After three rows are installed in the bath heating area, there are 10-14" of mat left out so as unheating area. Customer was advised turn the rest of mat to the right or carefully detach heating cable from mash and using HVAC (metal) tape or hot glue space heating cable at 3" in 3-4 ft wide rows.
HTMATKIT-120-15 was offered for bath and HTMATKIT-120-30 for master bathroom.