Questions tagged [bathroom]

For questions regarding the room where one bathes or uses the toilet.

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Is it OK to use 1/4" concrete backer board over 1/2" plywood as a bathroom subfloor?

I just bought a house built in 1978 and I'm planning on putting tile in the bathrooms (currently linoleum). The fixtures are removed and the flooring under the linoleum is particle board. I think ...
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  • 1,029
20 votes
4 answers
211k views

Should the backer board be in front of or behind the tub flange?

I'm installing a new bath tub and shower. I've removed the old tile down to the studs. Should the backer board be in front of or behind the tub flange? I put it on the rear tub wall from floor to ...
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8 votes
3 answers
15k views

Why does my toilet intermittently run continually?

I've pretty much fixed up my bathroom since moving in. The last bit of annoyance now is this: Not every time, but every 10 or so flushes, my toilet will run continually. It'll sound like it's water ...
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  • 1,409
10 votes
3 answers
15k views

How should I address my bathroom's flickering lights and GFCI tripping mysteriously? (Schematic included.)

So I inherited a bit of a nightmare for wiring in my bathroom. I'll be calling in an electrician, but wanted to have an understanding of the problem first, as not to be ripped off, lead astray, etc.. ...
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  • 5,005
6 votes
4 answers
282k views

How soon can I use my shower that I recently grouted and tiled? Should it cure first?

We have been retiling my tub surround area and finished grouting the tile last night. I used non-sanded PolyBlend grout (sold at Home Depot) and added a bottle of Grout Boost Advanced Pro. Everything ...
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  • 1,363
3 votes
2 answers
46k views

How many receptacles can I place on a 20 ampere 120 volt breaker?

How many receptacles can I place on a 20 amp breaker if it's a 120 volt circuit? How many on a 15 amp circuit? I'm trying some DIY on my bathroom and bedroom. Help would be appreciated.
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  • 31
24 votes
4 answers
261k views

Does a bathroom exhaust fan have to vent to the outside?

Is it normal and/or code compliant to have a bathroom exhaust fan venting to the attic? I've seen this a couple times now, and the first time I saw this I thought it was very odd. But I mentioned ...
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11 votes
7 answers
239k views

Sink tailpiece doesn't line up with trap

After installing a new bathroom sink, the drain tailpiece doesn't line up with the trap coming out of the wall. I've seen flexible accordion hoses for this, but I think that violates code (P3002.3.1)....
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  • 428
10 votes
1 answer
13k views

How much vent fan throughput do I need for my bathroom?

What minimum size (CFM) vent fan do I need per cubic foot of bathroom? Consider a bathroom that is 10ft. X 4ft. X 6ft(height). What is the minimum throughput rating for a vent fan? I want a vent fan ...
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  • 1,027
6 votes
3 answers
38k views

What kind of wall material should be used in wet areas in a bathroom?

I'm replacing a one piece fiberglass tub with a two piece (tub + surround) unit. In the bathroom right now, there's just drywall, no special material. Should I replace the drywall with greenboard, ...
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6 votes
1 answer
9k views

Should I use caulk or grout between the edge of a tiled bathroom floor and the walls?

I just tiled my bathroom floor. What should I put between the tiles and the walls, silicone or grout?
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  • 61
5 votes
2 answers
30k views

In what year did venting bathroom exhaust out of the house become a code requirement?

what was the year for code for vented bathroom exhaust fan? What is the code for vented bathroom exhaust fan?
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4 votes
3 answers
160k views

What is the best way to repair a cracked bathtub?

Close examination of the floor of my bathtub has revealed a long, thin crack in the bathtub itself. The bathtub is one of the common plastic-feeling variety (though I am not sure if it is actually a ...
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3 votes
2 answers
2k views

Silicone caulk for shower and tub?

I am about to seal the gap between my tub and the wall tile with caulk (it was originally grout which cracked so I chiseled out what I could). I was planning to use silicone caulk (GE II), but a ...
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  • 409
1 vote
5 answers
20k views

How can I wire an exhaust fan to turn on from multiple locations?

I just bought a Panasonic FV-20NLF1 inline bath exhaust fan that I planned to used to exhaust 2 different bathrooms. I want each bathroom light switch to control the fan, so when the lighting turns ...
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  • 11
8 votes
2 answers
97k views

Is 20 feet too long to run bathroom fan duct for 100cfm fan?

I need to run about 20 feet of duct to reach the gable, I don't want to go through the roof unless I absolutely need to, I live in Vermont and we can get a lot of snow build up on the roof, I also ...
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12 votes
7 answers
88k views

How can I sound proof bathroom walls?

I'm trying to figure out the best, least intrusive way of sound proofing the walls of a bathroom. The bathroom shares a wall with my bedroom, and my 3 yea old's bedroom. The main problem is the sound ...
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  • 756
10 votes
2 answers
27k views

What are my options for venting a bathroom exhaust fan?

I would like to install a fan in our bathroom which currently has none. However, I'm very confused regarding the best approach for this. Above the bathroom is an attic space. I have read that ...
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  • 571
14 votes
1 answer
18k views

Can a GFCI receptacle protect other receptacles?

My contractor has wired one GFCI receptacle in the main bathroom on the same circuit as a normal receptacle in our en-suite bathroom (it is less than a foot from the sink). he says that since they are ...
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  • 141
9 votes
3 answers
38k views

Why is water leaking near my bathroom's exhaust fan?

This weekend when the snow started melting on my roof, I noticed a small water spot developing around all three bathroom exhaust fans in my house. I'm guessing the water leaked in around the exhaust ...
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  • 2,454
7 votes
1 answer
23k views

Is it better to vent a bathroom fan out the soffit, the side of the house, or the roof?

Working on a friend's house, we're installing a bathroom fan. He had planned to vent the fan out the closest soffit, which is only a few feet away. I'm trying to persuade him to vent it out the roof ...
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  • 7,715
5 votes
1 answer
36k views

How to fix a bathtub faucet that leaks only when the shower runs?

I just moved into an apartment and the faucet in the tub is fine when all of the water is off. It leaks when I turn on the water and switch it to the shower head. What could be the problem? It's a ...
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  • 4,282
3 votes
4 answers
44k views

Correct order of operations for caulking + sealing bathroom tile?

Around my bathtub I have tile, and the old latex caulk where the tub and tile meet is cracked so I've removed all the caulk and am ready to put new silicone caulk down. However, I would also like to ...
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  • 435
10 votes
3 answers
15k views

How do I fill in around waste pipes?

Broke the concrete in my basement to run new pipes for the basement bathroom. The plumber put sand under the pipes to support them at the correct angle. I asked him not to glue the vertical sections ...
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  • 2,226
7 votes
4 answers
62k views

Why are there bubbles in my bathroom toilet and sink?

I have had a lot of really odd things happen in my bathroom this weekend and I want to make sure it is nothing too serious. Ok so when I was taking a shower I heard the toilet bubble up. A few ...
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6 votes
5 answers
22k views

How do I install this wall mount bathroom sink?

I'm replacing a sink that was on a vanity cabinet and hoping to do as little busting through the perfectly good tile as possible. I heard a rumor that I need to make very sure that the sink is ...
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  • 1,038
4 votes
1 answer
17k views

Do all conductors on a 20-amp circuit need to be 12 AWG?

I'm rewiring a bathroom, and will install a GFCI receptacle on a 20 amp circuit breaker (dedicated to the bathroom only). I am also going to have a fan and vanity light on the same circuit, ...
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4 votes
3 answers
24k views

Decipher my bathroom rough in

Can someone help me decipher this picture? When I had the house built, the builder roughed in a bathroom for later use. The pipes in this picture are A 2" pipe, possible a vent with a T connector (...
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3 votes
3 answers
9k views

Shower Light connected to bathroom ventilation fan. Does it need GFCI?

I am going to attempt to make this as clear as possible. In my bathroom, there is a switch that directly controls only the bathroom ventilation fan. I would like to add a recessed light over the ...
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3 votes
1 answer
80 views

How do I loosen nuts on bottom side of faucet are connected to each other

I am replacing a 4-inch spread faucet. The hot and cold water taps each have a big brass nut threaded under the sink (in addition to the basin nuts). These nuts are connected to each other by ...
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3 votes
2 answers
79k views

How should I waterproof an upstairs bathroom floor?

I'm adding on a bathroom upstairs. My question is what precautions should I take to waterproof it. I'll have new copper, PVC drains and the floor itself I'm worried about. It's sitting half above a ...
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  • 459
2 votes
3 answers
4k views

Building on top of 3/4'' plywood subfloor

I want to build this: http://www.mrmoneymustache.com/2012/12/21/how-to-make-a-relatively-sweet-shower-cheap/ and I'm building in my basement bathroom: on top of the foundation I have 2x4 (horizontal) ...
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  • 741
2 votes
1 answer
654 views

How can I get the sink trap to clear the drawer under my bathroom sink?

Is there a better solution to a P-Trap? We have installed a new vanity only to find that the drawer contacts the p-trap. The vanity has 3 drawers. The top one is built in a "u-shape" and ...
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  • 353
1 vote
3 answers
7k views

What is the best way to repair and prevent cracking grout in a shower stall?

The grout in my main shower has developed cracks. They started small but over time they have grown and there are actual crevices in the grout. I've been using my guest shower so as to not cause mold ...
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  • 475
0 votes
2 answers
2k views

How to deal with this water damage

I finally determined the source of the leak (How to start investigating the source of this leak in the bathroom), but now I am stuck with dealing with the water damage. It turns out that the water ...
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8 votes
4 answers
145k views

What's the recommended order for completing these bathroom remodel tasks?

I realize that this question is similar to What is the order of tasks when refitting a bathroom? but since I have some different projects, I thought it would be appropriate to ask in a separate ...
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  • 7,831
17 votes
3 answers
377k views

What would cause air bubbles in the toilet when I'm showering?

My basement bathroom has recently been remodeled, everything was working fine for a few weeks, but now all of a sudden I am hearing bubbles in the toilet when I shower, at which point the shower drain ...
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  • 171
16 votes
5 answers
24k views

Why are all towel bars 24 inch? With studs being 16 inches apart - how do people mount them?

I want to install a towel bar in my bathrooms - and I went to Home Depot to get one - but all of their towel bars were 24 inch... This to me is weird. Do all people just mount their towel bars to a ...
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  • 664
15 votes
4 answers
14k views

Is there a device that will allow a bathroom fan to run for 5 minutes after it is switched off?

There is one switch that controls the lights and fan in the bathroom. Users turn the light/fan on when they enter, and off when they leave. I'd like for the bathroom fan to run for a time after they ...
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  • 3,223
14 votes
4 answers
14k views

How can I speed up the removal of stubborn tile?

I am trying to remove tile from the bathroom floor. It was installed in the 70s, and the pieces are tiny, 1 in x 1 in. I've been hammering away but they're not coming up very easily. Is there a ...
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  • 141
9 votes
7 answers
6k views

How do I remove hard deposits from my glass shower door?

I have a problem with regards to my frameless glass shower door because I don't usually clean it regularly. What happens is that the lower edge of the glass door is already very cloudy and is very ...
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  • 91
8 votes
5 answers
177k views

Water from bathroom faucet smells like rotten eggs

The sink is in the powder room on the main floor of our house. When I turn the water on it is fine for a few seconds then it smells horribly for about 3-4 more seconds then it is back to normal. It is ...
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  • 81
6 votes
2 answers
5k views

How to best keep floor vent by shower dry/mold free?

We just moved into a rental home. It turned out after living there for a few weeks that we discovered the vents were innudated with mold. They were so bad the landlord had to replace all the vents in ...
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  • 1,367
20 votes
7 answers
31k views

How do I mount this towel rack that was ripped off the wall?

Hi one of my tenants sent me a pictures of my broken towel rack. What would be the most cost effective fix?
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11 votes
7 answers
98k views

Why does my shower switch keep burning out?

I have a Mira Shower 10.8 kW. My switch is a 45A switch. I have a 50A fuse for the shower. The shower uses 10mm2 cable. 9 months ago the switch sparked and refused to turn off and the fuse tripped....
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  • 213
11 votes
3 answers
32k views

How can I remove stuck anti-vandal rings in tap head?

Most of the taps in my new house are fitted with so-called "anti-vandal" screws in the tap heads, as shown in the image. These screw into the tap head to tighten them onto the stem. I can't ...
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  • 220
9 votes
10 answers
19k views

How common are wet rooms in the US?

I have a half bath to which I'd like to add a shower. It is quite small; currently, the smallest shower pan I've found (32"x32") is too large to fit. I've considered turning the entire room into a '...
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  • 681
8 votes
7 answers
134k views

How do I retrieve a detached plunger from a bathtub drain?

I have an old bathtub drain assembly that is similar to this: As far as I can tell, the linkage broke off completely due to old age. If I unscrew the trip lever and cover, it's not attached to ...
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  • 7,831
8 votes
3 answers
15k views

Bathroom vent terminates to attic not outside.

Bathroom vents terminates to attic. The Inspector recommended that it terminates to the outside. What is the best way to do this. Should I just place the bathroom vent next to the roof vent opening.
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  • 575
7 votes
4 answers
86k views

What height should bathroom receptacle be off the ground?

I am doing the rough-in electrical in my bathroom gut. I want to put a few receptacles (outlets) above the vanity. Is there a standard height I should be installing the receptacle? I don't have a ...
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  • 5,195