Why covers and enclosures matter
An open pool works against its owner around the clock. It evaporates water, and every gallon that evaporates carries away heat and treated chemistry. It collects leaves, dust, and pollen. It bakes off sanitizer in the sun. And it sits as open water with no barrier. A cover, and to a greater degree an enclosure, addresses these at once: slowing evaporation and heat loss, keeping debris out, cutting chemical demand, and, in the case of a true safety cover or a screened enclosure, adding a layer of protection.
The key to getting value from a cover is choosing the right type, because covers do genuinely different jobs. A solar cover and a safety cover are not interchangeable, and treating one as the other is a serious mistake.
Safety covers
A safety cover is a cover engineered, first, as a barrier over the water. It anchors firmly to the deck and is rated to hold significant weight, so it genuinely protects children and pets.
Mesh and solid safety covers
A mesh safety cover is made of a strong mesh that lets rain pass through while blocking debris and sun, so water does not pool on top of it. A solid safety cover blocks everything, including rain and all light, which suppresses algae most completely but requires a cover pump to remove rainwater from the surface. Both are anchored, weight-rated barriers.
The pros and cons of safety covers
Safety covers provide genuine protection, excellent debris exclusion, and seasonal protection, and they are the cover to choose when safety is a priority. The trade-offs are a higher cost than a basic cover and the effort of putting them on and removing them. As one layer of protection alongside fencing and alarms, a safety cover is a strong choice.
Solar, automatic, and seasonal covers
Beyond safety covers, several cover types serve specific purposes.
Solar covers
A solar cover, or solar blanket, is a bubble-style cover that floats on the surface, using the sun to add and hold warmth and sharply reducing overnight heat loss and evaporation. It is excellent for energy and temperature, and pairs powerfully with a heater. It is not a safety device and must never be treated as one. A liquid solar cover is a chemical product that forms an invisible heat-retaining layer.
Automatic covers
An automatic cover rolls over the pool at the push of a button, riding on tracks, securing the water in seconds. It is by far the most convenient cover: highly effective at saving energy and keeping debris out, and a properly installed automatic cover also serves as a strong safety barrier. It integrates most cleanly when planned with the pool, since the tracks and housing can be designed in.
Winter and mesh covers
Winter covers and basic mesh covers protect a pool through periods of low use or a closed season, keeping debris out. They are practical seasonal tools rather than everyday or safety covers.
Pool enclosures and screen cages
An enclosure goes further than a cover, surrounding the pool, or the pool and a patio, in a structure.
Screen enclosures and pool cages
A screen enclosure, or pool cage, is an aluminum-framed, screened structure over the pool and deck. It keeps out leaves, debris, and insects, cuts harsh sun into comfortable shade, sharply reduces cleaning and chemical use, and, with self-closing doors, adds a layer of safety. Screen enclosures are especially valuable in warm, humid, insect-heavy climates, and must be engineered for real wind loads.
Pool domes and full enclosures
A pool dome or a full glazed enclosure encloses the pool in a weather-proof structure, extending swimming into any weather and season. Full enclosures are a larger investment and a more involved build, but they make a pool genuinely year-round and weather-independent.
A true safety cover and an automatic cover provide a real barrier over the water. A solar cover does not. Never rely on a solar or basic floating cover as a safety device.
Cover reels, pumps, and accessories
A cover is rarely used alone; a few accessories make it practical. A cover reel, or roller, makes handling a solar cover or some safety covers far easier, winding the cover up neatly rather than dragging it off by hand, which also extends the cover's life. For an automatic cover, the reel mechanism is built in and motorized.
A pool cover pump is a small submersible pump that removes rainwater that collects on top of a solid cover; without one, that water pools and weighs the cover down. Solid safety covers in particular depend on a cover pump. Cover anchors, springs, and straps secure an anchored safety cover to the deck. None of these is expensive, but together they are what make a cover convenient enough to actually be used, which is the whole point of owning one.
Choosing covers and enclosures
The right choice depends on the goal. For genuine protection over the water, a true safety cover or a properly installed automatic cover. For energy and warmth, a solar cover, ideally paired with a heater. For day-to-day convenience plus energy savings and a safety barrier, an automatic cover. For keeping debris and bugs out and the deck usable, a screen enclosure. For year-round, weather-proof swimming, a full enclosure. Many pools combine layers, such as an automatic cover within a screen enclosure.
Covers and enclosures can be designed into a new pool or, in most cases, added to an existing one, and getting the type and the fit right is exactly the kind of decision a one-team builder should help with. WETYR Pools supplies and installs pool covers and builds screen enclosures as part of our pool design, covers, and equipment work, matching the right protection and efficiency to each pool.