Planning My Bathroom Remodel - Plumbing - DIY Home Improvement | DIYChatroom

Go Back   DIY Chatroom Home Improvement Forum > Home Improvement > Plumbing


Thread Tools Display Modes
Old 01-06-2009, 12:53 AM   #1
Join Date: Jan 2009
Posts: 20
Rewards Points: 22

Planning my Bathroom Remodel

The big question mark is relocating my sink to the opposite wall of my bathroom. I am going to call a plumber but i want to know as much as i can before i get into this. I want to install a double vanity. I assume water and waste line will need to run under the floor to the opposite side of the bathroom, unfortunately this would run into the floor joists. What is the protocol for cutting through or notching the floor joists. they are 8x3 wood joists (assumed from the 1st floor joist). the house is a rowhome built in 1920. Will the plumber know this? Is this even possible? Should i demo first then call a plumber? Would a plumber require a real carpenter? Last and most importantly what would one expect in cost.

I am only going to hire a plumber and electrician and do the demo, carpentry, drywall, tileing myself.



benshouse is offline   Reply With Quote
Old 01-06-2009, 08:23 AM   #2
Registered User
Termite's Avatar
Join Date: Apr 2008
Posts: 6,520
Rewards Points: 2,000

You can drill holes in the existing joists to accommodate the new plumbing. The holes cannot exceed 1/3 the depth of the joist, which is about 2-1/2" on an 8" joist. The holes can't be within 2" of the bottom or 2" of the top of the joist, but can be located anywhere along the length of the joist. The plumber will drill the holes and piece in the PVC drain in the floor. You won't have to do it for him.

Some plumbers are quick to notch wood joists. This can be done, but it substantially weakens the structure. Notching is allowed in the joist, but never in the middle third of the joist's span. Notches can't exceed 1/3 of the joist's depth.

Just go over his plan before he starts to make sure he doesn't do any wood butchering that will compromise the structure or cause you to fail your inspection.

As for costs, that's not what this site is for. Guessing what it would cost you would be a shot in the dark. We're better geared to helping you do these things yourself.


Termite is offline   Reply With Quote

bathroom remodel plumbing

Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off

Similar Threads
Thread Thread Starter Forum Replies Last Post
Steps for Bathroom Remodel? SeattleHome Building & Construction 7 10-09-2008 11:04 AM
Bathroom Remodel pwhoolboom Project Showcase 15 07-08-2008 10:34 PM
Bathroom remodel - need advice sparky472 Remodeling 12 10-22-2007 04:03 PM
Bathroom remodel - what to do first? led0826 Remodeling 2 07-30-2007 01:02 AM
Approach to demo bathroom ceramic tile floor for remodel corky Flooring 3 01-29-2007 09:59 AM

Top of Page | View New Posts


Search Engine Friendly URLs by vBSEO 3.6.1