Travertine is a calcium-rich mineral that forms in one of two ways: when water containing calcium and carbonate ions evaporates, leaving tough, solid calcium carbonate in its wake; or underground, as groundwater deposits these minerals. Often the material that comprises stalactites and stalagmites, travertine also makes natural deck and patio pavers. Because it is used as a natural stone, it comes in colors of light gold, gray, slate and white or cream.
Travertine is a durable substance, and doesn’t build up heat easily. Even on sunny days, travertine stays cool enough to touch and walk on, so you don’t need to worry about burning your feet when you climb out of the pool or try to enjoy some afternoon sun. Because of its resistance to extreme temperatures, travertine also doesn’t get cold. This resistance means it does not tend to move quickly from hot to cold, which can cause cracking or shearing in materials that absorb or give off heat more easily, like concrete bricks or poured asphalt.
Though beauty is in the eye of the beholder, travertine has a smooth, even texture that is both pleasing to the eye and easy to walk on. Its simple, earth-toned colors pair well together for a varied effect, or you can choose to order pavers all in one color for a more unified look. Its resistance extends beyond heat: it also withstands staining, scratching and acidic substances well, so it keeps its color and texture well over the years.
Pavers come in many different sizes, but have two general surface types: tumbled or chiseled. While chiseled pavers have a more squared-off, elegant appearance and fit more closely together, tumbled stones have a natural, worn look that works better in less formal landscapes. Generally, travertine pavers are 1 1/4 inches thick. If you have the expertise or willingness, you can buy them in bulk and install them yourself.