6.8.27 Flashings
Flashings and trays shall be capable of adequately resisting the entry of moisture into the building.
Suitable materials for flashings and trays include:
- milled sheet lead (minimum code 4) to BS EN 12588
- zinc alloy complying to BS EN 988 and 0.6mm thick
- proprietary materials assessed in accordance with Technical Requirement R3.
Last updated: 2nd January 2024