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ISO/TS 18734:2026

Requirements and recommendations for elastic barriers, waterproofing and protection of underground concrete structures ISO/TS 18734:2026

Publication date:   Jan 22, 2026

General information

60.60   Standard published   Jan 22, 2026

ISO

ISO/TC 71/SC 7 Maintenance and repair of concrete structures

Technical Specification

91.080.40   Concrete structures

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Published

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Scope

This document intends to provide a guideline for barriers waterproofing and protection specific to the protection against leakage and contamination underground conditions for underground concrete structures. This document addresses the following topics in the coming sections.

Ambient and environmental conditions of underground concrete structures
Types of barriers used for waterproofing and protection
Performance requirement for waterproofing and protection
Performance evaluation for waterproofing and protection
Selection procedure of optimal waterproofing and protection

Life cycle

NOW

PUBLISHED
ISO/TS 18734:2026
60.60 Standard published
Jan 22, 2026




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