AS24/1000 Cladding

Medium profile steel cladding sheet for roofs and walls.

• Suitable for fixing to steel or timber spacer bars or purlins. Purlin centres for 0.7 mm sheet in typical multispan applications (maximum): 1.8 m. Wider centres may be possible in certain circumstances - consult manufacturer.

• Choice of steel gauge and finish.

• Roof cladding. Pitch (minimum): 4º. In-plane rooflights require 6º pitch (minimum).

• Allows rapid completion of the weatherproof envelope.

• Profile features 24 mm deep ribs.

• Suitable for site cutting using reciprocating or circular saw.

• Co-ordinating elements available: secondary steelwork, liner sheets, insulation, site assembly profiled rooflights, flashings, guttering, doors, louvre panels, sealants.

Fixings:

• General: Possible through valleys or crowns. Valley fixing recommended. Stainless steel or carbon steel self drilling screws with press on or integral caps and 16 mm EPDM washers.

• To steel: Should pass through the section, leaving minimum 5 mm exposed thread.

• To wood: Must achieve 40 mm (minimum) embedment.

Durability:

• Varies with exposure, material and colour. Consult manufacturer.

• Typical interval to first repainting (minimum): 20–30 years.

Fire:

• Spread of flame: Class 1 to BS 476-7. Euroclass B. Class O as described in Approved Document B. FAA/ SAA to BS 476-3.

• Suitable for walls more than 1 m from a boundary.