Bevelback Weatherboard – Technical Manual - Jenkin

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Jenkin A-lign® bevelback
weatherboard

Wall underlay

Spouting to stop 10mm Apron flashing
min from finished wall Apron flashing upstand
cladding behind cladding and
building underlay
50 x 50mm transition tray
behind fascia or seal Tapered stop-end to divert
between fascia and apron flashing water into
coated cladding Fall gutter

Roofing

Gutter
Note: Refer to NZBC Acceptable Solution E2/AS1 Table 7 for apron flashing cover over roofing
Figure 1.38 Direct fixed – internal corner – 135 degrees – scribed

Jenkin Align® Details Version 2.0 All Dimensions are to
be site checked
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4 October 2012 and installation

© JenkinTimber Ltd. 2012 49

Figure 1.39 Direct fixed – internal corner – 135 degrees – flashed
Figure 1.40 Direct fixed – external corner – 135 degrees – mitred

50 © JenkinTimber Ltd. 2012

Figure 1.41 Direct fixed – nailing

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CAD Drawings – cavity fixed

Note: The 3-Dimensional diagrams and CAD drawings in this
manual are current at the date of this manual (November 2012).
For any amendments or updates to these diagrams or drawings,
please refer to our website: jenkin.co.nz/products/a-lign/cad-details

52 © JenkinTimber Ltd. 2012

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Figure 2.03 Cavity fixed – eaves – angled soffit Recommended eaves widths:
>100mm for l and m wind zones
Continuous horizontal >450mm for h wind zones
batten to close off cavity >600mm for vh wind zones and
above
from roof space
Roof cladding and
underlay to designers
specification

Internal lining Soffit lining
Jenkin A-lign® cavity
Jenkin A-lign® 42 x 18mm eaves
batten mould with weathergroove - fit
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Wall underlay
Figure 2.04 Cavity fixed – eaves – flat soffit Jenkin A-lign® bevelback
weatherboard
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Bevelback weatherboard - cavity - eaves - no soffit

Figure 2.05 Cavity fixed – eaves – no soffit

Roofing underlay draining into

spouting Min. overhang of roofing beyond

fascia

50mm Eaves flashing where roof
pitch less than 10° and fascia
is less than 100mm from
cladding flashing by roofer

Ensure that weatherboard Ensure that
project above top of fascia weatherboard
projects above top
Solid blocking of fascia
Internal lining
Jenkin A-lign® cavity batten Spouting

Jenkin A-lign® tilting
fillet

Jenkin A-lign® facing (fascia) of
width to suit spouting brackets and
falls

Jenkin A-lign® bevelback
weatherboard

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Figure 2.07 Cavity fixed – external corner – prefabricated box

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Figure 2.11 Cavity fixed – aluminium window – head

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Figure 2.12 Cavity fixed – aluminium window – jamb (option A)

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Fig 2-13

FigureB2e.1v3elCbaavciktywfiexaetdhe– rabluomaridni-ucmavwitiynd-oawlu–msiinlliu(omptwioinndAo)w - sill

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flashing tape to sill trimmer,
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stud and 50mm onto face of
underlay

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Figure 2.14 Cavity fixed – timber window – head

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Figure 2.15 Cavity fixed – timber window – jamb

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Figure 2.17 Cavity fixed – meter box

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Figure 2.18 Cavity fixed – external corner – prefabricated box – stucco

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Figure 2.19 Cavity fixed – internal corner – pre-cut scriber – stucco

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Figure 2.20 Cavity fixed – above stucco

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Figure 2.21 Cavity fixed – external corner – prefabricated box – profiled metal

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Figure 2.22 Cavity fixed – internal corner – pre-cut scriber – profiled metal

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Figure 2.23 Cavity fixed – above profiled metal

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Figure 2.24 Cavity fixed – below profiled metal

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Figure 2.25 Cavity fixed – abutting profiled metal

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Figure 2.26 Cavity fixed – external corner – masonry veneer

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batten
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66 x 18mm transition scriber

© JenkinTimber Ltd. 2012 69

Figure 2.28 Cavity fixed – above masonry veneer :DOOXQGHUOD\IODSODSSHG
RYHUIODVKLQJXSVWDQG
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Figure 2.29 Cavity fixed – abutting masonry veneer

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Fig 2-31

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weatherboard

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membrane upstand
Jenkin A-lign® cavity batten
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Figure 2.32 Cavity fixed – reverse raked soffit

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75mm minimum cover to top

weatherboard

Fig 2-33 Take underlay under eaves
to provide an air barrier
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Jenkin A-lign® cavity batten

Wall underlay

Figure 2.33 Cavity fixed – apron flashing

Wall underlay lapped Jenkin A-lign® bevelback
over flashing weatherboard

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base board or bevelback
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A-lign® tilting fillet
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35mm min Version 2.0 All Dimensions are to Quickflash Code 06 cavity
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4 October 2012 and installation
110mm flashing upstand
with 10mm hem
Roofing material

Roof framing

5mm gap max for
notched downturn

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flashing upstand

Note: Refer to NZBC Acceptable Solution E2/AS1 Table 7 for apron flashing cover over roofing

72 © JenkinTimber Ltd. 2012

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Fig 2-35behind fascia or seal Fall gutter
between fascia and
coated cladding

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Gutter
Note: Refer to NZBC Acceptable Solution E2/AS1 Table 7 for apron flashing cover over roofing
Figure 2.35 Cavity fixed – parapet – balustrade – wall junction

40mm 40mm

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weatherboard scribed 4 October 2012 and installation Jenkin A-lign® cavity
to each other batten

150mm min to face of window Jenkin A-lign® bevelback
or door jamb stud weatherboard
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Parapet or balustrade wall corner back flashing,
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© JenkinTimber Ltd. 2012 73

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Figure 2.36 Cavity fixed – parapet – balustrade – saddle flashing

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Figure 2.37 Cavity fixed – parapet – balustrade – saddle install

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FiBguervee2l.b3a8 cCkavwityeafixtheder–bhooarirzdon-taclacvaivtiyty-johiontrizontal cavity joint

Wall underlay lapped Jenkin A-lign® bevelback
over flashing upstand weatherboard, 50mm cover to
flashing upstand
Equal
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Quickflash Code 06 cavity closure
Jenkin A-lign® tilting fillet

15mm drip edgeEqual
5mm gap
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flashing 15° cross fall, 35mm cover
to cladding

Wall underlay lapped under
horizontal flashing

Note: Horizontal drained joints must be provided to limit cavities to 2-storeys or maximum
7m in height in accordance with NZBC Acceptable Solution E2/AS1 paragraph 9.1.9.4(b)

Figure 2.39 Cavity fixed – internal corner – 135 degrees – scribed

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be site checked
fig2-38_cv_hori_joint.dwg Scale at A4 1:5 before construction
4 October 2012 and installation

© JenkinTimber Ltd. 2012 75

Figure 2.40 Cavity fixed– internal corner – 135 degrees – flashed
Figure 2.41 Cavity fixed – external corner – 135 degrees – mitred

76 © JenkinTimber Ltd. 2012

Figure 2.42 Cavity fixed– nailing

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Jenkin Timber Limited –
Quality

Jenkin quality assurance standards

To constantly deliver products that perform at the highest level
demands excellent standards of quality in every area of business:
from the training of our people, to product improvement, to
concern for the environment.
We at Jenkin Timber Limited are proud of our reputation for
quality and integrity. A reputation that has been proven for
generations. Our investment in quality is core to our company
philosophy. Out of that dedication, innovation flows – and
excellence continues year after year.
Our most recent certifications and standards are shown here.
We will update these regularly. We strive to not just follow the
strictest standards of our profession but to keep ahead of them.
That way you, our customer, know that whenever you choose a
Jenkin product or service, you are choosing real quality.

Forest Stewardship Council – chain of custody

Jenkin Timber has been independently certified by Scientific
Certification Systems (SCS) in accordance with the rules of the
Forest Stewardship Council A.C. (FSC).
SCS Certification Registration Number SCS-COC-00538
Timber Preservation Quality Manual. License Number 080

New Zealand Forest Industries Council

Jenkin Timber was awarded the champion training company for
solid wood processing in 2001. The certificate was awarded by
Forest Industries Training and Education Council.
Refer to www.jenkin.co.nz for information on quality
control methods.

For more information about our independent third
party quality audit process email us at:

[email protected]

80 © JenkinTimber Ltd. 2012

© JenkinTimber Ltd. 2012 81

For more information call
the Jenkin Helpline Toll Free

0800 25 44 61

Monday to Friday 8am–5pm

© Jenkin Timber Ltd 2007 – 2012. All rights reserved. All intellectual property and images included in this Technical Manual and in the A-lign solution are owned by Jenkin Timber Ltd and cannot be used without (written) consent of the copyright owner. No material in this document may be copied without the express (written) consent of Jenkin Timber Ltd All applications for
reproduction, in any form, should be made to Jenkin Timber Ltd Jenkin Timber Ltd reserves the right to revise, without notice, any information contained in this document. Although every effort has been made to ensure the information contained in this document complies with existing building standards and recognised codes of practice, no responsibility is accepted for
any errors and omissions in this document, nor for any specifications or work based upon this information. Some of these images depict Jenkin Tru-Pine weatherboards. These boards are nearly identical to those used in the A-lign solution and differ only slightly in size to the A-lign weatherboards and differ in certain construction features which are not visible externally.