Understanding Shotcrete (w/ Bill Drakeley, Watershapes University)
In this episode, Jarred and Eric interview Bill Drakeley of Watershapes University, a renowned expert in swimming pool shotcrete (and concrete in general). Flaws in shotcrete pool shells often come through plaster over time, so Bill discusses the do's and don'ts of proper shotcrete installation and mix design.
Rule Your Pool · Eric Knight, Bill Drakeley, Jarred Morgan
Show Notes
00:00 - Introduction to Bill Drakeley
02:22 - Concrete 101: What happens when water mixes with dry cement?
04:02 - Concrete mix design (water:cement ratio)
05:18 - Compressive value (PSI)
07:49 - ACI and ASA minimum for pool concrete is 4000 PSI.
08:59 - How do you regulate PSI? Concrete mix design (water:cement ratio)
11:41 - Quality control
13:08 - Is waterproofing necessary when you have a proper, watertight concrete pool shell?
16:39 - Rapid-fire definitions
20:20 - Types of cracks
21:56 - Hydrating vs. Curing
29:15 - How to prep concrete before plaster
32:27 - Watertight vs. waterproof
33:42 - Summary: do your homework. Thanks for listening!
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