![]() Ensure that the heating mat covers essential areas, such as right in front of a shower/tub/toilet and in kickspace under the cabinets. Consider that the mat has a constant width of 20”, however, navigating in narrower spaces can be achieved by trimming the fiberglass mesh (Do not cut the heating wire!). Step 4: Draw mat layout on the floor plan.Ī floor plan is essential in selecting the proper size floor heating mat. ![]() The example shown indicates thermostat location "T" near the entrance. Thermostat location is also important since it determines the starting point of the mat. Thermostat should be positioned further from locations which may subject it to spraying or splashing by water – such as tubs, showers and sinks. Tip: To calculate the size of a triangle, multiply its sides and divide the result by 2. This area may be used for installing excess radiant heat mat length. The area just below the sink does not require heating and is therefore, not included in space calculations.Ī buffer area (where heating is non essential) shown is recommended, but not mandatory and is therefore left out of space calculations. ft.Īs seen on example, all 3 areas - A, B & C are areas where heating is essential. For 240V mats, it should not exceed 300 sq. For 120V mats, the total heated floor area should not exceed 150 square feet. Break down the area into smaller portions (squares, rectangles) if needed and add up their individual sizes (A, B & C as shown on sample to the right). Step 2: Calculate the size of heated area.Ĭalculate the overall size of the heated floor by using data from Step 1. Clearly outline the heated area with a marker. ![]() Both HeatTech mats and cable cannot be installed under these fixtures. The floor plan must indicate the location and dimensions of any furniture and fixed fixtures, such as vanities, cabinets, counters, showers, tubs, toilets, etc. Be sure to precisely measure and indicate all dimensions. Start off by drawing a floor plan of the heated area on a grid paper.
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