Penetration through the vapor barrier with integrated bitumen sleeve

Penetration through the vapor barrier TOPWET to connect TWOP and TWP to the vapor barrier with an integrated sleeve of a modified bitumen strip. Depth under insulation 200 mm, option of extension up to 1000 mm on request. This product can not be used as a penetration element for the lower structure.

TWOD 160 BIT DN 150 Drawing documentation

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