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Prepare Base Material and Layout Screed Pipes

4:46
18:06
5.3K views

At 4:46 in

How NOT to build a Patio!

What happens here

The team begins preparing the sub-base for the new patio. The host explains the importance of using Class 5 material (3/4-inch rock with fines) for the sub-base, highlighting that its composition allows it to compact very tightly, creating a stable, concrete-like foundation. Recycled Class 5 is used here, which has the added benefit of hardening almost like concrete once compacted. They then prepare to lay steel screed pipes to ensure a perfectly pitched (sloped) and uniform base. The ideal pitch is a 1-inch drop per 8 feet of run to prevent water pooling. The pipes will guide the spreading and leveling of the Class 5 material.

Goal: Establish a stable foundation and ensure proper drainage for the patio.

Tools and materials

  • Skid Steer — Spreading Class 5 material, Steel Screed Pipes Unknown
  • Granite Chips — The leveling base for pavers, Recycled Class 5 Material Unknown

What they say

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right, good morning everybody. So, there's going to be a fat chunk of uh missing space from the start of this job to today. Zach was gone. Got roped into some bulls. So, here's where we're at. Just getting the uh last lift of um our class 5 set here, and then we'll start setting our pipes for the sand. Um, I just got to complain for a second about all this freaking recycled class 5 that we got to use for this stuff cuz it's cheaper per yard, but with all the concrete and stuff you get in here, it takes longer to lay it. Um, the few times that me and Blaine were doing patios with like actual class 5, we got it laid out in like half the time that this stuff takes. I'd argue that it cancels out, but yeah. All right, that's that. Let's Let's get going on the day. All right, Sambo's actually right on this point. Um, but here I want to define class 5 just so you guys know. Class 5 is a 3/4 inch rock that has uh all sight all different granular sizes down to fines in it and it packs up. But there's natural stone class 5 and there's recycled class 5. Now, one of the benefits of recycled class 5 that we're using in this video here is the fact that once it's in place and compacts, it turns into pretty much concrete again. I mean, it gives you such a solid foundation, but it is a little more difficult to work with than natural stone class 5. Now, coming up here in just a few moments, you're going to see that we're using screed pipes. And the way we ensure that our patio is completely flat and level, actually tech Oh, nope, nope, nope. Flat and level would be the wrong technical term. We do not want a flat and level patio ever, ever, ever because we don't want water to pull. We want to have one inch of drop per 8 foot of run. So to make sure that we hit that perfect proper pitch, say that fast five times, we use screed pipes. And the screed pipes allow us to get everything dialed straight in all the way across without it having to individually level each block. So, as you watch the next segment of the video and you see these screed pipes in and we're using 3/4 in screed pipes and here that's a critical measurement as well because when you put the screed pipes in, you get your you first you get your base in the right to the right depth that you want and that's always 6 in minimum unless you're putting it under a driveway where you got going to have heavy vehicle traffic. Then you want to go 8 10 or even 12 in deeper. But also, you want to have when you've put your fine…

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