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Resistance to moisture by reference to British Standards
6.30NI-wide·Technical Booklet C Site Preparation and Resistance to Contaminants and Moisture
The requirement to resist the passage of moisture from the weather can also be met by following the relevant recommendations of – (a) BS CP 143 for sheet roof and wall coverings made from the followin
claddingroofingprotection-from-moistureStandards and guidance for resisting moisture from weather in roof and wall coverings
7.8NI-wide·Technical Booklet C Site Preparation and Resistance to Contaminants and Moisture
The requirement to resist the passage of moisture from the weather can also be met by following the relevant recommendations of – (a) BS CP 143 for sheet roof and wall coverings made from the followin
weather-resistancemoistureroofingcladdingexternal-envelope