Nova-SK Roof and Deck Waterproofing Membranes have been appraised as roof and deck waterproofing membranes on buildings within the following scope:

• the scope limitations of NZBC Acceptable Solution E2/AS1, Paragraph 1.1 with regard to building height and maximum floor plan areas; and,
• with building structures designed and constructed to meet the requirements of the NZBC; and,
• with roof and deck supporting structures of timber framing with substrates of plywood or fibre cement sheet; and,
• with substrates of suspended concrete slabs; and,
• situated in NZS 3604 Wind Zones up to, and including, Extra High; and,
• with decks that have a maximum area of 40 m² (refer to Paragraph 7.4).

Approved for substrate with finished falls of:

• Roofs: Minimum 1:80 (0.7°)
• Decks: Minimum 1:80 (0.7°)
• Gutters: Minimum 1:100 (1%)

See BRANZ Appraisal 520 and CodeMark for full information.

In areas of regular foot traffic, higher than for normal maintenance traffic, the membrane must be overlaid with Fixplus pedestals and pavers or decking, Kraitec Step walkway tiles or other approved protection.

The product must be installed by a Certified Equus Applicator

See BRANZ Appraisal 520 for full information

In the opinion of BRANZ, Nova-SK Roof and Deck Waterproofing Membranes, if designed, used, installed and maintained in accordance with the statements and conditions of Appraisal 520, will meet the following provisions of the NZBC:

• Clause B2 DURABILITY: Performance B2.3.1 (b) 15 years.
• Clause E2 EXTERNAL MOISTURE: Performance E2.3.1 and E2.3.2. 
• Clause F2 HAZARDOUS BUILDING MATERIALS: Performance F2.3.1. 

See BRANZ Appraisal 520 for full information.

• Warranty 20 years with the correct specification and installed by an Equus Certified Applicator