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Insulated external walls - examples
Diagram 6.4NI-wide·Technical Booklet C Site Preparation and Resistance to Contaminants and Moisture
Solid walls: external protective system with 50 mm minimum residual cavity, breather membrane, sheathing board, vented and drained cavity. Cavity walls: (a) External insulation, (b) Internal insulatio
dwellingnon-domesticinsulationexternal-wallsmoisturecondensationFixing of cladding sheets and tiles
6.27NI-wide·Technical Booklet C Site Preparation and Resistance to Contaminants and Moisture
Each sheet, tile and section of cladding should be securely fixed. Guidance as to appropriate fixing methods is given in BS 8000-6. Particular care should be taken with detailing and workmanship at th
protection-from-moistureexternal-wallscladdingJoints at doors and windows in external walls
6.31NI-wide·Technical Booklet C Site Preparation and Resistance to Contaminants and Moisture
The joint between walls and door or window frames should – (a) resist the penetration of precipitation to the inside of the building; and (b) not be damaged by precipitation and not permit precipitati
protection-from-moistureexternal-wallswindowsdoors