[CCMC 14113-R] CCMC Canadian code compliance evaluation
From: National Research Council Canada
Westlake Royal Roofing LLC.
3093 Industry Street
|Product name:||Unified Steel Stone Coated Roofing - GRANITE-RIDGE Shingle|
|Code compliance:||NBC 2015|
In most jurisdictions this document is sufficient evidence for approval by Canadian authorities.Learn more about CCMC recognition Look for the trusted CCMC mark on products to verify compliance.
Code compliance opinion
It is the opinion of the Canadian Construction Materials Centre that the evaluated product, when used as a metal roofing system in accordance with the conditions and limitations stated in this evaluation, complies with the following code:
National Building Code of Canada 2015
|ID||Code provision||Solution type|
|09-03-03-02-00-0-00||220.127.116.11. Galvanized Sheet Steel||Acceptable|
|09-26-01-02-00-0-00||18.104.22.168.(1) Roofs shall be protected with roofing, i ...||Acceptable|
|09-26-02-00-00-0-00||9.26.2. Roofing Materials||Alternative|
The above opinion is 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 nameUnified Steel Stone Coated Roofing - GRANITE-RIDGE Shingle
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 interlocked at both horizontal and vertical joints when installed.
The Unified Steel Stone Coated Roofing - GRANITE-RIDGE Shingle panel is 1 170 mm in overall length of which 1 118 mm is exposed and 397 mm in overall width of which 348 mm is exposed width (course cover). The panel is installed without battens. The Unified Steel Stone Coated Roofing - GRANITE-RIDGE Shingle panel is shown in Figure 2.
The complete roofing system includes accessories such as the starter strip, rake cover, hip and ridge cover, valley and valley cap, reglet and Z-bar.
This evaluation is valid only for products produced at the following plant:
|Product name||Manufacturing plant|
|Oceanside, CA, US|
|Unified Steel Stone Coated Roofing - GRANITE-RIDGE Shingle||Product 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 two layers of Type 15 organic felt or one 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 14113-R.”
This evaluation is based on demonstrated conformance with the following criteria:
|Criteria number||Criteria name|
|CCMC-TG-074113-15A||CCMC Technical Guide for Metal Roof Panels|
|Thickness (mm)||≥ 0.33||0.42|
|Thickness of aluminum-zinc coating (g/m2)||≥ 150||171|
|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|
Traffic load test
Under an applied load of 890 N, the panel withstood the force without permanent distortion.
|1.4||No evidence of deformation, permanent damage or failure||Pass|
|2.9||No evidence of deformation, permanent damage or failure||Pass|
|4.3||No evidence of deformation, permanent damage or failure||Pass|
|9.1Table footnote footnote (2)||No evidence of deformation, permanent damage or failure||Plywood fastener pull-through|
Dynamic pressure water infiltration resistance
|Wind speed (km/h)Table footnote footnote (2)||Simulated rainfall (L/m2•min)||Duration (min)||Requirement||Result|
|50||3.4||15||No leakage or damage||Pass|
|110||3.4||15||No leakage or damage||Pass|
|140||3.4||15||No leakage or damage||Pass|
|170||3.4||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
|Sample||Average initial weight (g)||Average final weight (g)||Average weight loss (g)|
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.
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.
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In the case of any discrepancy between the English and French version of this document, the English version shall prevail.
© His Majesty the King in Right of Canada, as represented by the National Research Council of Canada, 2023
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.