Description

Clelands Timber Weatherboard Cladding is an exterior wall cladding for timber-framed buildings.

Clelands Timber Weatherboard Cladding consists of LOSP H3.1 or H3.2 or Protim H3.2 treated solid or finger jointed weatherboards of the following profiles:

Bevel Back

• Standard WB/WBO - sizes 135 x 18mm, 142 x 18mm, 180 x 18mm, 187 x 18mm, 215 x 19mm, 230 x 19mm
• Rebated WBR- sizes 135 x 18mm
• Imperial WBB - sizes 140 x 21mm

Rusticated

• Standard WR - sizes 135 x 18, 180 x 18mm
• Wellingtonian WL- sizes 180 x 19mm, 215 x 19mm, 230 x 19mm
• Hawkes Bay WHB - sizes 135 x 18mm, 180 x 18mm, 215 x 19mm, 230 x 19mm

Vertical Shiplap

• Standard WS - sizes 135 x 18mm and 180 x 18mm

Scope

1. Clelands Timber Weatherboard Cladding is certified for use in buildings:

• a. within the scope of NZS3604:2011 Timber-framed buildings;
• b. within the scope of E2/AS1 para 1.1;
• c. located in a wind zone (as defined in NZS3604:2011) up to and including Very High;
• d. where the risk score (as determined using the E2/AS1 risk matrix) is not greater than 20 and fixed as set out in Conditions 2;
• e. located in any exposure zone as defined in NZS3604 para 4.2.4 (except microclimates);
• f. located no closer than 1m from a relevant boundary

2. Clelands Timber Weatherboard Cladding profiles shall:

• a. for bevelback profile, be fixed horizontally over a nominal 20 mm drained and ventilated cavity where the Risk Score is 13 - 20 (or direct fixed or cavity fixed where the Risk Score is 0 - 12);
• b. for rusticated profile be fixed horizontally over a nominal 20 mm drained and ventilated cavity where the Risk Score is 7 - 20 (or direct fixed or cavity fixed where the Risk Score is 0 - 6);
• c. shiplap profile be fixed vertically over a nominal 20 mm drained and ventilated cavity where the Risk Score is 13 - 20 (or direct fixed or cavity fixed where the Risk Score is 0 - 12).

3. Clelands Timber Weatherboard Cladding shall be:

• a. installed in accordance with the applicable Installation manual:
  • i. Clelands Timber Codemarked Bevel Back Weatherboard Manual, Version 4.0, Aug 24;
  • ii. Clelands Timber Codemarked Rusticated Weatherboard Manual, Version 4.0 Aug 24;
  • iii. Clelands Timber Codemarked Vertical Shiplap Weatherboard Manual, Version 4.0 Aug 24, and
• b. painted using a light colour (with a light reflective value (LRV) greater than or equal to 45%).

4. Steel fixings and fasteners in contact with Protim H.3.2 treated weatherboards shall be in accordance with NZS3604:2011 Tables 4.1 and 4.3, and shall be a minimum of:

• a. Type 304 stainless steel where used in Exposed or Sheltered locations (as defined in NZS3604:2011) or
• b. Hot-dipped galvanised steel for all other locations.