Underfloor Heating | Floor Surface Temperature

Floor Surface Temperatures

Floor surface temperatures are critical for comfort, as well as to heat output otherwise discomfort and damage to the floor can occur. BS EN 1264 Floor Heating – Systems and Components, Part 2. Determination of thermal output provides some guidelines on the maximum values for floor surface temperatures. These are summarised below.

Area

Maximum Floor Surface Temperature °C

Design Room
Temperature °C

Corresponding Heat
Emission W/m2

Occupied area

29

20

100

Peripheral area

35

20

175

Bathroom or similar

33

24

100
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