
This clause is for low rise applications where the masonry is used directly for weather tightness or used in conjunction with other vertical cladding for weather tightness. Chapter 6.9 covers curtain walling and other structural cladding.
Refer to the Robust Details Handbook to check compatibility of lightweight external treatments.
Component | Requirement | Notes |
---|---|---|
Tiles and slates | BS EN 1304, BS EN 490, BS EN 12326-1 | Clay tiles for tile hanging, concrete tiles for tile hanging, slates for vertical slating. |
Timber boarding | BS EN 942 | Timber should: ■ comply with, and be at least J50 ■ be a naturally durable species or pretreated with preservative. |
Battens | Battens should be: ■ of the size specified in the design ■ pretreated with preservative. | |
Proprietary cladding systems | Technical Requirement R3 |
Timber cladding should be in accordance with Chapter 3.3 ‘Timber preservation (natural solid timber)’
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