4323MT
METROTILE METAL ROOFING TILES
1
GENERAL

If you have pre-customised this work section using the "questions and answers" provided as part of the downloading process, it may be necessary to amend some clauses to suit the final project-specific version.

The section must still be checked and customised to suit the project being specified, by removing any other irrelevant details and adding project-specific details and selections.

 

This section relates to Ross Roof Group Ltd interlocking pressed metal roofing tiles complete with underlay, battens and accessories.

It includes ten Metrotile profiles composed of a Zincalume protected steel substrate covered with either;

Modify / expand this clause to suit requirements of the final version of the section.

 

The Metrotile product range caters for all types of construction, from residential to light-commercial and public works; in a wide range of colours.  Can be used on new and existing roofs when fixed to timber battens.  New roofs designed to NZS 3604 or to a specific design.

 

Generally tile profiles are installed over timber battens to NZS 3604, however, CF Shingle and CF Slate pressed metal tile profiles to be installed over either wide H1.2 Ex 150 x 25mm battens or over a solid substrate of either plywood or Orientated Strand Board (OSB) Sarking.

1.1
RELATED WORK

Refer to 7411 RAINWATER SPOUTING SYSTEMS for rainwater disposal.

The section(s) stated above are often necessary to support this section, consider carefully and ensure they are included in the project specification if required.

Include cross references only to other work sections where they include directly related work.

Refer to 4161 UNDERLAYS, FOIL AND DPC for underlays.

Refer to 4337 PLYWOOD ROOFING & DECKING SUBSTRATE for solid roofing substrate

Refer to 4338LS LAMINEX NEW ZEALAND STRANDSARKING™ for solid roofing substrate

 

This section does not include rainwater gutters, spoutings and pipework.  Some flashing work is also often covered elsewhere.

1.2
ABBREVIATIONS AND DEFINITIONS

Refer to the general section 1232 INTERPRETATION & DEFINITIONS for abbreviations and definitions used throughout the specification.

The following abbreviations apply specifically to this section:

 

NZMRM

New Zealand Metal Roofing Manufacturers Inc.

OSB

Orientated Strand Board

Refer general section 1232 INTERPRETATION & DEFINITIONS for abbreviations used throughout the specification.

Documents
1.3
DOCUMENTS

Refer to the general section 1233 REFERENCED DOCUMENTS.  The following documents are specifically referred to in this section:

NZBC E2/AS1

External moisture

NZBC G12/AS1

Water supplies

AS/NZS 1170.2

Structural design actions, Wind actions

AS/NZS 1859.1

Reconstituted wood-based panels – Specifications- Particleboard

AS/NZS 2269

Plywood – structural

NZS 3604

Timber-framed buildings

NZS 4217

Pressed metal tile roofs

NZMRM CoP

NZ Metal Roof and Wall Cladding Code of Practice (CoP)

Delete from the DOCUMENTS clause any document not cited.  List any additional cited documents.

 

The following are related documents and if referred to in the work section need to be added to the list of DOCUMENTS:

NZBC B2/VM1

Durability

NZS 3640

Chemical preservation of round and sawn timber

BRANZ BU 563

Building on exposed sites

BRANZ BU 528

Metal Tile Roofing

Refer to the general section 1237WA WARRANTY AGREEMENT for warranty details (if required).

Refer to the general section 1250 TEMPORARY WORKS & SERVICES clause SPECIAL PROTECTION (if required).

Re-cycling is addressed in the general section 1256 WASTE MANAGEMENT; refer to this clause if it is to apply to this section..

Refer to the general section 1270 CONSTRUCTION for removal of temporary protection as part of the final clean (if required).

1.4
MANUFACTURER'S DOCUMENTS

Manufacturer's and supplier's documents relating to this part of the work:

Metrotile Company Brochure

Metrotile Roofing Tile Installation Manual; Bond/Classic/Roman/Shake

Metrotile CF Slate Installation Manual; CF Slate, CF Shingle

Technical Specification for Antica Tile

Technical Specification for Bond Tile

Technical Specification for Classic Tile

Technical Specification for Shake Tile

Technical Specification for Roman Tile

Technical Specification for CF Slate Tile

Technical Specification for CF Shingle Tile

Technical Specification for Royal Tile

Technical Specification for Tudor Tile

 

Manufacturer/supplier contact details

Company:

Ross Roof Group Ltd

Web:

www.metrotile.com

Email:

info@metrotile.com

Telephone:

09 2999498

It is important to ensure that all personnel on site have access to accurate, up to date technical information on the many products, materials and equipment used on a project.  In most cases individual products are not used in isolation, but form part of a building process.  Also a particular manufacturer's and/or supplier's requirements for handling, storage, preparation, installation, finishing and protection of their product can vary from what might be considered the norm.  Access to technical information can help overcome this potential problem.

Warranties
1.5
WARRANTY - MANUFACTURER/SUPPLIER

Provide a material manufacturer/supplier warranty:

50 years (25+25):

For Metrotile Zincalume® roofing tiles (paint or chip): manufacturer's 25 year weatherproof warranty plus a subsequent 25 years diminishing pro-rata weatherproof warranty

 

For Metrotile roofing tiles (paint or chip)

20 years:

For surface coating - textured stone-coated tile

15 years:

For surface coating - satin acrylic-coated tile

 

  • Provide this warranty on the Metrotile Roofing Systems standard form (if unavailable, use the standard form in 1237WA WARRANTY AGREEMENT)
  • Commence the warranty from the date of Practical Completion of the contract works.

 

Refer to the general section 1237 WARRANTIES for additional requirements (if necessary).

Modify or expand the clause to suit project or manufacturer/supplier requirements.

1.6
WARRANTY - INSTALLER/APPLICATOR

Provide an installer/applicator warranty:

5 years:

For installation of Metrotile roof

 

  • Provide this warranty on the installer/applicator standard form (if unavailable, use the standard form in the 1237WA WARRANTY AGREEMENT)
  • Commence the warranty from the date of installation

 

Refer to the general section 1237 WARRANTIES for additional requirements (if necessary).

Modify or expand the clause to suit project or installer/applicator requirements, options include:

  • Change the standard form to be used (check with the installer/applicator, use the general section 1237WA WARRANTY AGREEMENT if required)
  • Commence the warranty from the date of Practical Completion of the contract works.
Requirements
1.7
NO SUBSTITUTIONS

Substitutions are not permitted to any specified Ross Roof Group Ltd system, or associated components and products.

1.8
QUALIFICATIONS

Installers to be Ross Roof Group Ltd trained fixers employed or contracted to a registered Metrotile Roofing Systems installer.

1.9
MAINTENANCE INFORMATION

Provide one copy of all relevant Ross Roof Group Ltd maintenance information on completion of the roofing work.

Performance - Wind

The next two mutually exclusive clauses, are setting a standard of performance for design by the contractor to meet.  Specifiers should therefore consider adding some means of confirming (say by testing or certification) that the performance criteria will be or have been met.  Delete the clause which does not apply.

1.10
DESIGN PARAMETERS - NON SPECIFIC DESIGN

Building wind zone:

~ / ~ kPa ULS (refer to NZS 3604, table 5.4)

Metrotile Pressed Metal Roof Tiles are suitable for all 'Wind Zones', according to NZS 3604, Table 5.4 including 'Extra High'.  Batten fixing details will require to be modified to suit.  Contact Ross Roof Group Ltd for details..
Examples of design parameters include 'Wind Zone' and NZS 3604.
Low/0.65kPa:32 m/s
Medium/0.85kPa:37 m/s
High/1.20kPa:44 m/s
Very High/1.55kPa:50 m/s
Extra High/1.82kPa:55 m/s
Delete this clause if using DESIGN PARAMETERS - SPECIFIC DESIGN.

1.11
DESIGN PARAMETERS - SPECIFIC DESIGN

The design wind pressures are to AS/NZS 1170.2.

SLS:

~ kPa

ULS:

~ kPa

Obtain information from the project structural engineer.  Contact Ross Roof Group Ltd for suitability of application and further information if using  Specific Design.
Delete this clause if using DESIGN PARAMETERS - NON SPECIFIC DESIGN.

1.12
FIXINGS, WIND - NON SPECIFIC DESIGN

Design and use the fixings appropriate to Ross Roof Group Ltd requirements and as appropriate for the project wind design stated above.  To NZS 3604, table 10.12 'Tile Battens for all Wind Zones'.  Refer to Ross Roof Group Ltd 'Profile Specifications Summary' for the selected profile, finish and uplift requirements.

Delete this clause if using FIXINGS WIND - SPECIFIC DESIGN.

1.13
FIXINGS WIND - SPECIFIC DESIGN

Design and use the fixings appropriate to Ross Roof Group Ltd requirements and as appropriate for the project wind design stated above.  Refer to Ross Roof Group Ltd 'Profile Specifications Summary' for the selected profile, finish and uplift requirements.

Contact Ross Roof Group Ltd for further information if using 'Specific Design' and modify above clause as required to suit project.
Delete thIs clause if using FIXINGS WIND - NON SPECIFIC DESIGN.

Performance - General
1.14
CO-ORDINATE

Co-ordinate to ensure substrate and preparatory work is complete and other work programmed in the order required for access and completion of the roof.

1.15
PERFORMANCE

Accept responsibility for the weather-tight performance of the completed roofing system, including all penetrations through the roof and junctions with walls and parapets.  Comply with Ross Roof Group Ltd installation instructions and NZMRM CoP, sections 2 to 7 (Performance, Loadings, Design, Flashing, Penetrations and Installation), and section 10, 'Pressed Metal Tiles'.

Refer to later EXECUTION clause on co-operating with others on the installation of elements which penetrate or adjoin the roofing system; including walls and parapets, skylights, sundry elements fixed through the roofing surface, service pipework, etc.

1.16
DRINKING WATER

Rainwater collected from Metrotile roofs will meet the provisions of NZBC G12/AS1.

2
PRODUCTS
Materials
2.1
PRESSED METAL TILES - SATIN FINISH

Ross Roof Group Ltd pressed metal tiles to NZS 4217 and NZBC E2/AS1, 8.3 'Pressed Metal Tiles'.  Fabricated from Zincalume® - protected steel with acrylic top coat.  Refer to SELECTIONS for type.

Check that the finish meets the durability requirements of NZBC E2/AS1, table 20.

2.2
PRESSED METAL TILES - TEXTURED FINISH

Ross Roof Group Ltd pressed metal tiles to NZS 4217  and NZBC E2/AS1, 8.3 'Pressed Metal Tiles'.  Fabricated from Zincalume® - protected steel with natural stone granules embedded in an acrylic base coat and final clear acrylic over glaze applied before being oven cured.  Refer to SELECTIONS for type.

Check that the finish meets the durability requirements of NZBC E2/AS1, table 20.

Components
2.3
UNDERLAY

Self supporting breather type.  Refer to 4161 UNDERLAYS, FOIL AND DPC for underlays.

Generally a self-supporting breather type underlay to be used however a standard breather type underlay to be used between solid substrate and pressed metal roofing tile.  Ensure compatibility of underlay with hazard treatment of sarking.

2.4
BATTENS

To NZS 3604, 10.2.1.16 'Purlins and Tile Battens'.  Radiata pine or Douglas Fir, SG6, treated H1.2.  Moisture content to NZS 3602.  Size, spacing and fixing to NZS 3604, table 10.12, 'Tile Battens for All Wind Zones' and to Ross Roof Group Ltd installation instructions.

Modify if using NZBC B2/AS1, 3.2.2.2. "Exceptions for the use of untreated Douglas fir".  You may consider increasing the treatment level.

2.5
BATTENS – FOR CF SLATE INSTALLATION

To be Ex 75mm x 25mm adjacent to fascia and Ex 150mm x 25mm there after, Radiata pine or Douglas Fir, SG6, treated H1.2.  Moisture content to NZS 3602.  Spacing and fixing to Ross Roof Group Ltd installation instructions.

Modify if using NZBC B2/AS1, 3.2.2.2."Exceptions for the use of untreated Douglas fir".  You may consider increasing the treatment level.

Maximum rafter/truss spacing to be 900mm.

2.6
FIXINGS GENERALLY

Fixings and fasteners are to be compatible with all materials, the environment and meeting the requirements of the NZ Building Code.  Installation is to be in accordance with NZBC E2/AS1 and/or NZS 3604 and Ross Roof Group Ltd 'Profile Technical Summary'.

For fixing patterns refer to Ross Roof Group Ltd 'Profile Technical Summary' for the selected profile.

2.7
NAILS

Nails for batten fastening to Ross Roof Group Ltd installation instructions, sized and installed to NZS 3604 and NZS 4217.  In 'Extra High Wind Zone' areas secure the roof battens with 1x 10g C 2.4kN 80mm purlin screw.

Components - Solid backing substrate
2.8
ORIENTATED STRAND BOARD SUBSTRATE

Orientated Strand Board (OSB) is an engineered reconstituted wood panels to AS/NZS 1859.1, treatment to NZS 3602.  Refer to SELECTIONS for manufacturer, thickness and treatment.

Delete this clause if substrate is specified in another section.  Refer to relevant section such as 4338LS LAMINEX NEW ZEALAND STRANDSARKING®.  Can be used as a solid backing to CF Slate and CF Shingle pressed metal profiles.

2.9
ORIENTATED STRAND BOARD SARKING FIXINGS

Fix with stainless steel countersunk head screws, to OSB manufacturer requirements.

Delete this clause if fixings are specified in another section.  Refer to relevant section such as 4338LS LAMINEX NEW ZEALAND STRANDSARKING®.

2.10
PLYWOOD SUBSTRATE

Plywood complying with AS/NZS 2269, treatment to NZS 3602.  Refer to SELECTIONS for manufacturer, thickness, treatment and grade.

Delete this clause if substrate  is specified in another section.  Refer to relevant section such as 4337 PLYWOOD ROOFING & DECKING SUBSTRATE.  Can be used as a solid backing to CF Slate and CF Shingle pressed metal profiles.

2.11
PLYWOOD FIXINGS

Fix with stainless steel, counter-sunk screws.  Generally:

  • 15mm plywood:  No.8 x 40mm
  • 17-21mm plywood:  No.10 x 40mm
  • 19 - 21mm plywood:  No.10 x 45mm
  • 25mm plywood:  No.10 x 50mm

Or galvanized flat head nails, annular grooved or twisted shank.  Stainless steel nails annular grooved.  Generally:

  • 15mm plywood:  50mm x 2.8mm
  • 17 - 21mm plywood:  60mm x 2.8mm
  • 25mm plywood:  75mm x 3.15mm

Amend above clause to suit,  screws generally recommended.   Stainless steel fixings may be justified in coastal or high corrosion areas.
Delete above clause if fixings are specified in another section.  Refer to relevant section such as 4337 PLYWOOD ROOFING & DECKING SUBSTRATE.

Accessories
2.12
INTEGRATED VENTS TILES

Integrated vent tiles, manufactured from HIPS (High Impact Polystyrene) complete with flashing and accessories to provide an integrated and weather tight installation.  Colour and finish matched to adjacent roof tiles.

Available profiles:  LV75 Roof Space Vent, HV110 Sanitary Vent, HV160 Extraction Vent, each available in 3 models to suit Antica, Shake, Royal, Classic & Tudor metal tile profiles.
Suitable for use in all NZS 3604 wind zones including 'Extra High'.  Designed for 1kPa snow loading.

2.13
FLASHINGS, CAPPINGS AND COVERS

To NZBC E2/AS1, 4.0 'Flashing', NZBC E2/AS1, 8.2.4, 'Flashing and Fixings', and NZBC E2/AS1, Table 7, 'Metal Flashings - General Dimensions'.  Use ridge and hip caps, barge covers, general purpose malleable-edged flashings and side flashings supplied by Ross Roof Group Ltd as part of the selected tile roofing system.

Copper and lead flashing must not be used with Metrotile Pressed Metal roofing.

2.14
STARTER STRIP

Proprietary starter strip supplied by Ross Roof Group Ltd as part of the selected tile roofing system.

To be used with CF Slate and CF Shingle tile installations.

2.15
CLOSURE STRIP

Tetral Bitufoam™ 20mm x 20mm , bitumen impregnated polyurethane foam.  Available in 2m length.

To be used with CF Slate and CF Shingle hip / ridge trim or alternatively use a peel & stick membrane detail.

2.16
PEEL & STICK FLASHING

Thermakraft Aluband™ Peel and Stick 150mm wide waterproof membrane, to hip and ridge flashing.

To be used with CF Slate and  CF Shingle tile hip / ridge trim or alternatively use closure strip  detail.

2.17
SEALANT

Neutral curing silicone or polymer sealant as required by Ross Roof Group Ltd and used as directed.

3
EXECUTION
Conditions
3.1
INSPECTION

Inspect the roof framing and supporting structure and do not start work until it is complete and fully braced ready for tiling, all to the requirements of NZS 3604.

3.2
STORAGE

Stack tiles on a level, hard base, ventilated and protected from damage and weather.  Do not allow moisture to build up between sheets in a stack.

The general section 1270 CONSTRUCTION describes how deliveries are to be managed and the goods stored.

3.3
HANDLING

Unload and handle tiles without soiling, scratching, crushing or other damage.  Protect edges from damage.

Amend this clause if protection is required from, weather, water, dust, damage, etc.  Refer to the general section 1270 CONSTRUCTION for removal of temporary protection as part of final clean.

If special protection is required or protection is to be supplied by others, make reference in this clause to the general section 1250 TEMPORARY WORKS & SERVICES clause SPECIAL PROTECTION.

3.4
COMPLY

Comply with the preparation, laying and fixing requirements of NZBC E2/AS1, and NZS 4217, or Ross Roof Group Ltd requirements where these are of a higher standard.

Application
3.5
SET-OUT

Carefully set out the roof with a measuring rod to position the battens accurately taking account of rafter lengths, overhangs into gutters and spouting and verge overhangs, all to minimise tile cutting.

3.6
INSTALL PLYWOOD SUBSTRATE

Install and fix sheets to the plywood manufacturer's requirements.  Lay with the face grain at right angles to the supports, staggered joints (brick bond) with all edges of the sheets fully supported.  Allow a 3mm gap between square edge sheets.

Delete above clause if item specified in another section.  Refer to relevant section such as 4337 PLYWOOD ROOFING & DECKING SUBSTRATE.

3.7
INSTALL ORIENTATED STRAND BOARD SARKING SUBSTRATE

Install and fix sheets to the manufacturer's instructions and requirements.  Lay in a staggered layout (brick bond) with all edges of the sheets fully supported.  Allow a 3mm gap between square edge sheets.

Delete above clause if item specified in another section.  Refer to relevant section such as  4338LS LAMINEX NEW ZEALAND STRANDSARKING™.  Modify as required, to suit OSB manufacturer requirements.

3.8
LAY UNDERLAY

Refer to 4161 UNDERLAYS, FOIL AND DPC for the installation of breather type underlay.

Modify clause to suit requirements.

3.9
FIX BATTENS

To NZS 3604.  Fix battens over the underlays in straight courses, spanning at least three rafters, between fascia and ridge and elsewhere to Ross Roof Group Ltd details.  Nail at every crossing to the requirements of NZS 3604, table 10.12.  Square cut ends to form butt joint over rafters with joints staggered.

3.10
FIX BATTENS – FOR CF SLATE INSTALLATION

Fix Ex. 75mm x 25mm batten adjacent to fascia and Ex. 150mm x 25mm battens there after over the underlay in straight courses, spanning at least three rafters, between fascia and ridge, parallel to each hip and valley line and elsewhere to Ross Roof Group Ltd details.  Nail at every crossing with 75mm x 3.15mm nails in accordance with Ross Roof Group Ltd requirements.  Ensure all joins are centered over rafters.

3.11
INSTALL STARTER STRIP

Install and fix starter strip in accordance with Ross Roof Group Ltd recommendations.

To be used with CF Slate and CF Shingle tile only.

3.12
LAY VALLEYS

Lay valleys over valley boards in accordance with Ross Roof Group Ltd recommendations.

3.13
LAYING

Do not take heavy equipment onto the roof.  Plan work to minimise foot traffic.  Work on the roof only using appropriate footwear.  Inter-lock, lap and lay to Ross Roof Group Ltd requirements and finish to ridge, hip, valley, barge and eaves to NZBC E2/AS1 8.0 'Roof Claddings', 8.3 'Pressed Metal Tiles', and Ross Roof Group Ltd required details, if not detailed elsewhere.

3.14
NAILING

Nail tiles to battens / or solid substrate generally through the upstand and downturn of the tile lap as well as all elements to NZBC E2/AS1 and Ross Roof Group Ltd details and to nail size, type and spacing in NZS 4217, table 5.  Fit neoprene washers under vertical nails for smooth-coated tiles.

In exposed locations (refer to NZS 3604) check on nail spacings.

3.15
CUTTING AND BENDING

Cut, bend and straighten tiles neatly to finish true to line and plane when in place, using installation equipment maintained in the proper condition, all to NZS 4217 and as required by Ross Roof Group Ltd.  A full 40mm high stop end should be made at any tile termination point.

3.16
FIT FLASHINGS, COVERS AND CAPPINGS

Cut, fit and fix all elements true to line and plane, to NZBC E2/AS1: 4.0 'Flashing', NZBC E2/AS1: 5.0 'Roof / Wall Junctions', to Ross Roof Group Ltd flashing specifications, and the NZMRM COP, section 10, if not detailed elsewhere.

Add details of associated overflashings to penetrations, parapets and the like, either here or in other sections as appropriate to the project.

3.17
INSTALL CLOSURE STRIP

Install Tetral Bitufoam™ 20mm x 20mm , bitumen impregnated polyurethane foam strip to hip and ridge lines in accordance with Ross Roof Group Ltd requirements.

To be used with CF Slate and CF Shingle tile hip / ridge trim or alternatively use a peel & stick membrane detail.

3.18
INSTALL PEEL & STICK FLASHING

Install peel and stick 150mm wide waterproof membrane flashing to all hip and ridge lines in accordance with Ross Roof Group Ltd requirements.

To be used with CF Slate and CF Shingle tile hip / ridge trim or alternatively use closure strip  detail.

3.19
INSTALL VENT RIDGE

Solid substrate and pressed metal tiles to be spaced 20mm away from centre of ridge line to form a 40mm gap.  Cut and bend pressed metal tiles then install and fix vent ridge and ridge trim in accordance with Ross Roof Group Ltd details and instructions.

To be used with CF Slate and CF Shingle tile with solid substrate backing on Skillion Roofs.

3.20
PENETRATIONS

Form to NZBC E2/AS1, 8.1.7, 'Roof Penetrations' and to NZS 4217, with upstands ready for flashing / overflashing.  Flash and overflash all penetrations through the roof.

Expand this very general clause to better describe the various types and forms of penetrations needing to be flashed.

3.21
PENETRATIONS AND JUNCTIONS

Check that adjoining walls and parapets are prepared ready for the installation of the roofing.  Confirm that openings have been prepared ready for the installation of skylights and other penetrations through the roof.  Required work includes the following:

  • underlay turned up at wall and parapet lines
  • underlay finished and dressed off to all openings, ready for the installation of skylights and other penetrations
  • roofing installation neatly finished to all sides of openings and to all wall and parapet junctions
  • installation of flashings (those required to be installed prior to installation of penetrating elements and/or wall linings)
3.22
INSTALL INTEGRATED VENT TILES

Install proprietary underlay penetration flashing sleeve and integrated vent tile over, in accordance with Ross Roof Group Ltd installation requirements.  Installation of integrated vents requires no additional flashing.

Completion
3.23
MAKE GOOD

Seal vertical nails and touch-up all chipped coatings to Ross Roof Group Ltd instructions.

3.24
LEAVE

Leave this work complete with all necessary flashing, undercloaks, valleys, ridges and hips all properly installed as the work proceeds so the finished roof is completely weathertight.

3.25
REMOVE

Remove trade rubbish and unused materials from the roof and surrounds regularly during the work.  Sweep down the completed roof and clean out spouting, gutters and rainwater pipes.  Remove debris, unused materials and elements from the site.

Use this standard generic clause and add specific requirements.

ESD note:  Re-cycling is addressed in the general section 1256 WASTE MANAGEMENT; amend this clause if it is to apply to this section.

4
SELECTIONS

For further details on selections go to www.metrotile.com

Substitutions are not permitted to the following, unless stated otherwise.

If substitutions are permitted modify the statement above, ensure the NO SUBSTITUTIONS clause from GENERAL is treated the same.

 

Select the options to suit the project and delete options not specified.

4.1
METROTILE PRESSED METAL TILES - ANTICA

Location:

~

Manufacturer:

Ross Roof Group Ltd

Profile:

Metrotile - Antica

Dimensions:

Overall length 1295mm, overall cover 1260mm, width of cover 368mm

Roof Pitch:

~

Finish:

~

Colour:

~

Options:

Roof Pitch:

Minimum 12.5º

Finish:

Textured or Satin

Colour:

Textured - Charcoal, Ember, Firenze, Lisbon, Pisa, Provence

 

Satin - Ebony, Grey Friars, Ironsand, Lignite, New Denim Blue, Sandstone Grey

4.2
METROTILE PRESSED METAL TILES - BOND

Location:

~

Manufacturer:

Ross Roof Group Ltd

Profile:

Metrotile - Bond

Dimensions:

Overall length 1325mm, overall cover 1265mm, width of cover 368mm

Roof Pitch:

~

Finish:

~

Colour:

~

Options:

Roof Pitch:

Minimum 12.5º

Finish:

Textured or Satin

Colour:

Satin -  Ebony, Flax, Grey Friars, Ironsand, Karaka, New Denim Blue, Sandstone Grey, Terracotta

 

Textured – Autumn, Brown Bark, Cedar, Charcoal, Coffee Brown, Greenstone, Olive, Silver Grey, Slate, Terracotta

4.3
METROTILE PRESSED METAL TILE - CLASSIC

Location:

 

Manufacturer:

Ross Roof Group Ltd

Profile:

Metrotile - Classic

Dimensions:

Overall length 1325mm, overall cover 1265mm, width of cover 368mm

Roof Pitch:

~

Finish:

~

Colour:

~

Options:

Roof Pitch:

Minimum 12.5º

Finish:

Textured or Satin

Colour:

Satin -  Ebony, Flax, Grey Friars, Ironsand, Karaka, New Denim Blue, Sandstone Grey, Terracotta

 

Textured - Autumn, Brown Bark, Cedar, Charcoal, Coffee Brown, Greenstone, Olive, Silver Grey, Slate, Terracotta

4.4
METROTILE PRESSED METAL TILE - ROMAN

Location:

~

Manufacturer:

Ross Roof Group Ltd

Profile:

Metrotile - Roman

Dimensions:

Overall length 1290mm, overall cover 1220mm, width of cover 368mm

Roof Pitch:

~

Finish:

Textured

Colour:

~

Options:

Roof Pitch:

Minimum 12.5º

Colour:

Charcoal, Clay, Ember, Firenze, Lisbon, Sorrento, Tuscany, Walnut

4.5
METROTILE PRESSED METAL TILE - ROYAL

Location:

~

Manufacturer:

Ross Roof Group Ltd

Profile:

Metrotile - Royal

Dimensions:

Overall length 1330mm, overall cover 1260mm, width of cover 368mm

Roof Pitch:

~

Finish:

Textured

Colour:

~

Options:

Roof Pitch:

Minimum 15º

Colour:

Charcoal, Copper Brown, Forest, Mesquite, Walnut, Weathered Timber

4.6
METROTILE PRESSED METAL TILE - CF SHAKE

Location:

~

Manufacturer:

Ross Roof Group Ltd

Profile:

Metrotile - Shake

Dimensions:

Overall length 1325mm, overall cover 1265mm, width of cover 368mm

Roof Pitch:

~

Finish:

~

Colour:

~

Options:

Roof Pitch:

Minimum 15º

Finish:

Textured or Satin

Colour:

Satin -  Ebony, Flax, Grey Friars, Ironsand, Karaka, Lignite, New Denim Blue, Sandstone Grey

 

Textured - Ashwood, Beechwood, Brown Bark, Cedar, Charcoal, Coffee Brown, Ember, Forest, Greenstone, Mesquite, Walnut, Weathered Timber

4.7
METROTILE PRESSED METAL TILE - CF SLATE

Location:

~

Manufacturer:

Ross Roof Group Ltd

Profile:

Metrotile - CF Slate

Dimensions:

Overall length 1340mm, overall cover 1250mm, width of cover 250mm

Roof Pitch:

~

Finish:

Textured

Colour:

~

Installation:

~

Options:

Roof Pitch:

Minimum 15º

Colour:

Ashwood, Beechwood, Charcoal, Ember, Forest, Mesquite, Walnut, Weathered Timber

Installation:

Over wide battens / over plywood or orientated strand board (OSB) sarking substrate

4.8
METROTILE PRESSED METAL TILE - CF SHINGLE

Location:

~

Manufacturer:

Ross Roof Group Ltd

Profile:

Metrotile - CF Shingle

Dimensions:

Overall length 1340mm, overall cover 1250mm, width of cover 370mm

Roof Pitch:

~

Finish:

Textured

Colour:

~

Installation:

~

Options:

Roof Pitch:

Minimum 12.5º

Colour:

Oakwood, Estate Grey, Charcoal Blend, Barkwood, Arctic Grey

Installation:

Over plywood or orientated strand board (OSB) sarking substrate

4.9
METROTILE PRESSED METAL TILE - TUDOR

Location:

~

Manufacturer:

Ross Roof Group Ltd

Profile:

Metrotile - Tudor

Dimensions:

Overall length 1325mm, overall cover 1265mm, width of cover 368mm

Roof Pitch:

~

Finish:

~

Colour:

~

Options:

Roof Pitch:

Minimum 12.5º

Finish:

Textured or Satin

Colour:

Satin -  Ebony, Flax, Grey Friars, Ironsand, Karaka, New Denim Blue, Sandstone Grey, Terracotta

 

Textured - Brown Bark, Cedar, Charcoal, Coffee Brown, Greenstone, Lisbon, Olive, Silver Grey, Slate, Sunset, Terracotta

Components
4.10
PLYWOOD SUBSTRATE

Location:

Under pressed metal tile roofing

Manufacturer:

~

Brand/grade:

~ / ~

Stress grade

F8

Thickness:

~ mm

Treatment:

~

Fixings:

~

Options:

Grade:

CD or DD

Thickness:

min 9mm for rafters at 450mm crs / min 15mm for rafters at 900mm crs

Treatment:

H3 CCA, H3 LOSP,  (do not use LOSP under  bitumen based kraft roofing underlay)

Fixings:

Nails galvanized, Nails stainless steel, Screws stainless steel

Note:

Delete above if item specified in another section.  Refer to relevant section such as 4337 PLYWOOD ROOFING & DECKING SUBSTRATE.

 

To be used with CF Slate and  CF Shingle or OSB substrate

4.11
ORIENTATED STRAND BOARD (OSB) SUBSTRATE

Location:

Under pressed metal tile roofing

Manufacturer:

~

Thickness:

~ mm

Treatment:

~

Fixings:

~ gauge ~mm stainless steel countersunk head screws

Options:

Treatment:

H3 CCA, H3 LOSP,  (do not use LOSP under bitumen based kraft roofing underlay)

Fixings:

Refer to OSB manufacturers recommendations

Note:

Delete above if  item specified in another section.  Refer to relevant section such as 4338LS LAMINEX NEW ZEALAND STRANDSARKING®

 

To be used with CF Slate and CF Shingle or alternatively use  wide battens  or plywood substrate

4.12
UNDERLAY

Refer to 4161 UNDERLAYS, FOILS AND DPC

Accessories
4.13
METROTILE FLASHING, CAPPINGS AND COVERS

Trim type:

~

Finish:

To match tiles

Tiles:

To match tiles

Trim options:

Refer to Ross Roof Group Ltd for options; these include;

 

barrel ridge, V ridge, standard side flashing, end cap trim, end cap V ridge, metal tile valley, angle ridge, standard ridge, standard barge, notched barge LH, notched barge LH, Roman headwall, notched barge RH, notched barge LH, A.E. apron, A.E. barge, Roman birdstop NZ, Roman short course NZ and Classic headwall.

4.14
CLOSURE STRIP

Location:

To hip and ridge flashing

Manufacturer:

Tetral Bitufoam™

Size:

20mm x 20mm

Note:

To be used with CF Slate and CF Shingle tile hip / ridge trim or alternatively use a peel & stick membrane detail

4.15
PEEL & STICK FLASHING

Location:

To hip and ridge flashing

Manufacturer:

Thermakraft Aluband™ Peel & stick waterproof membrane

Size:

150mm wide

Note:

To be used with CF Slate and CF Shingle tile hip / ridge trim or alternatively use closure strip  detail.

4.16
INTEGRATED VENT TILES - LV75 ROOF SPACE VENT

Location:

~

Manufacturer:

Ross Roof Group Ltd

Profile:

~

Finish:

To match adjacent tiles

Colour:

To match adjacent tiles

Accessories:

UV2000 Underlay penetration sleeve complete with insect grille

Options:

Profile:

LV75SHAKE, suitable for Shake & Royal roof tile profiles

 

LV75CLASS suitable for Classic roof tile profiles

 

LV75TUDOR suitable for Tudor roof tile profiles

 

LV75ANTICA suitable for Antica roof tile profiles

Note:

Suitable for roof pitches 15-60º

4.17
INTEGRATED VENT TILE - HV110 SANITARY VENT

Location:

~

Manufacturer:

Ross Roof Group Ltd

Profile:

~

Finish:

To match adjacent tiles

Colour:

To match adjacent tiles

Accessories:

PENSLE110 Underlay penetration flashing to fit 110mm dia pipe

 

FLEXIPI110 110mm dia flexi pipe with 80mm dia connector

Options:

Profile:

HV110SHAKE, suitable for Shake & Royal roof tile profiles

 

HV110CLASS suitable for Classic roof tile profiles

 

HV110TUDOR suitable for Tudor roof tile profiles

 

HV110ANTICA suitable for Antica roof tile profiles

Note:

Suitable for roof pitches 15-45º

4.18
INTEGRATED VENT TILE - HV 160 EXTRACTION VENT

Location:

~

Manufacturer:

Ross Roof Group Ltd

Profile:

~

Finish:

To match adjacent tiles

Colour:

To match adjacent tiles

Accessories:

PENSLE160 Underlay penetration flashing to fit 110mm dia pipe

 

APP160 / ~ Adaptor

Options:

Profile:

HV160SHAKE, suitable for Shake & Royal roof tile profiles

 

HV160CLASS suitable for Classic roof tile profiles

 

HV160TUDOR suitable for Tudor roof tile profiles

 

HV160ANTICA suitable for Antica roof tile profiles

Accessories:

APP160/150 Adaptor to connect onto 150mm dia flexi-pipe

 

APP160/125 Adaptor to connect onto 125mm dia flexi-pipe

Note:

Suitable for roof pitches 15-45º