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Old 10-24-2021, 10:06 AM   #1
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Medicine cabinet?

I'm considering taking down the mirror over the vanity in the bathroom, and replacing it with a medicine cabinet. I would prefer that it be recessed, but not sure what can of worms I would open if I started digging in the wall, and if it would even be worth doing. Has anyone done this kind of mod?

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Old 10-24-2021, 12:02 PM   #2
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Walls are super thin. Maybe 2". Just find a thin cabinet.
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Old 10-24-2021, 01:11 PM   #3
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Are you looking for a cabinet so you have the door and shelfs to store things. Most wall are thin as Fiesta48 mentioned. Somthing like 2 inchs. If they are thicker u ou mostlikly have a sliding door, pluming vent or electrical wires, etc..
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Old 10-24-2021, 01:45 PM   #4
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Agreed , the walls are not thick enough to recess a medicine cabinet .

We did install a surface mount cabinet over the bathroom vanity .

To remove the existing mirror is a bit if a challenge . Ours was liberally attached with silicone . To remove it I used a length of SS Safety wire with bolts as T handles at both ends . Then using the wire , starting at the top of the mirror , starting a back and forth sawing action , slicing through the silicone .

It was a slow , laborious project , but it got the mirror off the wall without damaging the wall finish.

For the medicine cabinet , we found one with a plywood back , not fiberboard .

I attached it to the wall with the High Strength 3M double sided tape and 4 screws , 1 in each corner .

Be sure to clean both surfaces with isopropyl alcohol before attaching the tape . Predrill the back of cabinet for the screws . The screws are for holding the cabinet until the tape reaches strength .

I found the mirror had loosened the cabinet door frame from the bouncing while driving. So , I ran a bead of silicone on the backside of the cabinet door , where the mirror attaches to the door frame . Let it set-up and has held for the last 2 years.

On the inside of the cabinet , I glued the shelf support tabs into the holes . We had the tabs vibrate out and the shelve's fall out .

Also installed 2 magnetic door catches , 1 on top and 1 on bottom of cabinet door to hold closed .

It was definitely worth all the work .
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Old 10-24-2021, 03:04 PM   #5
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I did as Bill Gail with the fastening system different. I used 1/8" hollow wall anchors and bolts to attach the surface-mount cabinet.
Mine mounted to an interior wall that contains a sliding pocket door so I had to expand the anchor then cut off the bolt to minimum length required to enter full threads into the anchors.

I have used these hollow wall anchors in exterior walls without any downside using the same method.

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Old 11-02-2021, 05:21 PM   #6
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Medicine cabinet.

I built my own cabinet and left the mirror on the wall. I just screwed some 3/4" blocks around the mirror. I took the frame off first. I made a simple box and screwed it to the 3/4 blocks. I used a piano hinge to mount the frame and mirror to the cabinet. It is a little odd to open the cabinet and see a mirror behind our stuff but I did not want to mess with taking it off. Had I known about the wire trick I would have removed the mirror.

Side note! The towel ring is a little tight for the door to swing so I added a chain to keep it from impacting on the ring.

Hope this helps.
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Old 11-03-2021, 06:57 AM   #7
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Originally Posted by INSPECTORBOB View Post
I'm considering taking down the mirror over the vanity in the bathroom, and replacing it with a medicine cabinet. I would prefer that it be recessed, but not sure what can of worms I would open if I started digging in the wall, and if it would even be worth doing. Has anyone done this kind of mod?

2000 Itasca Suncruiser 35U

On the 35U the bathroom mirror is mounted on an outside wall which is less than 2" thick, of which you can loosely verify by measuring the thickness of your window frames, so you should not try to recess anything into it therefore surface mount is the only safe option. That is why all the outlets and switches are surface mounted on plaques and not fully recessed. With the huge 3 door medicine cabinet to the left of the sink running from the inside wall over the toilet to the outside wall I've not found a need for an second medicine cabinet over the sink which would interfere with fully opening the far right hand door on the existing medicine cabinet.

Yes huge can of worms with the potential to cause a big bubble in the outside wall or having a hole blown though to the outside.
Neil V
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Old 11-03-2021, 09:04 AM   #8
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As noted, the walls are super thin, and a cabinet cannot be recessed. On our previous Carriage Cameo, I mounted a medicine cabinet on the wall after removing the mirror. It worked fine for us.

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