Pools & Spas

An Open Letter to the California Contractor’s State License Board
In this open letter to the California Contractor's State License Board, Scott Cohen argues that the state should adopt mandatory continuing education for pool contractor licensing and license renewals. It's a change he believes would ultimately protect contractors and consumers by reducing the number of construction defects. ...
Achieving Realism: Finishing Techniques for Cast-Concrete Rocks
It’s true that some artificial rock installations are not convincing. In an effort to solve those disconnects, today’s cast-concrete rock panel systems are taken from natural stone. When installed and finished correctly, rock panels can look like the real thing. ...
Caution: Don’t Forget the Tape
For all of the complexity and sophistication of watershape construction projects, some of the most important considerations are also the simplest. Chief among those, says Scott Cohen, using caution tape to help prevent jobsite injuries is an essential measure, but also one that can be all too easy to forget. ...
Making Rocks Work
The marriage between rockwork and architecture can be a contentious one, especially when the visual relationship isn’t thought out ahead of time. Making rocks work in built spaces requires strategic thinking, says Terence Thornton and Kevin Kraft, with an eye toward the way nature does things. ...
Perfecting Substrates (the importance of bonding agents)
Concrete bonding agents play a crucial role in ensuring a strong and durable bond between shotcrete and plaster in swimming pools. They offer a host of advantages that can work to improve durability of a cementitious finish, while evening out its appearance, explains Jon Temple, who urges builders and plasters to think twice before skipping the bonding agent. ...
Real Advantages of Artificial Turf
Artificial turf has rapidly grown in popularity in recent years, and especially so in its use beside swimming pools and other bodies of water, says turf specialist Nick Ogilvie. Water conservation, radically reduced maintenance and great appearance are all reasons for the movement toward grass that never grows and never dies.  ...
Cold-Weather Tile Installation
When you consider the long-term environmental exposure every pool tile installation endures, Amy Denny explains that it merits elevating installation methods, setting materials, and the installation environment. A deliberate and planned strategy is paramount, especially when working in cold temperatures. ...
Riding the Tides (25 years of WaterShapes)
Since its debut in February 1999 as an innovative print magazine, WaterShapes has spent the past 25 years exploring the art and science of water – and the oceans of possibilities waiting to be discovered along the way. As Eric Herman shares in this special retrospective, the long journey through the world of water has been its own unique reward.   ...
Portland Limestone Cement (an impactful change)
The introduction of Portland Limestone Cement (PLC) is intended to dramatically reduce the carbon footprint of concrete production. That good intention may, however, come with unintended consequences, says plaster expert and educator, Jon Temple. ...
Mosaics of Experience
What started out as an Italy trip devoted to the pursuit of fine food and wine, Lea and George Frederick, wound up deeply imbibing in the world of mosaic art at a remarkable facility in Vincenza. Here they share a slice of travelogue and images that point to the remarkable possibilities of artistically arranged bits of glass tile.   ...