The Mess Is Now Plastered!

Dirk

Gold Supporter
TFP Guide
Nov 12, 2017
7,802
Central California
Pool Size
12300
Surface
Plaster
Chlorine
Salt Water Generator
SWG Type
Pentair Intellichlor IC-40
No concern. That is your expansion joint. They'll fill that in with a flexible caulk-like material. If like mine, they'll sprinkle sand on it and it will look like grout.
 

JamesW

TFP Expert
Mar 2, 2011
21,594
You need a gap to allow the deck to expand and contract without pushing the coping loose.

The gap should be filled with caulk.
 

ald2002

Silver Supporter
Sep 10, 2020
169
Fort Mill, SC

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JamesW

TFP Expert
Mar 2, 2011
21,594
The expansion joint should be about 3/8" and it should completely separate the deck from the coping.

There is usually a foam that is used to create the expansion joint.

The top portion of the foam gets removed and then caulk is added on top of the remaining foam strip.

It's hard to tell for sure, but it doesn't look like there is a full expansion joint.
 

JamesW

TFP Expert
Mar 2, 2011
21,594

You can see the white foam in the above video.

The foam is scored about 1/2" down so that the top part can be removed and then filled with caulk.
 

ald2002

Silver Supporter
Sep 10, 2020
169
Fort Mill, SC

You can see the white foam in the above video.

The foam is scored about 1/2" down so that the top part can be removed and then filled with caulk.
The best part of the video “he needs a belt” lol. Thanks for sharing. I can confirm the crew laid the foam over the coping and down the side of the coping, if that makes sense. I couldn’t watch the whole process due to meetings. They did remove the foam. I will call the PB in the morning to ask about the caulk. Is the caulk done on the same day as the decking? Super helpful - thanks so much.
 

Dirk

Gold Supporter
TFP Guide
Nov 12, 2017
7,802
Central California
Pool Size
12300
Surface
Plaster
Chlorine
Salt Water Generator
SWG Type
Pentair Intellichlor IC-40
My pool came with my house, I wasn't there for the build. I have since replaced my expansion joint (it's a maintenance item), which is why I know a bit about it... I expect there is no hurry. They can't work on the deck for a while, so I'm sure they'll get to it at the appropriate time, ideally before it starts to rain.
 

ald2002

Silver Supporter
Sep 10, 2020
169
Fort Mill, SC
My pool came with my house, I wasn't there for the build. I have since replaced my expansion joint (it's a maintenance item), which is why I know a bit about it... I expect there is no hurry. They can't work on the deck for a while, so I'm sure they'll get to it at the appropriate time, ideally before it starts to rain.
Thanks!
 

ald2002

Silver Supporter
Sep 10, 2020
169
Fort Mill, SC
The expansion joint should be about 3/8" and it should completely separate the deck from the coping.

There is usually a foam that is used to create the expansion joint and spoke with my PB. PB confirmed they did lay poly-foam and I can see it now (see photo). Thanks for your help, again.

The top portion of the foam gets removed and then caulk is added on top of the remaining foam strip.

It's hard to tell for sure, but it doesn't look like there is a full expansion joint.
Thanks again for your help today! I got a better view to thd
 

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