Tape marks and metal pins sticking out from cantilever coping.

magicman

Member
Apr 18, 2018
12
Lakewood, OH
We’re (finally) at the end of our pool construction. It’s been slow going, but overall I’m pretty happy with the construction. Equipment pad is a little funky in terms of where the outlets were placed, but whatever...

They finished pouring the deck and cantilever coping. They used the styrofoam molds with pins and plumb strip. They came back to remove them the next day and it generally looks pretty good, but the sharp ends of the pins stick out in places and you can see the tape marks at the seems. It’s also not smooth around the perimeter, there are horizontal “lines” around the perimeter, I suspect from the molds.

Based on my research, they should have pulled the forms while the cement was still slightly wet and worked it to smooth the edge. They should have carried the relief joints down as well.

I haven’t brought this up to my builder, yet, because I wanted to get some opinions. Perhaps he is already planning on “finishing” it. I plan on asking tomorrow..

My question: Can the coping be smoothed out using a rub brick or angle grinder? Can we flatten/smooth the pins with that and then possibly use mastic or something else to fill the pin holes and any depressions?

Not looking for perfection, but the seams bother me.

Also, does anything need to be done with the plumb strip? Leave it? Cut it off?

Photos of the worst areas attached.
 

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bdavis466

TFP Expert
Platinum Supporter
Aug 4, 2014
4,915
San Clemente, CA
There was another one of these posts the other day...I wonder if the same contractor did it :scratch:

Yours looks better than his but that's not saying much. That work is sloppy and unacceptable
 
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magicman

Member
Apr 18, 2018
12
Lakewood, OH
Thanks for confirming my concerns. Do you think it can be cosmetically corrected? I would really hate to tear it all out if there are other options.
 

ajw22

Gold Supporter
TFP Guide
Jul 21, 2013
8,822
Northern NJ
Thanks for confirming my concerns. Do you think it can be cosmetically corrected? I would really hate to tear it all out if there are other options.
He can try grinding areas to smooth it. See how well that looks before you rip it out.

Tarp your pool as grinding will drop a big mess in your water which will be tough to filter and clear. Try and keep as much concrete dust as possible out of the water.
 

jimmythegreek

Bronze Supporter
TFP Guide
Aug 10, 2017
1,158
Morris Cnty NJ
No way to fix other than patch and use a cool deck type product. There is no way to leave the forms on it doesn't work like that. As you stated they pull forms and work the edge. The control joints are fine not all the way down but it's nice to run a line a foot back from coping to make coping look like pieces and use offset control lines in there. Not horrible overall but this was easy to do right they were 90% there already. I dont get why people do this
 

ff2014

Member
Feb 11, 2019
5
California
There was another one of these posts the other day...I wonder if the same contractor did it :scratch:

Yours looks better than his but that's not saying much. That work is sloppy and unacceptable
That was me. The concrete contractor is coming tomorrow to "fix" the issues. I'll post an update in case it's helpful to the OP and others.
 

jimmythegreek

Bronze Supporter
TFP Guide
Aug 10, 2017
1,158
Morris Cnty NJ
hes likely gonna mix a small batch of top dressing and try to fade those spots out. Problem is they wont last and will fail leaving you in the same spot. Dont settle if this is gonna drive you crazy down the road
 

magicman

Member
Apr 18, 2018
12
Lakewood, OH
I think I can live with it if they were able to smooth out the tape marks a bit, because it generally looks pretty good other that.

Do you think cutting control joints (so they continue down) is worth the risk of causing damage to the coping / pool?