Material properties

GRÖMO manufactures roof drainage accessories in five different materials with nine different surfaces. Only European vendors are used as suppliers. This guarantees high quality in the raw material, and is a prerequisite for the high quality standards of GRÖMO.


UGINOX Top 304

This stainless steel already has its final matt appearance when it is laid. It goes well with a wide variety of constructions and can be integrated perfectly into any rural or urban environment. 

For more properties and advantages, see STAINLESS STEEL



Melting point: 1.450 °C
Length variation at 100 K: 1,6 mm/m
Density: 7,90 kg/dm³


Surface weight

Assembly of metals