Renovation to begin How important are soft joints in the renovation tile and new granite coping?

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DASpool said:
Looking for your valued input on our in progress gunite pool renovation in frost thaw climate Central NJ. The demolition of our former cantilevered concrete decking is complete and this week the PB will begin on removing tile and get to starting the renovation work.
In trying to understand the materials that will be used (reading the TDS). In phone discussion it does not appear that the PB is aware of the TCNA EJ171 Movement Joint guidelines for exterior applications for ceramic and stone, the location and the frequency of these soft joints are called for every 8 ft to 12ft depending on the materials and environmental conditions. We HAD for 21 years tile that never came off the pool (including through this weeks jackhammering!) and back then with the cantilevered deck and NO coping - we had no soft joints in the tile. Now wondering since we will have 12X24x1.5 inch thick granite coping and will be using a 6X6 THROUGH BODY Porcelain water line tile on this renovation, should I be pushing the PB to put in the soft joints if it hasn't been their practice? If I am understanding properly the "soft joint" would be a 100% silicone material and would be in the TILE and then Up through the granite coping stone, too. IS this something to insist on or is it something to go not have and then down the road IF there is cracking, deal with later (not preferable). Not sure if we are allowed to mention product brand names here so want to be respectful. THANK You all in advance
Picture of pool to be redone below so you can see the raised wall of tile too.
Click to expand...
I believe the material to be used in the pool above the waterline tile and below the granite coping and the joint at the change of planes will be Latasil. Now trying to figure out in building up to that point - the materials that will be used. This is challenging getting build out material list and yes I tried to get upfront specified but no luck. Tomorrow the floor will be chipped out and then washed out and I believe the beam will be leveled with Rapid Set Mortar Mix. Supposedly brown! All I know is they dug a bit on the decking side of the beam and it’s going to rain the 2 days after the brown material and it can’t get dirty. How will that be - hoping to get them to dig a bit more out on decking side so nothing gets Muddy this next 2 rain days. We are just trying to keep the job site clean between days and hope. Good news, even though the last PB never put in hydrostatic plug in the pool 21 years ago - they drilled a deep hole into the floor in the deep end and we have a dry hole. Whew on that. Expecting tomorrow to have the inside of pool cleaned out and washed down. We are going to try to get the concrete decking people when they shoot the elevation to keep the work close to the coping done by hand and hand tamped down by the coping stone to keep from damaging our stone once it’s in. We did confirm concrete people will wrap the granite - hopefully tile work will be done by then so it is covered as well but not sure on the curing times for the tile assembly and we have to figure that out tomorrow.
Yes we now know the coping will be done first as it will be dry laid on Monday. Decking Concrete set up will Follow next Wednesday or Thursday if not weather delayed - and we have a scheduled electrical inspection for Thursday on Equipotential bond wire. Hoping and staying barely on step ahead. I need help tomorrow on the waterproofing material to be used and is it then comes the scratch Kote 2000 on top of the waterproofing material or what? So complex! Thank you all
 
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