Viking Butylclad Membrane has been appraised for use as a waterproofing membrane for buildings within the following scope:

• scope limitations of NZBC Acceptable Solution E2/AS1, paragraph 1.1; and,
• with timber supporting structures designed and constructed in accordnace with the NZBC; and,
• with nominally flat or pitched roofs constructed to drain water to gutters and drain outlets complying with NZBC; and,
• with substrates of plywood sheet.

Viking Butylclad Membranes have also been appraised for use as waterproofing membranes for external reinforced concrete and plywood roofs and decks for buildings within the following scope:

• up to 3 storeys with a maximum height from ground to eaves of 10m and with a floor plan area limited only by seismic and structural control joints; and,
• with the reinforced concrete structure designed and constructed in accordance with the NZBC; and,
• with timber supporting structures designed and constructed in accordance with the NZBC; and,
• with nominally flat, curved or pitched roofs constructed to drain water to gutters and drain outlets complying with NZBC.

The BRANZ Appraisal is limited to roofs and decks within the following scope:

• constructed to suitable falls (refer paragraph 12.1 -12.9 of the Viking Butylclad Membrane BRANZ Appraisal); and,
• with no steps within a deck level, no integral roof gardens and no down pipe discharging directly onto a deck.

The design and construction of the substrate and movement and control joints is specific to each building, and therefor the responsibility of the building designer and building contractor and is outside the scope of this Appraisal.

The Viking Butylclad Membrane must be installed by Viking Roofspec Licensed and Trained installers.

The Viking Butylclad Membrane, if designed, used, installed and maintained in accordance with the statements and conditions of the technical literature, will meet or contribute to meeting the following provisions of the NZBC:

• Clause B1 STRUCTURE: Performance B1.3.1. Viking Butylclad Membrane meets this requirement.
• Clause B2 DURABILITY: Performance B2.3.1 (b) 15 years. Viking Butylclad Membrane meets this requirement. See paragraph 9.1 of the Viking Butylclad Membrane BRANZ Appraisal.
• Clause E2 EXTERNAL MOISTURE: Performance E2.3.1 and E2.3.2. Roofs, decks, balconies, parapets and gutters incorporating Viking Butylclad Membrane meet this requirement. See paragraphs 12.1 - 12.9 of the Viking Butylclad Membrane BRANZ Appraisal.
• Clause F2 HAZARDOUS BUILDING MATERIALS: Performance F2.3.1. Viking Butylclad Membrane meets this requirement and will not present a health hazard to people.

See BRANZ Appraisal for full information.

• Fisher & Paykel Healthcare Building (South Auckland)
• Mainfreight's two depots (Auckland)
• Novotel Hotel (Greenlane)
• Christchurch Airways Building

• BRANZ Appraised No. 307 (2013);
• Backed by a 20-year product warranty, and for specific projects, is eligible for Viking's Full System Warranty, which covers the product and installation in one document;
• Can be painted with approved paint systems - design flexibility.