Overall i am satisfied with the product and service. I have installed and it is working . Even Better if: Better guidance in the installation guide on self levelling concrete. This stage in the process gets one or two lines in the guide. Actually it was challenging and fairly expensive. I had about 400 square feet and it required about 22 50 lb sacks of concrete, three men and a day of effort to pour. I hadnt budgeted for this level of effort. The guide instructs that wires be a minimum of three inches apart but given length sent this separation was difficult to achieve and also i counted the separation units used in the cable guide in the instruction video and followed this and this was very tight and difficult to achieve separation on long cable runs
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