Tips For Pouring A Large Concrete Slab Foundation

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In this video I'm going to tell you my best tips for pouring a large concrete slab foundation. This concrete slab is about 5000 square feet and took 70 yards of concrete. When you pour a large concrete slab like this or larger, you have to have a plan. You should not only be thinking of the best way to pour the slab but also how you're going to finish the concrete as well. When I pour a concrete slab of this size, I do it in stages, always keeping a wet edge so we don't get a "cold joint". A cold joint is when the edge of the newly poured concrete starts setting up before you get back there with new concrete and get that section screeded & bull floated. Having a process and a plan will help eliminate cold joints and allow for a smoother and faster installation.
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Опубликовано:

22 дек 2019

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Комментарии : 120

@genardogonzales3055 9 месяцев назад

Mike iam 83 yrs ole. I am very impressed with your style of pouring.I started in concrete at 18 yrs old and theres always something else to know. BUT THANK FOR BEING OUT THERE FOR US. YOU WOULD.SURPRIZED AT THE HA KS THAT a re out t h ere thinking they know all

@pondlakes 2 года назад

i think it's really cool how everyone has different ways of doing things. picked up some good tips from this video. You're a real pro mike

@user-xo5zl2wq8c 3 года назад

Props on the order. All our mono's were graded by a diff. crew w 2 by 3 footers. Always had to order a tail. Usually around 5 yds.

@snacking5908 2 года назад

Just became the head carpenter for a development company. I always watch your videos even though I think I’m pretty good with concrete. I still pick up pointers. Could never learn too much

@claycollins2862 4 года назад

I enjoy your informative videos, keep them coming.

@MikeDayConcrete 4 года назад

Hey Clay, thanks. What do you enjoy the most of?

@chriso2130 4 года назад

Great video!

@johnpsota-jenkins7290 Год назад

Learned a lot, thank you

@speedtwitch 4 года назад

Hey Mike I came across one of your Epoxy garage flooring videos and then found myself going through all of your videos on here. Very educational. I respect your work ethic and the fact you started this business at a young age. Much respect man. I always was interested in the concrete business but the army infantry became my career path. good luck in the future

@MikeDayConcrete 4 года назад

Thanks for you service!! And thanks for watching!

@lloydgerrish3477 2 года назад

Love the videos keep ‘em coming definitely thinking of starting my own business cause I work weekends at my normal job and want to do some work for myself I have like 4 yrs in concrete which i accumulated some finish tools and want to put em to work lol

@bondobuilt386 4 года назад

Nice job on the concrete estimation Mike. He many machines did you need to finish this slab? Did you need to get the lights out. I do a lot of radiant slabs but never knew you could run the hot water through the tubing to help speed up the drying time. Did you put water reducer in this one? We use a pump way to much I think and it’s over $1000 here in upstate New York. I just did a video on one we pumped. Was to muddy to get the trucks in there. Kinda spoils the guys with that pump. Lol

@pondlakes 2 года назад

pump trucks are definitely worth it on a pour like this!! so much less dragging and easier on the workers. I know our crew is always relieved when we get to use a pump truck. doesn't always happen, but thankful they were invented

@dwightbalcon5227 3 года назад

Love the video my question is how much meters of concrete to do that 5000 sq ft foundation

@frankflanagan109 4 года назад

Great video as always! We have several crews that we do all their stamp work for, but we all bounce around and pour/finish bigger jobs like this one when needed. Like you said, its good to network!

@MikeDayConcrete 4 года назад

Frank, how big of a crew do you have?

@frankflanagan109 4 года назад

Same size as yours, myself plus 2..... but I know a few other guys who we call in when needed. I prefer to keep it small for "quality control " and to try to keep everyone's hours up!

@rossokeefe9268 2 года назад

Hi Mike, what happens when you add superplastisizer to concrete..I know it replaces some of the water...but does it make it set faster or slower?

@10141957 2 года назад

Hey Mike do they put the domestic waterlines in the slab as well ? or do they feed them from above after ?

@tobiasmagnusson8637 3 года назад

Hi Mike! First of all great channel! My question is that i have seen you pouring a lot of concrete slabs, and it seems to me you are not using a vibrator? How come? Keep up the good work!

@samo8204 2 года назад

Mike are you using some some of water reducer like super P?

@miketoronto6729 4 года назад

Great video ,,I love the story about mag floating for 6hours ,, that day must have been living,🖒

@MikeDayConcrete 4 года назад

I magged a long time that day.

@miketoronto6729 4 года назад

@@MikeDayConcrete my brother I just lost a construction friend last week due to corbon poisoning from heaters and power trowels,, thank God I have done basements in three years or so, both my teachers in cement died before 50 because of ventilation,, my mag float is my life line ,, thank you Mike its inspiring to me this thank you

@miketoronto6729 4 года назад

@@MikeDayConcrete sorry haven't done in three years,, finger are better with tool's lol

@samo8204 2 года назад

Lol. If I'd waited one more minute. You answered my question.

@idicalidical5343 4 года назад

This has become the most useful and professional concrete trade channel on the Tube. Thanks for moving the spectator out of the view. One question, do you have a preferred chair which resists punching through the foam or the vapor barrier?

@MikeDayConcrete 4 года назад

Most of the time we use slab bolsters. I like the vapor barrier to go under the foam also.

@bigmiked52 Год назад

Hey Mike I had my concrete done last Friday in my pole building in Pennsylvania the guy sprayed sealer after he power trialled it looks terrible was he supposed to do that

@melissakuralt790 3 года назад

Would you pour a slab over 16" of stone that makes up for natural grade? Or is that risk for failure?

@patrickbarr8795 4 года назад

Yes sir 350 for the day and net work and barter all the time here in St louis

@rodfrost5051 2 года назад

Gotta love a pump truck.

@RJ-lk5pj 3 года назад

What’s the thickness of that slab- 8 or 10” inches? I see those are 2x12” forms. Is there a code rule for residential pads in Maine? Being this is an apartment building.. rarely see a building without a basement.

@eldiabloblanco7232 3 года назад

Thanks for the video. Cool to see how other people run thier jobs. I work in south Texas. All commercial concrete. What a difference climate makes. We pour at night all year long and the goal is to get it poured out before the sun comes up. We rarely use calcium and never in 4000 psi. Too hot. Also, we have grade beams below everything. Sometimes piers and grade beams. I was surprised by the 800 for the pump and guess it's cheap because you didn't run another 100 cy through it for the foundation.

@MikeDayConcrete 3 года назад

Thanks for watching!

@toddd137 3 года назад

Can a concrete slab for a home be poured in sections on different days?

@augustinemenchaca3853 3 года назад

I’m just staring out doing small jobs cause it’s hard to get people out here I have a 14 ft screed but I’ve been looking at getting a power screed cause I’m getting more jobs and a little bigger. Which one is better

@josephjohnson2867 4 года назад

Bad ass !!

@idicalidical5343 4 года назад

20,000 subscribers, it's about time!! Next 20k is easy.

@MikeDayConcrete 4 года назад

Almost there! Thanks for your support

@grantbeaty8893 2 года назад

Was it 4inch in the center

@goldenboyproductions7229 3 года назад

What does a slab like this cost? I'd be curios to know.

@krich106 3 года назад

Respect

@Majorfarter 4 года назад

Nice clean edges, no hack job bullshit much respect no wonder you get more work than you can take. Do you take guys from a local union or do you have a steady pour crew?

@MikeDayConcrete 4 года назад

Thanks for the compliment! I have a 3 man crew. We pour most everything ourselves up to 4000 - 5000 sf depending on the access. If I can network with a few other crews (friends) I take the extra help and pay them good. It's a long year pouring and finishing with only the 3 of us so any extra help is always appreciated. No local unions here where I live.

@exca3737 4 года назад

You said previously that your summertime pours are 3,000 psi, does that include driveway pours. Just curious i live in sw PA and every concretor I know uses 4,000 on everything but footings all year. My thought was the stronger mix holds up to salt and freezing. I know our winters aren't as bad as yours. Another informative video good work as always

@MikeDayConcrete 4 года назад

Just my floors and slabs are 3000 psi. My exterior pours like driveways, pool decks, sidewalks, and patios are all 4000 for the reasons you said. Freeze and thaw plus salt.

@aaronbryant8315 2 года назад

How do you pay the guys you network with?

@user-xo5zl2wq8c 3 года назад

If you have hot water I hope they flip the screed. Alluminum warps out with a hot/cold side. I've seen 1" bellies in 20' screeds.

@vic745 4 года назад

When you pour in cold weather like this does the concrete have potential to buckle or crack?

@MikeDayConcrete 4 года назад

I haven't experienced that at all. If the ground had frost in it, it would.

@lb7wade518 4 года назад

We need more quality trades people. My son started at 7years old

@MikeDayConcrete 4 года назад

Wow, that's pretty young!

@williamlopez5462 4 года назад

Should the reed bars be higher? Looks like they are to close to the plastic barrier. Also, I don't see tape about the drain pipe.

@MikeDayConcrete 4 года назад

There's no rebar in this one. Those are radiant heat tubes and the heating guy likes them close to the bottom. There's sill seal wrapped around all the pipes.

@markdwyer100 4 года назад

Nice1 on the amount must be great when that happens do you youse hot water all the time in the winter or is it just for an early pour

@MikeDayConcrete 4 года назад

Yes, we use hot water from Nov. 15 to April 1st.

@markdwyer100 4 года назад

@@MikeDayConcrete that's a long cold winter so after April do you still protect the ground before a pour or is it ok by then .great workmanship by the way

@joemonroe9456 4 года назад

What's a "lawge" slag?

@1sttigertiger426 4 года назад

Do you remove bleed water after the concrete has been screeded?

@MikeDayConcrete 4 года назад

The bleed water usually evaporates on its own.

@mattbeveridge9248 4 года назад

Not running out far from home is. I've but my my that was close for comfort ay haha we call then finish ups

@theopappas1890 3 года назад

Why is it bad to have one section dry faster than the other section?

@skliros9235 4 года назад

Is there a wall and footing below?

@MikeDayConcrete 4 года назад

No frost wall or footing. The thickened edge is the footing.

@ssmith32183 4 года назад

What’s the biggest floors you guys do on average?

@MikeDayConcrete 4 года назад

On average the 3 of us will do 2000 - 4000 sf floors. Especially if we can use the Vibra-screed

@aaronbryant8315 2 года назад

One thing I’ve noticed is there’s no lining of the forms in your videos ?

@karlunderhill2004 4 года назад

trying to buy your concrete slab course BUT the link doesn't work ???

@MikeDayConcrete 4 года назад

Karl, sorry about that. I tried it and it worked for me. Try this link and let me know if it works. mike-day.mykajabi.com/offers/f2hJCH2C Thank you!

@biglousfoodreviews8459 4 года назад

hey mike any coupon codes for your slab course?

@MikeDayConcrete 4 года назад

Find and watch my video on concrete buggy, medical marijuana floor. I think that one has a coupon code for the slab course. Let me know.

@and1globetrot00 4 года назад

Just watched the video mike. I didnt see or hear about a slab course coupon. Any help is appreciated Mike!

@MikeDayConcrete 4 года назад

Try BUGGY for a coupon code. That should give you a discount. let me know if it doesn't work.

@returntozion9287 4 года назад

Hi guys....I have a question: I am in the process of laying a slab.For various reasons I have decided to add a retarder to the mix. I have to use a concrete mixer, due to very poor access for a truck....and the ridiculous cost of a pump truck (in Australia). I am using Sika Retarder N, which requires approx 200ml (in liquid form) of retarder per 100kg of cement content, and gives approx 3-4 hours of initial setting delay (depending on temp C). This works out @ about 25ml per load. The data sheet says to add retarder "with the water".....therefore my question is can I measure the required amount of water (in a bucket) required for the concrete in each load, and add the 25ml to the bucket, mix it thoroughly and then add it to the concrete and then mix? Or would I add the retarder after I add the water. I would appreciate any and all constructive thoughts.....regards to all, have a very safe & happy XMAS & New Year!

@MikeDayConcrete 4 года назад

Sounds to me like you would add it to the water first, then mix the water and retarder to the mix.

@returntozion9287 4 года назад

@@MikeDayConcrete Yeh thanks mike, I mean I suppose either way would work, but like you say....pre-mixing with water (since the retarder is in liquid form) would allow for greater diffusion in another liquid (that being the water), and therefore a better distribution of the liquid (water & retarder) throughout the concrete mass. I'll do some test samples first. Have a great xmas and a safe new year to all!

@cheshstyles 4 года назад

email sika and ask them directly. I would add it to the water first.

@returntozion9287 4 года назад

@@cheshstyles yeh cheers....will do!

@user-xo5zl2wq8c 3 года назад

Try grade stakes instead of floating pads/w laser.

@willambush7030 4 года назад

Hello Mike Day , I have a five man crew that works for me , If i pour out sixty yards i will have six finishers on that job site . i make my decision on the rule one man per ten yards . i do network with other finishers , and call them if needed .i do a lot slabs for building contractors , i am the place and finish guy . Mike , as always this is a great video .Thank you so much..

@MikeDayConcrete 4 года назад

William, that's awesome. Having plenty of experienced guys always makes the job a lot easier. I've had up to a 7 man crew before, very experienced. That meant we would do 2, 3, and sometimes 4 floors per day. I was running all over the place. A smaller crew makes my life a little less busy. Thanks for watching!!

@BenBNC Год назад

"i dont mind spending a few extra bucks on a pump truck, if it makes the job easier" Id give anything to hear my company owner say this.

@aaronbryant8315 2 года назад

Well I geuss I should’ve watched whole video before my first comment 🤣🤣

@luissalinas4655 4 года назад

No one pull wire mesch up or u ha chair under????

@aarongrabowski5620 4 года назад

How much calcium you use on a slab this size 2%?

@aarongrabowski5620 4 года назад

We use poz 20 because it kick it way faster than calcium chloride

@MikeDayConcrete 4 года назад

We use 2 50lb bags per truck of calcium chloride. I've used the poz before, we have to on spec jobs. My experience with it is not like yours, it seems a lot slower to me.

@nezuko_anime_fan 2 года назад

16:01 and 16:30, unthaw it = freeze it....you my dude though

@arobyte 4 года назад

Mike, how come sometimes you use the power screed and sometimes not? What's the deciding factor? I'll think if you have it, use it... no?

@MikeDayConcrete 4 года назад

For me sometimes it's faster to hand screed when there's a lot of plumbing pipes like this video. Sometimes if the floor slopes like a garage floor front to back or to a floor drain. And sometimes if it's just a small floor. These things are how we decide to hand screed or power screed.

@arobyte 4 года назад

@@MikeDayConcrete Thanks! Makes sense.

@psidvicious 4 года назад

-More so than any other craft [that I’ve ever seen], the finishers always networked with different companies. As a shell contractor, it almost didn’t matter if I contracted a job with ‘Acme Concrete’ or ‘A-1 Concrete’ bcz 50% of the finishers we’re gonna be the same guys anyway, with the exception of the lead-men. -Did you say the final load was referred to as the ‘balance’? Around here, it’s always called the ‘bump’. 🤜🤛

@MikeDayConcrete 4 года назад

Networking for me happens around a dozen times a year. It sure helps to do those larger jobs. Yes, I call that last load the balance load! Thanks for watching and your support, I appreciate it!

@TrailTrackers 4 года назад

Here in Utah we call it a "Cleanup".

@justame7638 3 года назад

why is your boom pumps so expensive? I only pay $600 canadian for a boom pump. crazy...

@Archer_3225 4 года назад

So now I see why some contractors will keep our trucks on the job for 75+ min pouring. They get ahead of the screaders and then they have to wait for them to catch up.

@MikeDayConcrete 4 года назад

Yes, with a slab like this that has a lot of plumbing to go around, it slows things down a bit. Without the plumbing this pour would have been a lot faster.

@aarongrabowski5620 4 года назад

If anyone was wondering, the $850 he said is prolly a minimum charge. If you go over usually a 4 hour period its another charge per hour. At least thats how it works in mass

@aarongrabowski5620 4 года назад

Nice job again Mike. You honestly do great work

@aarongrabowski5620 4 года назад

Hopefully u got more people! Good call Mike

@aarongrabowski5620 4 года назад

We deff work with other crews. Sometimes you have to. Aint no shame in it

@aarongrabowski5620 4 года назад

Mike, what size blade your vibra screed have? 12’? If so get a 10’ they are so much more practical

@MikeDayConcrete 4 года назад

Yea, 850 is for the first 4 hours. I don't think I have ever gone over the 4 hours on any pour I have ever done.

@bellpraise 4 года назад

A powered- vibrator is way faster and much better good finished quality, and costly efficient. And we don't use long 2by4 to screed off, but we use shorter one. We Korean call it DADEAGI which means stamping and screeding and leveling. We make it at the site. First, Pick up a proper length 2by4,like 1200centimeter long, get the steel bar to make the handle, at this turn, you should check the length of the 2by4 which would be the size of the handle and height of a user which would be the size between the 2by4 and your hands,at this time , the height must be located at the easiest level to shake this tool. Because you have to cut and bend the steel rod accordingly. Once you get this done, nail the bended bar on the 2by4. The steel rod shapes like the alphabet U. The hollow part will be lined by the nailed 2by4. The bottom part of 'U' which is a little bit bended would not be bended in the tool. Actually this section will be the handle you'll grab to work. Both of l.l will be the height between your waist (or hands) and the 2by4. There's more one thing I would like to add to make this tool better. If you bend a little bit the tip of the bar which will be nailed, it can prevent the bars from sliding out of the 2by4. DON'T HAVE A BACK PAIN!!!!!@@ Thank you. FYI, I have been around the site for 30 years.

@MikeDayConcrete 4 года назад

Thanks for watching and thanks for the screeding tip. Do you live in Korea?

@bellpraise 4 года назад

@@MikeDayConcrete Yes i do. I do laying out steel rod for a living, sometimes i do the concrete pouring jobs. I do have a great pleasure watching your uploads. Thank you.