Most instances of damage to the heating wire occur when a metal trowel is banged onto the floor to remove excess mortar. A metal trowel can cut like a knife and either damage or totally sever the wire. The CableTrowel simply cannot damage the wire. With rounded notches that are 3/8" wide by 1/2" deep, it is perfect for applying
thin-set mortar over WarmWire or HeatWeave Mats
Part Number: 300400HW