Suitable for NZS 3604 extra high wind zones:

• Weatherboard cladding
• Window Trims, Boxed Corners, Door Jambs
• Timber cladding
• Timber-to-timber
• Wall cladding

• These coated fasteners possess a level of corrosion resistance that makes them suitable for use in some exterior and corrosive environments and with some preservative-treated timber.
• For applications in higher-exposure applications, consider Type-300 series stainless-steel fasteners for superior corrosion resistance. Bit(s) included with every box of screws.
• Pre-drilling and countersink may be necessary at ends, butt joints, and on applications where denser material is used. Follow board manufacturers recommendations where applicable.

In the opinion of BRANZ (Appraisal No. 1044[2019]) Simpson Strong-Tie Weatherboard Screws, if designed, used, installed, and maintained in accordance with the statements and conditions of this Appraisal, will meet or contribute to meeting the following provisions of the NZBC:

• Clause B1 STRUCTURE: Performance B1.3.1, B1.3.2 and B1.3.4. Simpson Strong-Tie Weatherboard Screws meet these requirements for loads arising from self-weight, wind and impact [i.e. B1.3.3 (a), (h) and (j)]. See Paragraphs 8.1 to 8.3.
• Clause B2 DURABILITY: Performance B2.3.1 (b), 15 years and B2.3.2. Simpson Strong-Tie Weatherboard Screws meet these requirements. See Paragraphs 9.1 to 9.3.
• Clause E2 EXTERNAL MOISTURE: Performance E2.3.2. Simpson Strong-Tie Weatherboard Screws contribute to meeting this requirement. See Paragraph 10.1.
• Clause F2 HAZARDOUS BUILDING MATERIALS: Performance F2.3.1. Simpson Strong-Tie Weatherboard Screws meet this requirement and will not present a health hazard to people

See also Producer Statement by Southern Pine Products

Installation Manual (Page 8) - by Clelands Timber 

Producer Statement - by Niagara Sawmilling