BBS BevelBack - BBS Timbers Ltd

1 BBS BevelBack bevel back Weather Boards Cavity on Rigid Air Barrier 2012 BBS bevel back cladding bevel back Weatherboards Architectural Profile 27 Kioreroa Road, P O Box 1407, WHANGAREI 2 bevel back WEATHERBOARD DRAWING INDEX Product Application Detail Description Page No. B Index Drawing index 2 B IG 01 Product installation guidelines 3 B IG 02 Product installation guidelines 4 B IG 02 Product installation guidelines 5 B RB KN General installation keynotes 6 B RB 01 Internal corner detail - L flashing 7 B RB 02 Internal corner detail timber corner mould 8 B RB 05 External corner detail - Cover boards 9 B RB 06 External corner detail corner soaker flashing 10 B RB 07 Top plate to soffit detail 11 B RB 08 Bottom plate detail 12 B RB 09 Sectional detail 13 B RB 10 Parapet detail

2 14 B RB 11 Pipe penetration detail 15 B RB 12 Soffit detail 16 B RB 14 Scarf jointing detail 17 B RB 20 Aluminium Window Head detail 18 B RB 21 Aluminium Window Jamb detail 19 B RB 22 Aluminium Window Sill detail 20 B RB 23 Aluminium Door Head detail 21 B RB 24 Aluminium Door Jamb detail 22 B CS 25 Corner Soakers Detail 23 B F 26 Flashings Details 24 BBS bevel back cladding bevel back Weatherboards Architectural Profile 27 Kioreroa Road, P O Box 1407, WHANGAREI 3 PRODUCT INSTALLATION GUIDELINES BBS Timbers Installation guide for bevel back Weatherboards 2011 Timber Species: BBS Timbers Western Red cedar (Thuja Plicata) Ref: for technical specification.

3 Weatherboards: BBS Timbers Western Red cedar weatherboards are produced to manufacturer's profile and to NZS 3617 or BRANZ BU 411, grading to NZS 3631, species and durability to NZS 3602, Table 2, reference Requirements are for wood-based building components to achieve a 15-year durability performance. Weatherboards in lengths to suit specific weatherboard type and construction method with all loose knots and bark encased knots removed. Profile as per specification, profile range available. Ref: Storage: When taking delivery of BBS Timber ensure it is dry, unmarked and undamaged. Store on site, laid flat and true under cover.

4 BBS Timber should only be unpackaged once weatherboard installation process has commenced. Substrate: Before starting fixing ensure that the substrate conforms to NZS 3604, section 2, table Timber framing tolerances and the requirements of NZS 3604, sections 6 and 11 governing support for timber board cladding . Moisture content: Immediately before starting fixing, test the moisture content of the boards. Use an electrical moisture meter to test 5% of boards, but not less than 10 boards, in the centre of the length. Do not start fixing until 90% of the values obtained are within the range in NZS 3602 table 4, Allowable Moisture content (%), at time of installation or in the case of framing timber at time of enclosure.

5 Continued on next DWG: B-IG-01 BBS bevel back cladding bevel back Weatherboards Architectural Profile 27 Kioreroa Road, P O Box 1407, WHANGAREI 4 PRODUCT INSTALLATION GUIDELINES Building wraps and underlay's: Breather type, waterproof, to NZBC E2/AS1, table 23: Properties of roof underlays and building wraps. Intermediate means of restraining the building wrap and insulation from bulging into the drained cavity. Apply polypropylene tape at 300mm centres, Nogs/Dwangs shall be at a maximum 480mm centres.

6 Exterior cavity wall battens: Radiata pine battens CCA treated, minimum 20mm thickness. Width and height to match timber framing studs with 18 degree slope with 20mm x 7mm castellation to both faces BBS-V and BBS-H cavity battens. Temporary fix battens before being fixed into the framing with the cladding fixings. To NZS 3602, table 1, reference Requirements are for wood-based building components to achieve a 50-year durability performance. Ref BBS bevel back B-RB and B-CW fixing details. Nails/Fixings: Refer to Manufacturer for fixing details and specific fixing sizes.

7 Nails, Silicon Bronze: BBS Timbers rose head annular groove silicone bronze fixings to NZBC E2/AS1 Table 24. Check material compatibility as per table 21 and 22. NZBC E2/AS1. Nails, Stainless Steel 316: BBS Timbers rosehead annular groove 316 stainless steel fixings to NB E2/AS1 Table 24. Check material compatibility as per table 21 and 22, NZBC E2/AS1. Nails, Stainless Steel 316 Jolt Head paint finish only: BBS Jolt head nails are annular grooved 316 stainless steel fixings to NZBC E2/AS1 Table 24. Check material compatibility as per table 21 and 22, NBC E2/AS1. Continued on next DWG: B-lG-02 BBS bevel back cladding bevel back Weatherboards Architectural Profile 27 Kioreroa Road, P O Box 1407, WHANGAREI 5 PRODUCT INSTALLATION GUIDELINES Flashing: Material, grade and colour as detailed and scheduled and to NZBC E2/AS1; table 21 Compatibility of materials in contact and table 22: compatibility of materials subject to runoff.

8 Ensure that materials used for flashings are compatible with the window frame materials and fixings and cladding materials and fixings. Refer to BBS Timber for fixing details and technical specification and BBS flashing detail selection page. Fixing bevel back Weatherboards Nail weatherboards to every fixing point with one nail just clear of the lap. Nails to be hammered in with an upward slope. Random stagger end joints across adjacent boards and fix corrosive resistant soaker, mitre external corners and scribe internal corners. back flash internal and external corners. Fix corrosive resistant soakers to weatherboard joints and external corners, nailed under lap.

9 Alternatively box corners using 90x19 and 69x19 Western Red Cedar to BBS fixing details. In addition all cut edges are to be sealed prior to installation and manufacturers coating schedules adhered to. BBS Factory Applied Coating: Factory applied weatherboard coating system that applies an envelope seal to the weatherboard. In-line factory coating Options include both Oil and water based coating systems. Advanced spray application has been specifically designed to maximise performance and drying time of both penetrative coatings and migrating Oils. Note: Details may be subject to change without notification. DWG: B-IG-02 BBS bevel back cladding bevel back Weatherboards Architectural Profile 27 Kioreroa Road, P O Box 1407, WHANGAREI 6 GENERAL INSTALLATION KEYNOTES Profiles - Shall be machined to NZS3617 and/or Branz Bulletin 411.

10 Durability - Timber weatherboards to comply with NZS3602 - B2 durability. Compatibility of Materials - To comply with Table 20 "Material selection" E2/AS1. - To comply with Table 21 "Compatibility of materials in contact" E2/AS1. - To comply with Table 22 "Compatibility of materials subject 10 run off" E2/AS1. Building Wraps and Underlays - To comply With Table 23 "Properties of Underlays and Building Wraps" E2/AS1. - Fixings to comply with E2/AS1 "Wall framing behind cavities". Fixings - To comply with Table 24 "Fixings selection for wall claddings" E2/AS1, refer to 32 Durability requirements.