂 Love this series!

I am surprised the workers all wear hard hats and big high vests. Usually here in BC you only see that in commercial sites. Some let the strap high vest pass too.

@w8stral

24 күн бұрын

Its called a video and he wants to "look" professional while the guys are passing out from heat exhaustion....

You didn't put your parking break on.

😃👍🏼👊🏼

thats crazy. why not just dig up the old and just start from scratch

@andreycham4797

16 күн бұрын

Why would they want to have that unnecessary experience?

There is something so funny about all these highly engineered "bomber" materials, and then tight zooms on random cinderblock chunks acting as rebar chairs😂 I'm sure your engineer measured to ensure the rebar was close enough to centerline, but some of those rocks look a lot shorter than 2.5"...

What’s slab capping

@suspicionofdeceit

24 күн бұрын

What was just shown during the entire video.

@camheady235

19 күн бұрын

Part of the new slab has an old slab under it, from the old house.

It looks like you kept switching between 60 and 120 fps while recording. It feels weird.

Matt, love your videos and can even tolerate most ads, but the new FORCED ADS require a reboot to even watch your video they have a skip button but it doesn't respond and plays never ending ad. perhaps it is something youtube meta is doing and not you I hope... and this is happening to other youtub videos so you might want to contact them and report it.

Dude, if someone gave me a BLACK shirt as a construction worker, I would hand it back, and say, NO THANKS!

Hurts my head to watch that worker carelessly apply the red tape, leaving huge ridges unflattenwd in the vapor barrier

@w8stral

24 күн бұрын

Yup, may as well not even do it. For price of what he paid for that moronic vapor barrier he could have just SPRAYED a coating over everything and called it a day in a fraction of the time. Or get this: put in DRAINAGE below the damned slab !!! GASP!!!

@camheady235

19 күн бұрын

Looked wet, too!