[CCMC 14145-R] CCMC Canadian code compliance evaluation

From: National Research Council Canada

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Compliance opinion

National Building Code of Canada 2015

ID Code provision Solution type
09-27-02-00-00-0-009.27.2. Required Protection from PrecipitationAcceptable
09-27-05-00-00-0-009.27.5. Attachment of CladdingAcceptable
09-27-12-00-00-0-009.27.12. Vinyl SidingAlternative

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 name

American Original Shake and Scallop Siding

Product description

The polypropylene wall siding material and corners are made with an injection molding process. The injection molding process allows for a deep shadow catching grain on the siding panels. Panels are attached to the building structure with corrosion-resistant fasteners every 406 mm (16 in.) through the nail hem slots. These fasteners are concealed once the upper row of siding is installed. Traditional 177.8 mm (7 in.) shake siding panels have a nominal wall thickness of 2.3 mm (0.09 in.).

Manufacturing plant

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

Product nameManufacturing plant
Akron, OH, US
American Original Shake and Scallop SidingProduct 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 products are limited to use as exterior siding for the buildings falling within the scope of Part 9, Housing and Small Buildings, of Division B of the NBC 2015.
  • When installed, all the building elements relevant to the product must comply with the requirements of the NBC 2015.
  • The siding panels must be installed on furring that provides a second line of defence consisting of a continuous, clear, uninterrupted air space of 19 mm outboard of the sheathing membrane.
  • The furring must be installed over the sheathing membrane.
  • The system requires flashing at appropriate locations in order to drain water to the outside.
  • Furring for the attachment of the cladding must be securely nailed to the sheathing or framing, spaced not more than 600 mm on centre (o.c.), and be not less than 19 mm × 38 mm.
  • As per the manufacturer’s installation guidelines, 38-mm-diam plastic spacers must be used behind nailing slots that are not aligned with the furring.
  • The product must be clearly identified with the phrase “CCMC 14145-R” on its packaging.

  Technical information

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

Evaluation requirements
Criteria number Criteria name
CCMC-TG-074633.04-15CCCMC Technical Guide for Polypropylene Siding

The evaluation holder has submitted technical documentation for CCMC’s evaluation. Testing was conducted at laboratories recognized by the CCMC. The corresponding technical evidence for this product is summarized below.

Material requirements
Table 1. Material test results
Property Unit Requirement Result
Impact resistance N·m ≥ 3.95 7.9
Weathering -- Siding shall be free of any structural changes or visible surface changes Pass
Performance requirements
Table 2. Performance test results
Property Requirement Result
Deformation (sustained pressure) No damage observed after a sustained pressure for 1 hour at a maximum pressure of ± 1 000 Pa Q50< 1.00 kPaTable footnote (1)Table footnote (2)Table footnote (3)
Repeated positive and negative pressure test (cyclic pressure) No damage observed after 2 000 cycles reversing from positive to negative pressures at a maximum of ± 1 460 Pa Q50 < 1.00 kPa
Safety test (gust loads) No damage observed after a maximum applied pressure of 2 180 Pa for 3 seconds Q50 < 1.00 kPa
Surface burning characteristicsTable footnote (4) flame spread Declare 125
smoke developed Declare 455

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.


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, 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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