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True, you're absolutely right. I'll go the joist sistering route! Thank you again!

Thank you both for the suggestions! To be honest, I have not measured the width of the joist edges bearing on the sill but the sistering you described is what I had in mind, although I had not been able to find any information for calculating or determining the number of fasteners or length of...

I hope everyone has a happy and safe 2026! I'm back to my projects slowly fixing a 1970's Keystone brand modular (prefab) raised rancher with basement. It has roughly a 1000sqft main floor and a little smaller basement. I was rerouting some electrical cables from the open ceiling in the...

I appreciate your feedback and it's good to know I'm on the right track!

I'm sorry, I didn't have a way to prop up the toilet flange on the right in the pic because I'd torn down the insulation. I'm happy with the layout on top as I didn't lose a whole lot of space. I had measured the joist spacing from the basement before buying the shower bases on sale many months...

It was easier and faster to draw by hand than with Paint which I did find on my computer but have never used. Hopefully the labeling will make it easier to understand. The main focus is if there's anything I should be careful with in the positioning of the "Diving/Plumbing wall" and the...

Reach4, thanks for the quick reply! My sketching abilities and lack of drawing programs on my laptop make me believe actual pictures will be easier to understand. With that in mind, I'll simply my questions. Is there a minimum distance that I should install the closet flange seen on the left...

I continue to work on a back to back bath remodel where there was originally a single bath. My initial plan was for a couple of 5'X8' bathrooms, each with a 3'X5' shower at the end, but the floor joists running front to back (perpendicular to the width of the bathrooms and the purchased shower...

Thank you. I'd bought the wyes and 45s but I'll also buy the combos, see what works best and return what I don't use. I'm not that familiar with the area's plumbing supply stores but I did find the pvc double fixture fitting at supplyhouse.com linked above. Referring to my diagram above, I've...

Basically, your second question, which you've answered. I just wanted to know if when someone says "you can use a combo" if that always meant a single fitting which is a combination of a wye and a 1/8 (45 degree) bend? Thank you for your help and have a good evening!

Sorry for the delayed response...work got in the way! Unfortunately, I have decided to switch the new plumbing to PVC and tie into the ABS soil stack and what I will call dry section of the kitchen vent with Oatey green transition cement. The reason being, I could not find any solid core ABS...

Wayne, thank you very much for the feedback and explanations! Ref your answer to #1 above, I really liked the two 45s suggestion! Q1. Related question, I ran across a Terry Love reply in which he mentioned a "medium 90." I have not found any "medium 90s" for sale. Is that just a "regular 90,"...

IPC 2018, I'll be plumbing two back to back 3 piece bathroom groups using a horizontal 3" drain and a 2" vent. Question #1. When changing the direction of a horizontal 3" drain pipe to a vertical can I use two (90) Long sweeps, one at the top and one at the bottom, or are there better fittings...

Thank you both! I'll add the green transition cement to the shopping list! I wish everyone a safe weekend!

Thank you Reach4 and Jeff H Young! I doubt I'll last another 30 years, even if I wanted to, but right now I'm thinking of switching to solid core DWV PVC and buying it quickly, before manufacturers decide all they're going to make is foam core! I'll check out the foam core ABS when I go into...

I'll be plumbing two back to back bathrooms in a mid 70's house that originally used ABS for DWV. I'd planned on using ABS but didn't really compare prices and availability with PVC. I was going to place the order today at Home Depot but the only ABS pipe I could find was of the "cell core"...

1. Is pipe ABC horizontal in the attic, and have no connection to NM ? A: My drawing is supposed to be the wall separating both bathrooms. I'm planning to run ABC vertically through the wall separating both bathrooms. I'm planning to run CDF horizontally at a slight angle, connecting to G, right...

I re-drew my plans and changed my fitting selection. Even though in the drawing the vent lines run high along the wall, I plan on keeping them low until connecting above the lavatories Double Fixture fitting in order to minimize the chances of punctures from wall shelving, mirrors, light...

Reach4, as usual, you're the first to offer assistance! I'll change the fittings in question in my shopping cart and study the pdf linked. I'll also search for a free software that'll allow me to work on pdf scans so the next diagram is of better quality. I'm sorry for how bad that jpeg scan...

My house is a 1970's prefab, 2 level house, on well and septic, and all the DWV plumbing is concentrated along the rear wall of the house in the unfinished portion of the basement. Current plumbing uses (black) ABS pipe and I'm planning on sticking with the same for practicality. The ABS...