Cultured Stone 45 Degree Corners

supra88

How do you guys recommend joining cultured stone on a 45 degree angle? This is on a fireplace application that has 45 degree angles back to the intersecting wall. Cut to a butt joint?

loneframer

Pick some of the longer stones, pick a point and miter them back at opposing 22.5 degree angles. Butt them tight with some adhesive. Quality cuts should be fairly convincing that they are one piece.

Tscarborough

It depends upon the stone. Which one is it.

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TimelessQuality

Gee T, he done told us it's the 'cultured' one

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supra88

This is what a contractor is proposing. To me this looks bad. Your thoughts?

Attached Images

 

Tscarborough

That is about as good as you are going to get on a 45 with faux stone.

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CR2

I agree, nothing wrong with this job, as good as it gets, but if you think it looks bad, what's your idea to make it look better, maybe we learn something today, I just don't buy the mitter and glue method, there's no way to get rid of the vertical joint, maybe I'm wrong.
Regards!

tkle

Pretty hard to get away from. You can cut just one side to fit the other alternating your cuts. That will break it up slightly. With some stone it works. With others it looks like crap.

supra88

What if alternating mitre cuts were made on each row to reduce the appearance of a straight line. Or is this going to make the appearance look more artificial and is create a ton of work. Would any of you make cuts or just butt the "stones" up to each other leaving a gap? Does $800 seem reasonable for labor on a job like this? My fireplace is just like the one in the picture, not quite as tall (about 70 sq. ft). Overall they want $1,750 including a floor hearth.

Thanks for everyone's input.

6stringmason

I wouldnt do it for $800. But thats me. I'd probably get about $1500 to $1750 for something like that. Just for labor mind you.


I did a fireplace like that a while back. It was dry stacked and turned out pretty nice. I cut each 45 on the saw and ran a straight line up the corners. If you do it right you wont see the cuts and it will look good.

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Tscarborough

I have wasted a lot of faux stone trying to determine a way to do decent 45s. As it stands, one of the first questions I ask is, "are there any 45 degree corners", and if the answer is yes, then I push them to adhered real stone, as it can be worked a LITTLE bit better to eliminate the joint line. I still charge a lot more to mess with it, though, enough that no one has taken me up on doing it.

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loneframer

Sounds fair for this area, are they doing all prep? Wire and scratch? Wire and no scratch?

supra88

They quoted to do the complete job, I assumed they would do the scratch coat.

Does it look like any miter cuts were made in the posted picture?

loneframer

Looks like all factory edges to me, any cuts will show the base color and not the applied stone simulation process. Try the double 22.5 degree method if you can get a couple loose pieces from the supplier. I would try it on a bridge type tilesaw.

jciotti7

Tuff to make it look real but I've had my best results alternating butt joints. The type of stone matters a lot.

jciotti7

Just saw the picture. For each opposing butt stones they have to be the same width; then with alternating joimts you'll break up the verticle better.

stonelayer

Overlap stone past corner of angle the thickness of stone that will be on other side of angle interlocking just as you would a inset coner as you go up if you are going to use a stockstone. Keep this overlap the same distance all the way up the wall. when you get finished you will have a straight 45 degree corner straight up the wall full of stone that will also make your price worth it.

Tscarborough

You will also have a big ass gap at every joint.

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loneframer

Try the double 22.5 cuts on a bridge tilesaw. The cut will be tighter and cleaner than any other option. The stone will be the same width and color on both sides because it is the same stone. It won't be invisible but it will look better than any option I have seen so far. It will be time consuming, but thats what seperates perfection from production.
I know I'm not a stonemason,but if you check my profile, I've been around the block, and have seen some creative stuff.

stonelayer

He may have a big ass gap at every joint , he has already asked if 800 is reasonable labor for this job.