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Finishing basement/plumbing questions jfalken 07-15-2005
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Posted by on July 15, 2005, 6:36 am


I have a basement that has the rough-in for a bathroom. I am looking
to finish it and have a few questions. I understand the Toilet flange
mount point/wall needs. However, based on the drawing below(not to
scale), I am wondering:

http://members.socket.net/~jfalken/img/plumbwall.jpg

1. The roughin is I believe 2" PVC. Can I tie in the three sinks you
see in the picture to the one drain/vent? Will this work or do I need
a separate vent for each sink?

2. The dotted line represents the proposed horizontal run. As long as
I keep the pipe sloping downward to the rough-in, can I make the 90
deg. turn?

3. It is a deep pour basement, so I have to use 10' lumber. Due to the
cost, I don't want to overbuy/build. With the pipe(dotted line)
running through it, do these walls need to be 2x4, 2x6, or double 2x4
with the pipe running in between? If I do go with something over
single 2x4, how do you handle the door jam thickness? Most pre-hung
doors seem to have thinner than 6" jams.

4. I have a stub for the shower. I want to do the walls in ceramic. I
am going back and forth between prefab fiberglass shower pan and doing
a mortar bed/freeform shower base. Is the mortar bed style way over
the head of a pretty handy homeowner?

Thanks for your help. I'm hoping to start this this weekend, so wish
me luck!



Posted by G Henslee on July 15, 2005, 7:09 am


jfalken@socket.net wrote:
> I have a basement that has the rough-in for a bathroom. I am looking
> to finish it and have a few questions.
>
> 4. I have a stub for the shower. I want to do the walls in ceramic. I
> am going back and forth between prefab fiberglass shower pan and doing
> a mortar bed/freeform shower base. Is the mortar bed style way over
> the head of a pretty handy homeowner?
>

Not really but some can and some can't.
http://www.ontariotile.com/preslope.html


Posted by No on July 15, 2005, 3:26 pm


I consider myself very handy and I am willing to tackle just about any home
project myself. This is one I cannot see myself doing. There are so many
decent prefab pans out there that this just isn't worth it unless you are
doing a very large shower.

here are some fiberglass ones, lots of sizes.
http://www.lascobathware.com/pans_lascoat.htm Fiberglass can be made to feel
more sturdy by setting it into a mortar bed.

Here are some solid surface shower pans. This company says they can make
custom sizes as well
http://www.royalstoneind.com/products_Shower_Layout.asp

And here is one in granite, wow.
http://www.dresendesign.com/cgi-bin/cart2/display.cgi?cat1=2 (scroll down.)



> jfalken@socket.net wrote:
>> I have a basement that has the rough-in for a bathroom. I am looking
>> to finish it and have a few questions. 4. I have a stub for the shower.
>> I want to do the walls in ceramic. I
>> am going back and forth between prefab fiberglass shower pan and doing
>> a mortar bed/freeform shower base. Is the mortar bed style way over
>> the head of a pretty handy homeowner?
>>
>
> Not really but some can and some can't.
> http://www.ontariotile.com/preslope.html




Posted by No on July 15, 2005, 9:57 am


Wow - Lots of questions. First suggestion, get a couple of books on subjects
you have questions about. There is an e-book on basements on the net that
has some nice design ideas and general questions.
http://www.basementideas.com/download_page.php I aid $14 for the 'full'
version. Its not too bad, had some good ideas plus I got the instant
satisfaction of having the book w/o getting off my arse to go to the store!

I'll comment on your questions inline below...

>I have a basement that has the rough-in for a bathroom. I am looking
> to finish it and have a few questions. I understand the Toilet flange
> mount point/wall needs. However, based on the drawing below(not to
> scale), I am wondering:
>
> http://members.socket.net/~jfalken/img/plumbwall.jpg
>
> 1. The roughin is I believe 2" PVC. Can I tie in the three sinks you
> see in the picture to the one drain/vent? Will this work or do I need
> a separate vent for each sink?

Check your plumbing book for that one. Others may have some thoughts....

>
> 2. The dotted line represents the proposed horizontal run. As long as
> I keep the pipe sloping downward to the rough-in, can I make the 90
> deg. turn?

Yes just do not loose the slope. If you can get a sweep 90 in there its not
as tight of a turn, it will depend on your construction details.

>
> 3. It is a deep pour basement, so I have to use 10' lumber. Due to the
> cost, I don't want to overbuy/build. With the pipe(dotted line)
> running through it, do these walls need to be 2x4, 2x6, or double 2x4
> with the pipe running in between? If I do go with something over
> single 2x4, how do you handle the door jam thickness? Most pre-hung
> doors seem to have thinner than 6" jams.

Deep pour basement is very nice! Good job on that one. In a non load bearing
wall if you are just running 1 1/2" drain you can jst use 2x4s IMO.

If you go to 2x6 for your wet walls and you have a door in them you will
either
1) Order prehung doors with jambs for 2x6 construction or
2) Build jamb extensions or
3) No not use pre-hung doors and build you own jambs.

#1 is easiest, #2 is cheapest but a bit of work, #3 is hardest and
relatively cheap.

>
> 4. I have a stub for the shower. I want to do the walls in ceramic. I
> am going back and forth between prefab fiberglass shower pan and doing
> a mortar bed/freeform shower base. Is the mortar bed style way over
> the head of a pretty handy homeowner?

I think it is. You can get the shower bases in some nice materials if you
shop around. Do not accept just the limited options at the blue and orange
stores.

Keep in mind the shower doors in your design. I built a shower that required
custom doors. It added a lot of cost (Doors cost $2K versus a couple
hundred) but looked very cool when done.

>
> Thanks for your help. I'm hoping to start this this weekend, so wish
> me luck!
>

Good luck - I am starting mine very soon too! Where are you located?




Posted by Rick on July 15, 2005, 2:04 pm



> I have a basement that has the rough-in for a bathroom. I am
looking
> to finish it and have a few questions. I understand the Toilet
flange
> mount point/wall needs. However, based on the drawing below(not to
> scale), I am wondering:
>
> http://members.socket.net/~jfalken/img/plumbwall.jpg
>
> 1. The roughin is I believe 2" PVC. Can I tie in the three sinks
you
> see in the picture to the one drain/vent? Will this work or do I
need
> a separate vent for each sink?

Yes, you can tie the vents together

> 2. The dotted line represents the proposed horizontal run. As long
as
> I keep the pipe sloping downward to the rough-in, can I make the 90
> deg. turn?

Yes, just keep the horizontal runs at least 6 inches above the flood
rim of the sinks
They're vents, so slope in the right direction

> 3. It is a deep pour basement, so I have to use 10' lumber. Due to
the
> cost, I don't want to overbuy/build. With the pipe(dotted line)
> running through it, do these walls need to be 2x4, 2x6, or double
2x4
> with the pipe running in between? If I do go with something over
> single 2x4, how do you handle the door jam thickness? Most pre-hung
> doors seem to have thinner than 6" jams.

You can get 5-1/4 inch jambs for plaster walls (or make your own).
What kind of (and how high) ceiling are you going to have? Just run
the vents up normal 2X4 stud cavities then go horizontal above it...

>
> 4. I have a stub for the shower. I want to do the walls in ceramic.
I
> am going back and forth between prefab fiberglass shower pan and
doing
> a mortar bed/freeform shower base. Is the mortar bed style way over
> the head of a pretty handy homeowner?

Maybe, but get a few books and judge for yourself. Lots of new
materials out there these days...

> Thanks for your help. I'm hoping to start this this weekend, so
wish
> me luck!
>




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