Answer: Our travertine pavers have passed independent third-party freeze/thaw testing without any cracks or deformations. Additionally, we offer a 1-year limited warranty on our products, which also covers freeze/thaw issues.
In freeze/thaw climates, sand-set is the only recommended installation method. If you need to mortar the travertine, you must use a flexible mortar such as Flex-Bond.
Please refer to our installation page for more information: http://www.travertinemart.com/travertine-installation