February 2022

16 Florida Pool Prosm • February 2022 Waterproofing your pool projects can prevent efflorescence and small leaks from developing into major problems in the future. These problems can cause call backs, which lead to costly repairs, additional labor time and wasted money at jobsites. Leaks in swimming pools are very common and usually very difficult to locate and repair. Swimming pools are under constant pressures andmovements. These pressures can lead to hairline cracks and tile movement that will lead to leaks and esthetic problems. All of this leads to headaches and disgruntled customers. For years it has been shown that micro cracks are generated in concrete pools due to different causes such as aging of the structure, erosion, and ground movements. Those small cracks of less than 3mm do not generate a structural problem, but they do generate other problems in the pool plaster and glass tile areas. Efflorescence is almost always guaranteed in any glass tile application unless the substrate is waterproofed before the setting materials and grouts are used. When it comes to waterproofing pools, it should be taken into account that there are several products for waterproofing. Cementitious waterproofers resist a maximum cracking of 0.05mm, even with reinforcing mesh. These waterproofing products stretch and flex in a very limited length to ensure that it stays bonded to its substrate when movement occurs. Another weak area that can cause unwanted leaking problems in swimming pools is at the connection between the structure andABS or PVC accessories such as skimmers, main drains, niches etc. since the union between concrete and rigid plastic materials is not a watertight connection. These areas need special attention and additional steps should be taken to ensure that the proper waterproofing method is used to prevent future leaks and problems. Besides the cementitious waterproofing products, another great protective Are you waterproofing your pool projects? By Fernando Barragan, Stellar Sales Alliance / fernando@stellarsalesalliance.com DIGGING UP IDEAS

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