Now that is some VERY pretty tile!!!! Does it look as good up close as it does in the pics?? What color did you pick?
We're not going to be able to tell from the pic's, as your camera lens could be playing tricks. I take it your 4' level was too long? You can still use it. Instead of placing it on top of the spill way, hold it up against the wall, inside and outside, and bring it right up to the edge. You can check the level of the spillway, and how straight it is.
Here's a trick to make sure your level is accurate. Note the exact position of the bubble when held up to the edge of the spillway. Then flip the level over (vertically), check again. Then rotate the level (horizontally, parallel to the earth), check again. The flip the level over (vertically) again. If the bubble is in the same exact spot every time, even if not centered, you have an accurate level. If the bubble settles in a different place each time, then your level is not calibrated correctly. This is how you check a level when you don't have a known perfectly level surface to test it on.
Yes it was too long as our spillway is 3 ft. When my husband gets back tomorrow I will have him take another look and try your suggestion. In person it does look like the middle is a little higher but I don't know if that is enough to affect how the water flows over it. Thanks for your help!
Any amount of unevenness or out of level will affect the flow over it. But by what amount is what's in question. Your spillway could be seriously out of whack, and with enough water running over it still look fine. It's when you turn it down that this becomes an issue.
If you know you're only going to be running your waterfall at full speed, then it can be off by quite a bit and still look fine. I just know, if I had one, I'd want at least a few settings:
- Off, to heat the spa,
- high for maximum waterfall affect,
- medium for normal circulation, and
- low for a little background ambiance while snoozing at the pool, or while sitting around chatting with someone when I don't need Niagra Falls roaring a few feet away.
I'd want my spillway to look perfect in all modes, and not be forced to keep it on high just to mask some poor workmanship. I'm sure every builder can site a different tolerance for what is considered acceptable. But, IMO, since it can be just about perfect, it should be just about perfect, as it is just a matter of skill and effort applied during installation.
Since I don't have one, I can't give you what I would consider an acceptable tolerance range. Maybe someone else here, with a spillway, can weigh in on this subject...