Bathroom sink

When replacing the entry half bath I noticed that the toilet wasn’t centered. Supposedly this is to make the room look bigger. I don’t know about that, but things not being centered or aligned bothers me, so I wasn’t sure what to do. I decided in the end that the vanity doors should be aligned with the toilet and a cubby would be put to one side for TP and such.

The toilet is not centered on the wall.

The toilet is not centered on the wall.

But then I wasn’t sure about the sink. Eventually I concluded that I could just put in an asymmetric sink, and drew one up.

I don’t know where one would buy a sink like this, so I figured I would just make it.

I started with a rough block.

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FOAM!

Then I gradually smoothed it out by sanding and adding joint compound. You have to let the joint compound dry for about a day between “coats” so it took quite a bit of time.

Three different stages of smoothing.

Three different stages of smoothing.

Then it is time to pour the cement. I did two layers, a lighter than a darker one. I don’t have any in progress photos because the limited work time means that you can’t stop to take photos.

Can you spot some problems?

Can you spot some problems?

I didn’t attach the back part well and it bowed out, but there was nothing I could do at that point. Then, I had to wait a week before I could see how much my mistake cost me.

I don’t like waiting.

Not perfect but might work!

Not perfect but might work!

The top has some blemishes where the second layer bled through after the back fell off, but it doesn’t look too bad.

I can see some sink!!

I can see some sink!!

Such suspense!

Most of the plaster removed and faucet test fitted.

Most of the plaster removed and faucet test fitted.

Now I need to make sure it fits in the bathroom!

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Test fitting in the bathroom.

Looks good, but I need to trim the back off using an angle grinder and cut a bit more out of the side of the cabinet.
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Excellent, it is finally in place.

Unfortunately, there is another problem caused by the back falling out. I wasn’t able to vibrate the concrete to get air bubbles out. Every shake just made more cement fall out the back.

 

The air bubbles are easiest to see in this image from when it first came out of the mold.

The air bubbles are easiest to see in this image from when it first came out of the mold.

The good news is that cement can be patched, although it isn’t going to have the same clean look and it takes extra work. The next step is to finish patching holes and seal it.

Once the sink is sealed, hook up the plumbing and….

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YAY!!!

A “finished” sink. The vanity still needs to be finished, but at least there is a sink.

Conclusions

  • Going in, one of my biggest concerns was doing the dual tone pour, but it doesn’t seem to have cause any issues. I also mixed some white grout in with the top part because I couldn’t find white cement, but that didn’t seem to be a problem either.
  • The back of the form fell off, and caused almost all of the issues. I would make sure it was a lot sturdier in the future. Interestingly, the foam parts of the foam that I screwed together held up fine, it was the back part that I didn’t screw in properly. which caused the issue.
  • I didn’t make the proper recess for the drain, and as a result a bit of water is caught around where the drain grate sticks out. I remember thinking about this before I started making the form, but I guess I forgot? I could probably grind down the hole, but I think I can live with it the way it is for now.
  • The faucet and the sink hole aren’t aligned and that bothers me. I should have spent more time designing the form.

One last thing, I need to give a “shout out” to Snappy trap which achieved the nigh impossible feat of making me satisfied with a product. My new sink drain was not in the same location as the old one, and there was no easy way to hook it up, luckily the snappy trap flexible drain kit made it easy and came with all the needed parts including multiple different adapters.  10/10 would recommend

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