LEGACY™ PRODUCT TECHNICAL STATEMENT
Legacy™ offers a standing seam roofing style of profile without the need of a supporting plywood substrate. The slightly trapezoidal rib profile and 500mm cover offers efficiency in installation. Legacy™ can be installed up to Extra High Wind Zone with no additional Specific Engineering Design, swages in the pan and plywood support required.
NEW ZEALAND BUILDING CODE COMPLIANCE The product will, if used in accordance with Steel & Tube’s installation and maintenance requirements, assist with meeting the following provisions of the building code: • Clause B1 Structure: Performance B1.3.3(a), B1.3.3(b), B1.3.3(g), B1.3.3(h) When fastened to supports at maximum of 600mm centres with one Legacy™ clip per sheet per support with two screws per clip, Legacy™ will withstand wind loads of up to Extra High Wind Zone as determined by NZS 3604:2011 • Clause B2 Durability: Performance B2.3.1(b), B2.3.1(c) Ensure the base material is used in accordance with Table 20 of E2/AS1 • Clause C3 Fire affecting areas beyond the fire source: Performance C3.9 • Clause E2 External moisture: Performance E2.3.1, E2.3.2 Verify the design principles contained in NZS E2/AS1 and NZMRM CoP for trough section cladding and the Steel & Tube design details are applied. • Clause G12 Water supplies: Performance G12.3.2 • Clause F2 Hazardous building materials To comply with the performance clause of NZBC clause E2 roof cladding to be installed in accordance with: • Acceptable Solution NZS E2/AS1
0800 427 663 steelandtube.co.nz Disclaimer: This data should be used as a guide only, for exact applications, engage the services of a qualified engineer.
PRODUCT TECHNICAL STATEMENT
• Minimum Pitch: 3 • Effective Cover (mm): 500mm • Applications: Residential, Industrial/Commercial Roofing & Vertical Wall Cladding. • Supports: Installation to supports at 600mm spans. Other spans is subject to Special Design in consultation with Steel & Tube. • Available nationwide: Manufactured in Auckland. • Materials: Specify coating and material based on environmental conditions in accordance with NZS E2/AS1. Available in metallic coated and pre-painted steel in 0.55mm BMT (base metal thickness), and pre-painted aluminium in 0.90mm BMT. • Durability: All material selections must be compatible with prevailing environmental conditions and adjacent materials. º
NOV 2023
DESIGN GUIDELINES