BBS BevelBack BevelBack Bevel Back Weather Boards Cavity on Rigid Air Barrier 2012 BBS Bevel Back...

BBS BevelBack

Bevel Back Weather Boards

Cavity on Rigid Air Barrier

2012

www.bbstimbers.co.nz

www.cedarcorp.co.nz

http://www.bbstimbers.co.nz/products/cladding/weatherboards/

http://www.cedarcorp.co.nz/

BBS Bevel Back Cladding Bevel Back Weatherboards Architectural Profile

27 Kioreroa Road, P O Box 1407, www.bbstimbers.co.nz WHANGAREI T.094389358 www.cedarcorp.co.nz 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 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 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



PRODUCT INSTALLATION GUIDELINES

BBS Timbers Installation guide for Bevel Back Weatherboards 2011

Timber Species:

BBS Timbers Western Red cedar (Thuja Plicata)

Ref: www.bbstimbers.co.nz for technical specification.

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 2A.1. 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: www.bbstimbers.co.nz

Storage:

When taking delivery of BBS Timber ensure it is dry, unmarked and undamaged. Store on site, laid flat and true under cover. 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 2.1 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.

Continued on next page....

DWG: B-IG-01

http://www.bbstimbers.co.nz/



PRODUCT INSTALLATION GUIDELINES continued...

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.

Exterior cavity wall battens:

Radiata pine battens H3.2 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 1D.10. 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.

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 page....

DWG: B-lG-02



PRODUCT INSTALLATION GUIDELINES continued...

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. 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.

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



GENERAL INSTALLATION KEYNOTES

Profiles - Shall be machined to NZS3617 and/or Branz Bulletin 411.

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 9.1.8.5 "Wall framing behind cavities".

Fixings - To comply with Table 24 "Fixings selection for wall claddings" E2/AS1, refer to 32 Durability requirements.

General Fixings

- Profiles shall be machined to NZ3617and/or Branz Bulletin 411. - All nail fixings pre-drilled minimum 1mm diameter smaller than the nail gauge. - All products to be pre-coated and cut edges to be sealed to BBS Timber specifications. - Provide PVC tape bond break between H3.2 battens and any aluminium flashing. - Rusticated and Vertical Shiplap Weatherboards to be fixed with a minimum gap of 2mm at the overlap between boards. - Rebated Bevel Back profiles to be fixed with a minimum gap of 2mm at the overlap between boards. - Ensure Bevel Back Weatherboard weather grooves are in line with a minimum 32mm lap - All materials and fixtures are to comply with E2/A51 Clause 2.2. - All Aluminium joinery to comply with NZS/BC 4211. - Option PBS Rigid Air Barrier to be seated with SikaGuard 703w to manufacturer's specification.

Factory Applied Coating

-Weatherboards are to be factory coated to all sides prior to installation. -Weatherboards shall be annually cleaned and recoated to manufacturer's recommendations and maintenance guidelines.

DWG: B-C-KN



INTERNAL CORNER DETAIL

SCALE: NTS

DWG: B-RB-01



INTERNAL CORNER DETAIL

\

SCALE: NTS

DWG: B-RB-02



EXTERNAL CORNER DETAIL

SCALE: NTS

DWG: B-RB-05



EXTERNAL CORNER DETAIL

SCALE: NTS

DWG: B-RB-06



TOP PLATE TO SOFFIT DETAIL

SCALE: NTS

DWG: B-RB-07



BOTTOM PLATE DETAIL

SCALE: NTS

DWG B-RB-08



SECTIONAL DETAIL

SCALE: NTS

DWG: B-RB-09



PARAPET DETAIL

S

C

A

L

E

:

N

T

S

SCALE: NTS

DWG: B-RB-10



PIPE PENETRATION DETAIL

SCALE: NTS

DWG: B-RB-11



SOFFIT DETAIL

SCALE: NTS

DWG: B-RB-12



SCARF JOINTING DETAIL

SCALE: NTS

DWG: B-RB-14



ALUMINIUM HEAD DETAIL

SCALE:NTS

DWG: B-RB-20-H



ALUMINIUM JAMB DETAIL

SCALE: NTS

DWG: B-RB-21-J



ALUMINIUM SILL DETAIL

SCALE: NTS

DWG: B-RB-22-S



ALUMINIUM DOOR HEAD DETAIL

SCALE: NTS

DWG: B-RB-23-H



ALUMINIUM DOOR JAMB DETAIL

SCALE: NTS

DWG: B-RB-24-J



CORNER SOAKERS DETAIL

SCALE: NTS

DWG: B-CS-25



FLASHINGS DETAIL

SCALE: NTS

DWG: B-F-26

Date post:	21-Jul-2018
Category:	Documents
Upload:	dinhthu
View:	220 times
Download:	0 times

BBS BevelBack BevelBack Bevel Back Weather Boards Cavity on Rigid Air Barrier 2012 BBS Bevel Back...

Documents