Fiberglass / Coping Issue

Poolguy2021

Member
Jun 2, 2021
21
Canada
We installed our fiberglass pool in 2020. We are not happy with the coping and wanted to see what people would suggest we can do to smooth out the rough parts (where pool wall meets the coping). One proposal is to parge it somehow using a special compound.

Second to that, our hot tub section has a crack as per the image that we just found in May (yellow paper on image shows where crack is).

It will now need to be covered with pavers as the surface crack is not covered by warranty.

Nobody told us that it is recommended that the hot tub surface area should be covered with pavers/concrete as well. Any thoughts on either on these and how to best have it fixed?

Do we ask the coping to be ripped out to be uniform with the hot tub section?

Please feel free to give any ideas.
 

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Texas Splash

Mod Squad
TFP Expert
LifeTime Supporter
Jun 22, 2014
33,366
Texas, San Antonio/Marion, South-Central Area
Pool Size
17888
Surface
Fiberglass
Chlorine
Salt Water Generator
SWG Type
CircuPool RJ-45 Plus
Welcome to TFP! :wave: I suppose there is more than one way to do all you are requesting. I have a similar mortar applied where the pool lip and coping meet, but it's push inwards a little bit more and troweled flush and smooth. My pool build in my signature. I suppose that if that mortar was cut out of there, other products besides mortar are available that could be used depending on on that gap. For the spa, if the fiberglass crack deep and long I'm assuming a structural repair is required first huh? If it is only cosmetic, then whatever coping you chose will simply cover the crack from above right?
 
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Poolguy2021

Member
Jun 2, 2021
21
Canada
Welcome to TFP! :wave: I suppose there is more than one way to do all you are requesting. I have a similar mortar applied where the pool lip and coping meet, but it's push inwards a little bit more and troweled flush and smooth. My pool build in my signature. I suppose that if that mortar was cut out of there, other products besides mortar are available that could be used depending on on that gap. For the spa, if the fiberglass crack deep and long I'm assuming a structural repair is required first huh? If it is only cosmetic, then whatever coping you chose will simply cover the crack from above right?
The warranty does not cover a crack on the hot tub surface but I guess I could ask the pool company to do a structral repair which I assume would mean draining the pool and fixing the foundation?
 

robertwest

Gold Supporter
Dec 7, 2019
81
MD
We installed our fiberglass pool in 2020. We are not happy with the coping and wanted to see what people would suggest we can do to smooth out the rough parts (where pool wall meets the coping). One proposal is to parge it somehow using a special compound.

Second to that, our hot tub section has a crack as per the image that we just found in May (yellow paper on image shows where crack is).

It will now need to be covered with pavers as the surface crack is not covered by warranty.

Nobody told us that it is recommended that the hot tub surface area should be covered with pavers/concrete as well. Any thoughts on either on these and how to best have it fixed?

Do we ask the coping to be ripped out to be uniform with the hot tub section?

Please feel free to give any ideas.
We used "drop-faced" coping that hides that mortar gap and gives a clean appearance w/o the need for tile to hide it.
 

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chazas

LifeTime Supporter
Jun 4, 2007
173
Manassas, VA
I had issues in the same place. There’s actually TOO much concrete in the coping, it pushed under the molds and covers the edge of the fiberglass, and there were voids and other inconsistencies in the edge. They chipped it off from the pool shell in a number of places, parged the edge, and laid a big line of caulk under the coping. Looks better and seems to have held up over the winter, but I’m assuming I’ll have issues with it again sometime. If I had it to do over I would have done a paver coping.
 
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jimmythegreek

TFP Expert
Bronze Supporter
In The Industry
Aug 10, 2017
3,847
Morris Cnty NJ
The bottom of the coping can be touched up and made to look better. They did a sloppy job setting the form and didnt finish it well. As for the spa section it can be capped with stone or tile coping and it would probably look richer that way in the end. Just have to take care to blend the ends into the existing coping shape
 
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Poolguy2021

Member
Jun 2, 2021
21
Canada
I had issues in the same place. There’s actually TOO much concrete in the coping, it pushed under the molds and covers the edge of the fiberglass, and there were voids and other inconsistencies in the edge. They chipped it off from the pool shell in a number of places, parged the edge, and laid a big line of caulk under the coping. Looks better and seems to have held up over the winter, but I’m assuming I’ll have issues with it again sometime. If I had it to do over I would have done a paver coping.
Can you post some images?
I seem to think I have seen gray pool caulk that can be used in that groove. I am surprised they left it looking that way.
Yes I was very unhappy but told this is standard which I found is not true.
The bottom of the coping can be touched up and made to look better. They did a sloppy job setting the form and didnt finish it well. As for the spa section it can be capped with stone or tile coping and it would probably look richer that way in the end. Just have to take care to blend the ends into the existing coping shape
What would you use for the touch up?

A guy suggested this product (see image) Sika Monoatop is the name. Should I be asking why the spa section outer surface has a crack and what caused it? Pool has only been in a year.
 

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jimmythegreek

TFP Expert
Bronze Supporter
In The Industry
Aug 10, 2017
3,847
Morris Cnty NJ
That is good stuff but will be a dark grey color. They likely used a 3500 mix so I would buy 2 bags of concrete. One high strength and one regular mix. Screen out the rocks and mix a container 50/50 from both bags amd you will have a mortar mix the same color. I'd add a little bonding agent and fill it in. Cant skim coat it wont stick long term, have to focus on the large gap mainly
 

FlapjackMcCoy

Bronze Supporter
Aug 13, 2019
90
North Carolina
We installed our fiberglass pool in 2020. We are not happy with the coping and wanted to see what people would suggest we can do to smooth out the rough parts (where pool wall meets the coping). One proposal is to parge it somehow using a special compound.

Second to that, our hot tub section has a crack as per the image that we just found in May (yellow paper on image shows where crack is).

It will now need to be covered with pavers as the surface crack is not covered by warranty.

Nobody told us that it is recommended that the hot tub surface area should be covered with pavers/concrete as well. Any thoughts on either on these and how to best have it fixed?

Do we ask the coping to be ripped out to be uniform with the hot tub section?

Please feel free to give any ideas.
 

Poolguy2021

Member
Jun 2, 2021
21
Canada
That is good stuff but will be a dark grey color. They likely used a 3500 mix so I would buy 2 bags of concrete. One high strength and one regular mix. Screen out the rocks and mix a container 50/50 from both bags amd you will have a mortar mix the same color. I'd add a little bonding agent and fill it in. Cant skim coat it wont stick long term, have to focus on the large gap mainly
What do you think of just using glass tiles instead of trying to fix it with sikatop?
 

Poolguy2021

Member
Jun 2, 2021
21
Canada
The bottom of the coping can be touched up and made to look better. They did a sloppy job setting the form and didnt finish it well. As for the spa section it can be capped with stone or tile coping and it would probably look richer that way in the end. Just have to take care to blend the ends into the existing coping shape
Any way to directly contact you?
 

Poolguy2021

Member
Jun 2, 2021
21
Canada
I had issues in the same place. There’s actually TOO much concrete in the coping, it pushed under the molds and covers the edge of the fiberglass, and there were voids and other inconsistencies in the edge. They chipped it off from the pool shell in a number of places, parged the edge, and laid a big line of caulk under the coping. Looks better and seems to have held up over the winter, but I’m assuming I’ll have issues with it again sometime. If I had it to do over I would have done a paver coping.
Can you upload some pictures?
 

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