2007-02-04 08:46:58 · 9 answers · asked by beaucoupnice 2 in Home & Garden ➔ Do It Yourself (DIY)
it will depend on the size of the waste pipe. 3" or 4" an 1/8th inch would be acceptable, anything smaller should be 1/4. To much pitch the water flows to fast and will leave solids behind, to little pitch and the solids won't move enough and accumulate. I don't have my code book handy here, but I have done this once or twice. ;)
Basically the larger the pipe is, the less pitch you can get away with.
2007-02-04 09:44:20 · answer #1 · answered by Anonymous · 2⤊ 0⤋
Waste Pipe Fall
2016-10-31 14:44:42 · answer #2 · answered by ? 4 · 0⤊ 0⤋
The master plumber is right. On 3 and 4 inch pipe 1/8" (bare minimum) to 1/4" per foot of fall and on 2" and1 1/2" pipe you want 1/4" per foot of fall. Straight from the code book!
2007-02-04 13:50:55 · answer #3 · answered by ender3113 3 · 0⤊ 0⤋
The desired fall is 1/4" per foot. Usually code will accept 1/8" in tight circumstances.
1/4" provides the flow conditions that do the best job of moving waste along the pipe. Less than 1/8" can create conditions that encourage clogging.
2007-02-04 09:04:41 · answer #4 · answered by spiritgide41 4 · 1⤊ 0⤋
on three inch and smaller pipe you need 1/4 inch per foot.
On four inch or larger 1/8 inch per foot.
2007-02-04 15:38:08 · answer #5 · answered by USMC Rando 5 · 0⤊ 0⤋
bath tube or shower both 6" just make sure u have created 90 degree trap so the sewer fumes cannot get into the home.
2007-02-04 09:03:09 · answer #6 · answered by lajerri57@yahoo.com 1 · 0⤊ 0⤋
Half an inch for every 3 feet is about it.
2007-02-05 04:31:10 · answer #7 · answered by Anonymous · 0⤊ 0⤋
1/4" per foot
2007-02-04 09:00:09 · answer #8 · answered by NubbY 4 · 0⤊ 1⤋
the fall is one in forty
2016-02-09 06:48:43 · answer #9 · answered by Ambliff 1 · 0⤊ 0⤋