The covers in Auderghem are usually made of metal

 

and are square

 

or rectangular

 

in shape.
In many cases, when round covers are intended for sidewalks, they are surrounded by a square frame, which greatly facilitates the paving work around them

 

(these למעשה constitute all the square covers found on the site).

No colored or gilded covers were found on the site, nor were any covers bearing the city emblem found in Auderghem.
In general, no covers with unique shapes or distinctive patterns were found.

In cases where the purpose of the cover is indicated, it appears as follows: G on gas covers

 

and the consumer name AQUAFIN on water covers

 

. Drainage covers are characterized by drainage slots

 

.

Manufacturers
The covers were made by manufacturers from various countries: the Danish AVK Group

 

, the British Elkington Gatic

 

, the Belgian Fondatel-Lecomte

 

, the Belgian Fonderies E Desbeck

 

, and the Belgian Vulcain Aalst

 

.

Standards
The common standards are the European standard EN124

 

and the load class D400

 

.
The Belgian COPRO standard

 

can also be found.