Concrete holder in plastic with a concrete bottom is used to build an air terminal grid on flat roofs. Made of polypropylene – PP (frost resistant) with additives protecting against UV radiation. The support is filled with a frost-resistant cement mortar.
PURPOSE: roofs covered with roofing felt
ASSEMBLY:
– gluing to the roofing – with adhesive mass, e.g. N828540
BOTTOM: concrete
symbol type |
B931504 AN-11D |
conductor (mm) |
Ø8 |
weight | ~ 1 |
material | plastic/concrete |