SMART Terrace pads are part of a system that allows water to drain from the balcony and terrace. They provide stable support under a panel of stone, concrete or ceramic. Creating a space between the base plate and the paving, for the drainage of rainwater. It is usually used for the base of waterproofing foil EPDM, PVC or mineral sealing mortar. SMART terrace mats can be installed all year round, weather permitting.