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[CCMC 14112-R] CCMC Canadian code compliance evaluation

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Compliance opinion

It is the opinion of the Canadian Construction Materials Centre that the evaluated products, when used as a metal roofing system in accordance with the conditions and limitations stated in this evaluation, comply with the following code:

National Building Code of Canada 2015

ID Code provision Solution type
09-03-03-02-00-0-009.3.3.2. Galvanized Sheet SteelAcceptable
09-26-01-02-00-0-009.26.1.2.(1) Roofs shall be protected with roofing, i ...Acceptable
09-26-02-00-00-0-009.26.2. Roofing MaterialsAlternative
09-26-13-01-00-0-009.26.13.1. ThicknessAcceptable

The above opinion(s) is/are based on the evaluation by the CCMC of technical evidence provided by the evaluation holder, and is bound by the stated conditions and limitations. For the benefit of the user, a summary of the technical information that forms the basis of this evaluation has been included.

Product information

Product names

  • Unified Steel Stone Coated Roofing - BARREL-VAULT Tile
  • Unified Steel Stone Coated Roofing - COTTAGE Shingle
  • Unified Steel Stone Coated Roofing - PACIFIC Tile
  • Unified Steel Stone Coated Roofing - PINE-CREST Shake

Product description

The panels are formed from 0.42-mm-thick aluminum zinc alloy steel sheet metal. The underside of the panels is finished with a corrosion- resistant coating. The upper surface of the panels is finished with an acrylic resin base coat onto which crushed natural stone chips are spread and then covered with an acrylic overglaze (see Figure 1). The panels are overlapped at both horizontal and vertical joints when installed.

Material layers in the products:
1. Pure acrylic overglaze
2. Crushed natural stone chips
3. Acrylic resin base coat
4. Acrylic film
5. Aluminum zinc coating
6. Base steel
7. Aluminum zinc coating
8. Acrylic film

Figure 1. Material layers in the products

  1. Pure acrylic overglaze
  2. Crushed natural stone chips
  3. Acrylic resin base coat
  4. Acrylic film
  5. Aluminum zinc coating
  6. Base steel
  7. Aluminum zinc coating
  8. Acrylic film

 

The Unified Steel Stone Coated Roofing - BARREL-VAULT Tile panel is 1 113 mm in overall length of which 1 099 mm is exposed and 356 mm in exposed width (course cover). The panel is installed with or without battens. The Unified Steel Stone Coated Roofing - BARREL-VAULT Tile panel is shown in Figure 2.

“Unified Steel Stone Coated Roofing - BARREL-VAULT Tile” panel

Figure 2. Unified Steel Stone Coated Roofing - BARREL-VAULT Tile panel

 

The Unified Steel Stone Coated Roofing - PINE-CREST Shake and Unified Steel Stone Coated Roofing - PACIFIC Tile panels are 1 321 mm in overall length of which 1 270 mm is exposed and 368 mm in exposed width (course cover). The panels are installed with or without battens. The Unified Steel Stone Coated Roofing - PINE-CREST Shake and Unified Steel Stone Coated Roofing - PACIFIC Tile panels are shown in Figures 3 and 4, respectively.

“Unified Steel Stone Coated Roofing - PINE-CREST Shake” panel

Figure 3. Unified Steel Stone Coated Roofing - PINE-CREST Shake panel

 

“Unified Steel Stone Coated Roofing - PACIFIC Tile” panel

Figure 4. Unified Steel Stone Coated Roofing - PACIFIC Tile panel

 

The Unified Steel Stone Coated Roofing - COTTAGE Shingle panel is 1 295 mm in overall length of which 1 206 mm is exposed and 356 mm in exposed width (course cover). The panel is installed without battens. The Unified Steel Stone Coated Roofing - COTTAGE Shingle panel is shown in Figure 5.

“Unified Steel Stone Coated Roofing - COTTAGE Shingle” panel

Figure 5. Unified Steel Stone Coated Roofing - COTTAGE Shingle panel

 

The complete roofing system includes accessories such as trim, cap, rake cover, fascia, drip-edge, valley and Z-bar. Details of a typical batten installation are shown in Figure 6.

Typical installation of the products with battens:
 1. two 50 mm × 50 mm battens stacked for ridge build-up (cut-bent to fit)
 2. mission trim or shake cap depending on profile
 3. fill row (cut-bent to fit)
 4. shake cap

Figure 6. Typical installation of the products with battens

  1.  two 50 mm × 50 mm battens stacked for ridge build-up (cut-bent to fit)
  2.  mission trim or shake cap depending on profile
  3.  fill row (cut-bent to fit)
  4.  shake cap
A typical installation without battens is shown in Figure 7.

 

Typical installation of the products without battens:
 1. two 50 mm × 50 mm battens stacked for ridge build-up (cut-bent to fit)
 2. mission trim or shake cap depending on profile
 3. fill row (cut-bent to fit)
 4. shake cap

Figure 7. Typical installation of the products without battens

  1.  two 50 mm × 50 mm battens stacked for ridge build-up (cut-bent to fit)
  2.  mission trim or shake cap depending on profile
  3.  fill row (cut-bent to fit)
  4.  shake cap

 

Manufacturing plant

This evaluation is valid only for products produced at the following plant:

Product namesManufacturing plant
Oceanside, CA, US
Unified Steel Stone Coated Roofing - BARREL-VAULT TileProduct evaluated by the CCMC
Unified Steel Stone Coated Roofing - COTTAGE ShingleProduct evaluated by the CCMC
Unified Steel Stone Coated Roofing - PACIFIC TileProduct evaluated by the CCMC
Unified Steel Stone Coated Roofing - PINE-CREST ShakeProduct evaluated by the CCMC

Product evaluated by the CCMC Indicates that the product from this manufacturing facility has been evaluated by the CCMC

  Conditions and limitations

The CCMC’s compliance opinion is bound by this product being used in accordance with the conditions and limitations set out below.

  • The panels must be installed on roofs having a minimum slope of 1 in 3.
  • The panels must be installed over solid sheathing complying with the requirements of Subsection 9.23.16., Roof Sheathing, of Division B of the NBC 2015.
  • Flashing must be installed in compliance with the requirements of Subsection 9.26.4., Flashing at Intersections, of Division B of the NBC 2015.
  • The panels must be installed with eave protection as indicated in Subsection 9.26.5., Eave Protection for Shingles and Shakes, of Division B of the NBC 2015.
  • The panels must be installed with an underlay consisting of 2 layers of Type 15 organic felt or 1 layer of Type 30 organic felt complying with the requirements of Subsection 9.26.6., Underlay beneath Shingles, of Division B of the NBC 2015.
  • Only fasteners and accessories supplied by the manufacturer may be used in conjunction with the products. The fasteners and accessories must be compatible with the base metal of the panels.
  • The panels must be installed in strict conformance with the manufacturer’s instructions.
  • The roofing systems are for use in locations where access is limited for maintenance or repair purposes. When access is needed, temporary walkways or roof boards are recommended to avoid any permanent damage to the panels.
  • The product or its packaging must be clearly identified with the phrase “CCMC 14112-R.”

  Technical information

This evaluation is based on demonstrated conformance with the following criteria:

Evaluation requirements
Criteria number Criteria name
CCMC-TG-074113-15ACCMC Technical Guide for Metal Roof Panels
Material requirements
Table 1. Galvanized and aluminum-zinc allow coated steel base material requirements and performance data
Property Requirement Result
Thickness (mm) ≥ 0.33 Pass
Thickness of aluminum-zinc coating (g/m2) ≥ 150 Pass
Flexibility No flaking or micro-cracking Pass
Humidity resistance No formation of blisters Pass
Salt spray resistance ≥ 7 rating Pass
Durability Slight colour change; not greater than No. 8 degree of chalking; no flaking or cracking Pass

 

Performance requirements

Traffic load test

Under an applied load of 890 N, the panels withstood the force without excessive permanent deformation.

Uniform load test

The panels withstood an applied external load up to 5 000 N without failure and with negligible deformation.

Wind uplift

Table 2. Results of wind uplift testing for standard 5-screw installation of Unified Steel Stone Coated Roofing - Pacific TileTable footnote footnote (1)
Pressure (kPa) Time (min) Requirement Result
0.8 5 No evidence of deformation, permanent damage or failure Pass
1.2 5 No evidence of deformation, permanent damage or failure Pass
1.5 5 No evidence of deformation, permanent damage or failure Pass
1.9 5 No evidence of deformation, permanent damage or failure Pass
2.7 5 No evidence of deformation, permanent damage or failure Pass
5.8 1 No evidence of deformation, permanent damage or failure Pass
6.5 1 No evidence of deformation, permanent damage or failure Pass
7.2 1 No evidence of deformation, permanent damage or failure Pass
7.9 1 No evidence of deformation, permanent damage or failure Pass
8.6Table footnote footnote (2) 1 - Fasteners pulled through battens
Table 3. Results of wind uplift testing for high wind 10-screw installation of Unified Steel Stone Coated Roofing - PACIFIC TileTable footnote footnote (1)
Pressure (kPa) Time (min) Requirement Result
0.8 5 No evidence of deformation, permanent damage or failure Pass
1.2 5 No evidence of deformation, permanent damage or failure Pass
1.5 5 No evidence of deformation, permanent damage or failure Pass
1.9 5 No evidence of deformation, permanent damage or failure Pass
2.7 5 No evidence of deformation, permanent damage or failure Pass
5.8 1 No evidence of deformation, permanent damage or failure Pass
6.5 1 No evidence of deformation, permanent damage or failure Pass
7.2 1 No evidence of deformation, permanent damage or failure Pass
7.9 1 No evidence of deformation, permanent damage or failure Pass
8.6 1 No evidence of deformation, permanent damage or failure Pass
9.4 1 No evidence of deformation, permanent damage or failure Pass
10.1 1 No evidence of deformation, permanent damage or failure Pass
10.8 1 No evidence of deformation, permanent damage or failure Pass
11.5 1 No evidence of deformation, permanent damage or failure Pass
12.2 1 No evidence of deformation, permanent damage or failure Pass
13.0 1 No evidence of deformation, permanent damage or failure Pass
13.7 1 No evidence of deformation, permanent damage or failure Pass
14.4 1 No evidence of deformation, permanent damage or failure Pass
15.1Table footnote footnote (2) 1 - Fasteners pulled through battens

 

Dynamic pressure water infiltration resistance

Table 4. Results of testing the dynamic water infiltration resistance of Unified Steel Stone Coated Roofing - Pacific TileTable footnote footnote (1)
Wind speed (km/h)Table footnote footnote (2) Simulated rainfall (L/m2•min) Duration Requirement Result
50 3.7 15 No leakage or damage Pass
110 3.7 15 No leakage or damage Pass
140 3.7 15 No leakage or damage Pass
170 3.7 5 No leakage or damage Pass

 

Other technical evidence

Additional performance data requested by the Report Holder

Data in this section do not form part of CCMC’s opinion in Section 1.

Granular mineral surfacing

Table 5. Results of testing the granule adhesion of the products
Sample Average initial weight (g) Average final weight (g) Average weight loss (g)
Colour quartz 65.074 64.985 0.096
Roofing granule 63.88 63.71 0.176

 

Administrative information

Use of Canadian Construction Materials Centre (CCMC) assessments

This assessment must be read in the context of the entire CCMC Registry of Product Assessments, any applicable building code or by-law requirements, and/or any other regulatory requirements (for example, the Canada Consumer Product Safety Act, the Canadian Environmental Protection Act, etc.).

It is the responsibility of the user to confirm that the assessment they are using is current and has not been withdrawn or superseded by a later version on the CCMC Registry of Product Assessments.

Disclaimer

The National Research Council of Canada (NRC) has evaluated only the characteristics of the specific product described herein. The information and opinions in this evaluation are directed to those who have the appropriate degree of experience to use and apply its contents (such as authorities having jurisdiction, design professionals and specifiers). This evaluation is valid when the product is used as part of permitted construction, respecting all conditions and limitations stated in the evaluation, and in accordance with applicable building codes and by-laws.

This evaluation is provided without representation, warranty or guarantee of any kind, expressed or implied, and the NRC provides no endorsement for any evaluated product. The NRC accepts no responsibility whatsoever arising in any way from any and all use of or reliance on the information contained herein or the use of any evaluated product. The NRC is not undertaking to render professional or other services on behalf of any person or entity nor to perform any duty owed by any person or entity to another person or entity.

Language

Une version française de ce document est disponible.
In the case of any discrepancy between the English and French version of this document, the English version shall prevail.

Copyright

© His Majesty the King in Right of Canada, as represented by the National Research Council of Canada, 2024

All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, electronic, mechanical, photocopying, recording or otherwise, without the prior written permission of the CCMC.

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From: National Research Council Canada

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