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https://www.askthetrades.co.uk/cgi-bin/yabb/YaBB.pl DIY Forum >> Plumbing Questions >> bathroom units https://www.askthetrades.co.uk/cgi-bin/yabb/YaBB.pl?num=1109180279 Message started by WJOHNM on Feb 23^rd, 2005, 5:37pm

Title: bathroom units
Post by WJOHNM on Feb 23^rd, 2005, 5:37pm

any tips on fitting bathroom units?
what type of waste to use,
can the waste/pipework be concealed behind back of unit?
do you fit units and worktop then cut for sink?
any help would be great.
i have a 300 unit/600 inset sink/300unit
cheers john

Title: Re: bathroom units
Post by jasonB on Feb 23^rd, 2005, 5:46pm

They usually have a very high plinth/skirting so all the pipes can run behind that. Also usually enough room for 15mm feeds behind backs but not always deep enough for waste pipe

Fit units, scribe/joint WT, offer up basin & mark, cut out as required, fix top. Most semi countertop basins come with a template so you should be OK.

Jason

Title: Re: bathroom units
Post by WJOHNM on Feb 23^rd, 2005, 6:07pm

there is 80mm space behind units,
i got my units from wickes :-[
the reason for this is the plinths were only 4inches.
everywhere else were 10 inches.
i saw that as a waste of 6 inches of usable space.
all pipes are going directly below,
from the top of worktop to back of unit is 280mm.the sink sits 200mm below.
so i am looking for a waste that will take me back to the wall within 80mm,
if this makes any sense
cheers john

Title: Re: bathroom units
Post by jasonB on Feb 23^rd, 2005, 6:18pm

I usually use a bottle trap, watch the diameter as it can get quite close to the back face of the front panel.

A "P" trap will be slimmerand you can have the "U" part parallel to the wall before turning back if that makes sence.

Jason