Wall Collars 4 pipes
4 pipes GmbH . Sigmundstr. 182 . D-90431 Nuremberg . Germany . Phone +49 (0)911.81006-0 . Fax +49 (0)911.81006-111 . info@4pipes.de 
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Wall collars work as a barrier for pipes in the wall, especially at floor and wall penetrations, where service pipes or sleeve pipes are cast directly into the concrete.
Wall Collars for Lightning Protection Systems The lightning protection wall collar type flat steel strip and type steel wire serve as a water barrier within the grounding.
Flat Steel Strip
Steel Wire
Product Datasheet TPE-free