Manhole covers in Berlin are made of metal

 

or concrete. Wooden covers can also be found

 

.

The covers are round

 

, square

 

or rectangular

 

. Sometimes, when round covers are installed on sidewalks, they are surrounded by a square frame, which makes paving around them much easier

 

.

No colorful covers have been found in Berlin. Gilded covers are generally used for informational purposes

 

.

No city emblems have been found on covers in the city, but one cover features famous buildings in Berlin

 

.

In many cases, the purpose of a cover is not indicated. In other cases, the letter W sometimes appears on water covers

 

, the words WÄRME BERLIN appear on gas/heating covers

 

, and drainage covers can be identified by their drainage slots

 

.

Manufacturers
The covers are manufactured mainly by German companies: ACO Group 2639|, Buderus

 

, Hydrotec

 

, MeierGuss

 

Standards
The international EN 124 standard and load classes (D400-F900) appear on most covers

 

.

The German MPA standard

 

, the German DIN 19584 standard

 

, and other standards can also be found.