Plumbing Slope Rule and Why it is CRITICAL

hi guys and welcome to today's task for today's task we are at my house doing a small experiment to demonstrate a critical plumbing principle that we're using at the new house and that all plumbers are using in every build going on right now this is an industry standard and i want to demonstrate it for you today what we're talking about today is the slope of your plumbing pipe and that's where the snickers and toilet paper are gonna come in handy so when you're building a house your plumbing has to have enough slope to get the water moving and water typically can move at one percent one percent is when your bubble of your level actually touches your line plumbing code is actually a quarter inch per foot of travel so every foot you need to be dropping a quarter inch which roughly is about two percent which means the bubble needs to be past the line just a little bit and i want to demonstrate to you today why that's so important so i've bought a clear plastic tube we have some toilet paper to demonstrate what it does and some snickers to demonstrate what that does before we start i want to show you what water does in a pipe that's level say you pump in only two cups of water that's really not a lot you do get that little bit of drainage effect but looking at our see-through pipe there's a lot of water still in there so it's clearly not draining and while you do have pea traps and vents and things like that that keep the smell away what happens is you start building up sludge and that becomes kind of a traction area and that stays and won't allow the rest of the water to flow so it's really critical to have that slope put in place so let's demonstrate it at at least the two percent slope or the quarter inch per foot which is required so we have existing water in there already i'm going to raise it up to the minimum slope and the water is coming down and pouring out of our pipe while that's finishing you done making me have to go potty i wouldn't drink that so now let's demonstrate with a little bit of toilet paper however much you possibly use we'll just say that whatever well throw the paper didn't make it oh did it go over okay we've got we've got our slope set and this one could honestly be even a little bit higher that's better that's two percent slope we're set we're good let's send our toilet paper and heaven forbid oh these are nice and soft i guess that's a good thing right well these guys down too because i don't have a toilet attached to this to flush properly i'm going to set this in the pipe and then we'll pour the water down on top of it oh not quite enough huh here we go all right so we did get to move but realistically it doesn't quite work that way because your waste and your toilet paper are already submerged in the water and kind of all-inclusive so i'm going to try and figure out how we can get that to sit in the bucket properly and then dump it in so i've increased our slope just a little bit we're a little bit beyond it now you can be beyond it there's a point where it's too fast where the water will go too fast but we're nowhere near that limit but i still want to accurately display for you why it's necessary because the last time it wasn't fast enough for the water to actually carry the waste out so there's that perfect balance and let's see if we can demonstrate it one more time a little toilet paper and let's let's be honest that's enough for people to use our predisposed it's gonna take a bar out of it let's fill this guy up with water with what we've got in here now this seems a little more accurate so we'll try dumping it one more time how'd the toilet paper go [Music] oh no the candy bar the candy bar stuck in well i've gone ahead and set up i think a better flush valve so we're going to take our toilet paper put that in put our number twosie in oh they're super melted now maybe that's more realistic i don't know put that on top let's fill this full of water and now with our two percent slope let's see how our flush works do i think we've got a problem that's not enough water since the new average for a toilet's water consumption is roughly one and a half gallon maybe a little bit more a little bit less than that but that's about the average i'm going to put that much water in our water main head right there so that it kind of simulates that because i think that was the problem we were running into okay boston go grab me a snickers bar will ya go grab one of the snickers bars out of the fridge [Music] lincoln go grab a snickers bar out of the fridge open up that snickers you want a bite of it quite hard okay let's throw this guy back up in there as much yeah see if it sinks there it goes is that hard to keep it like that yeah oh it doesn't want to stay okay linky you're gonna do us the honors you're gonna come pull that lever which lever this black one right here pull this lever and let's watch it go down okay ready three two one go pull hard pull hard [Music] oh [Music] the dump isn't in there yeah it's right there one more time at our two percent slope let's see what it does [Music] yeah yeah it's just like lodged in there yeah but i thought it's because it's cold after looking at it i will say this the toilet paper definitely flows with the water a lot better if you have that full one and a half gallons or like 1.47 gallons whatever the flush really is and if you have that slope proper it flows really really well with it so that two percent slope that we're talking about where you're in the bubble just barely that's really all you need and the correct amount of flushing power and your plumbing is going to stay empty which is really what you're going for you don't want anything sitting residual in the line so that other flushes have to come push it out or other water has to come push it out so the conclusion we come to is the two percent grade really matters if you want this stuff and the other stuff to make it all the way down to your septic or sewer system this is a simple today's task but it really was something i really wanted to demonstrate or at least see for myself really what the benefits were so finding this piece of plastic pipe that was clear was not easy but it was totally worth it if you guys liked today's video give it a thumbs up if you're new to the channel subscribe and until then we'll see you next time bye guys for today's task we are at my house doing a small ins we are in every build so what we're talking and that all plumbers are using but code is a quarter inch poor after looking at it i will i know this was really a simple [Music] you

Channel: Todays Task

Views: 81,872

Keywords: todays task, todaystask, mytodaystask, task, diy, do it yourself, handyman, diy house repair, house repair, how to house repair, how to, repair, fix, build, construct, Joel hoellein, hoellein, #dewalt, dewaltstrong, plumbing slope and why it is critical, plumbing slope, 1/4 per foot slope, sewer pipe slope, rough plumbing slope, your poop depends on it, toilet paper, toilet paper clog

Id: Lu4cpaiYmk0

Length: 10min 8sec (608 seconds)

Published: Fri Sep 02 2022