How long should gunite cure?

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SFBayArea
Pool Enthusiast
Pool Enthusiast
Posts: 16
Joined: Tue 11 Jun, 2013 12:07
My Pool: 45' rectangular pool with spa for 6

How long should gunite cure?

Postby SFBayArea » Thu 13 Jun, 2013 12:15

Guys/Contractors,

How long should I have gunite cured? I have a conflicting info coming from contractors/partners. The one who actually builds pool says I only need 8-10 days max to cure gunite as long as I sprinkle it with water at least twice a day. The guy who is actual license holder, but don't think he's been actually building pools said I need at least three weeks and I need to spend at least couple of hours per day to water the pool on a daily basis.
I know its freaking silly that people from the same company can't come to the agreement.


czechmate
Swimming Pool Superstar
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Posts: 401
Joined: Sat 16 May, 2009 09:20
My Pool: 16 x 32 gunite21000 gal., Diamond Brite Blue, Swimquip XL pump, DE36
Location: Texas

How long should gunite cure?

Postby czechmate » Thu 13 Jun, 2013 21:49

7-10 days is about industry standard. In the summer the process is also faster. We are talking about cure of the base for a reliable plaster application here. Which is another layer of fine white Portland composite.True curing of the concrete will go on for years. (I found out when I was coring the holes for the main el. service in the basement of Bell bldg. built in 1929). The curing for a poured structures of bridges etc, of course, fall under a different norm.
Pools are sometimes finished as soon as in 30 days and that puts curing in a ballpark of about 10 days. I would be more concerned about the layout, sufficient steel, bottom and wall total thickness, extra 5/8" in the bottom and dollies to deck no more than 20 inches to keep cool deck from cracking. And of course supervision while the shell is being shot, which is a critical process!
SFBayArea
Pool Enthusiast
Pool Enthusiast
Posts: 16
Joined: Tue 11 Jun, 2013 12:07
My Pool: 45' rectangular pool with spa for 6

How long should gunite cure?

Postby SFBayArea » Fri 14 Jun, 2013 16:21

Thank you. I insisted that my PB do coping and tile no sooner than 7 days after gunite and plaster in no less then three weeks.

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