Sheet or liquid applied crack isolation/decoupling membrane

I am having hard time deciding on what type (if any) membrane to install under porcelain tile. I have hadronically heated slab and would prefer to minimize R value of… I am having hard time deciding on what type (if any) membrane to install under porcelain tile. I have hadronically heated slab and would prefer to minimize R value of…Read MoreGreenBuildingAdvisor