Vertical Shiplap Weatherboards - Cedar Cladding System

By: Jsc Timber  06-Dec-2011
Keywords: Stainless Steel, Architectural Profiles, Building Components

Introducing New Zealand's First Cedar Shiplap System Tested to NZBC E2/AS1 VM1

JSC VertiClad
Horizontal Cavity Solution

JSC VertiClad, offers both wrap and rigid air barrier options along with the new JSC VertiClad batten profiles to complete an exclusive new range.

JSC Timber have been the first to develop a fully tested horizontal and vertical cavity system for Western Red Cedar in both Vertical Shiplap and Rusticated Cedar Weatherboards formats.

JSC VertiClad is tested to NZBC E2/AS1 VM1 in respect to the requirements of clauses B1, B2 and E2 and gives a full Producer Statement-Design from an ACE accredited façade engineer.

Vertical Shiplap Weatherboards offer variety and versatility that complements any architectural style, it adapts equally as well to bold expressive modernism or the well defined criteria of period styling. Available in a wide range of standard and architectural profiles that offer amazing architectural potential. Vertical Shiplap is a look that is currently re-defining the NZ coastal landscape with random patterns that incorporate 8”, 6” and 4” profiles to the retro 4” Mini Shiplap.

Scope

        Residential and light Commercial cladding as per NZS 3604/E2AS1 direct and cavity fixing.

Profiles

        as per NZS 3617 or Branz Bulletin 411 
Standard profiles: J50, J51, J52, J53, J54, J55, J56, J57, J58, J59, J60.

Architectural Profiles

        APJ301, APJ302, APJ303, APJ304, APJ305, APJ306, APJ307, APJ308, APJ309, APJ310, 
APJ311, APJ312, APJ313.

Grades

        as per NZS 3631: 1988 
PC1 Premium Clears One 
PC2 Premium Clears Two

Durability

        as per NZS 3602 Class 2 durability for use above ground. In long lengths to profile detailed with 
species and grading to the requirements of NZS 3602 but with all knots excluded.  To NZS 3602, 
table 2, Requirements for wood-based building components to achieve a 15-year durability 
performance.

Finish

        BSF (Band Sawn Face) or DF (Dressed Face).

Length Spread

        2400mm to 5900mm random, selected lengths available on request. No less than 2400mm.

Accessories

        J40, J41, J42 Dressed profiles 90X19mm, 69X19mm

Nails, Silicone Bronze

        Silicone Bronze fixings to NZBC E2/AS1 Table 24. JSC Rose Head Annular Groove Silicone Bronze 
Nails, Refer to JSC Timber for Manufacturer details / correct sizes and fixing details and options 
available.

Nails, 316 Stainless Steel

        Stainless Steel fixings to NZBC E2/AS1 Table 24. JSC Rose Head Annular Groove 316 Stainless 
Steel Nails, Refer to JSC Timber for Manufacturer correct sizes and fixing details and options 
available.

DuraCedar

        JSC specifically developed the 22mm thick weatherboard and fascia range to increase the durability  
and stability of Western Red Cedar Cladding. JSC Timber recommends DuraCedar in all instances 
where dark stains are to be used.. Read more about

Finishes: CedarShield - Factory Applied Weatherboard Coating System

        JSC specifically developed the CedarShield system to responsibly manage and increase the 
performance of Western Red Cedar against the harsh New Zealand environment.

        The CedarShield System offers factory applied coating within a controlled environment delivering a full 
envelope seal to Weatherboards, Fascia, Panelling and Dressed profiles prior to delivery.

        CedarShield ensures a consistent application for improved appearance and increased finish life and 
durability without unsightly lap marks or acclimatization lines.

Fixing Vertical Shiplap Weatherboards

        Adjust horizontal set-out to ensure there is a 2 mm expansion gap between successive boards.  
Using full length boards only, clench nail tongue to every fixing point (nogs – dwangs at 400 - 480 
mm centres).  Nail other side of board just clear of lap 30mm – 35mm from edge.  Nails to be driven 
in with an upward slope.  Line nails horizontally across the boards.
As per JSC fixing details.

Vertical Shiplap JSC VertiClad Cavity System

      • Report: Producer Statement Design PS1 Testing JSC VertiClad System, JSC Timber Vertical Shiplap cavity system to NZBC E2/VM1.
      • Test Report data and technical details available by contacting JSC Architectural.
      • Detail Range: Index JV-C and Index JV-RB
      • Contact: JSC Architectural Team 
        Phone +64 9 412 7722

Drawing Index:

        JV-C and JV-RB

Specification

        Masterspec section 4221 Western Red Cedar Cladding.

Keywords: Architectural Profiles, Building Components, Cavity System, Cedar Weatherboards, Commercial Cladding, Silicone Bronze, Stainless Steel, Steel Fixings

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