Roof slopes: Slopes > 20 °: at least 50 cm / not
exceeding 1 m distance to the highest point. The pro-
visions for flat roofs apply for a slope of ≤ 20 °.
Flat roof with slope: The provisions for roof
slopes apply if the width proportion is ≤ 1 m of the
flat part. The provisions for flat roofs apply if the
width proportion is > 1 m of the flat part.
Ceiling beams (or similar): Height ≤ 20 cm:
Installation on the ceiling or a beam. Height > 20 cm
and separate area > 36 m² => additional smoke
detectors between ceiling beams.
Where should smoke detectors not be placed?
In the direct vicinity of air-conditioning systems or fans.
Places with insufficient air circulation due to obstacles
such as curtains.
In rooms in which the temperature can fall below
0 °C or exceed 40 °C.
GB/IE
60