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[CCMC 13510-R] CCMC Canadian code compliance evaluation

In most jurisdictions this document is sufficient evidence for approval by Canadian authorities.

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Compliance opinion

It is the opinion of the Canadian Construction Materials Centre that the evaluated product, when used as exterior insulating sheathing with an integral sheathing membrane (weather side) in accordance with the conditions and limitations stated in this evaluation, complies with the following codes:

National Building Code of Canada 2015

ID Code provision Solution type
09-25-02-02-01-d- Insulation MaterialsAcceptable
09-27-03-02-00-0- Sheathing Membrane Material StandardAlternative
09-27-03-03-00-0- Required Sheathing Membrane and InstallationAcceptable

National Building Code of Canada 2020

ID Code provision Solution type
92703020000009.27.3.2. Sheathing Membrane Material StandardAlternative
92703030000009.27.3.3. Required Sheathing Membrane and InstallationAcceptable

Ontario Building Code

Ruling No. 15-03-324 (13510-R) authorizing the use of this product in Ontario, subject to the terms and conditions contained in the Ruling, was made by the Minister of Municipal Affairs and Housing on 2015-01-05 pursuant to s.29 of the Building Code Act, 1992 (see Ruling for terms and conditions). This Ruling is subject to periodic revisions and updates.

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

Legerclad (Composite EPS Board and Sheathing Membrane)

Product description

The product is a Type 2, preformed moulded, expanded polystyrene rigid insulation panel (CCMC 12836-L). The panels are plant-laminated to a spun-bonded olefin sheathing membrane (Typar® CCMC 12892-R made by Fiberweb, LLC) with THERMOBOND JPS70300, a hot melt adhesive, applied in 0.51 mm thicknesses every 7.6 mm. The panels are commonly 1 219 mm × 2 438 mm or 1 219 mm × 2 743 mm and are available in 25 mm to 76 mm thicknesses. A sample of the product is shown in the figure below.

Illustration of Legerclad panels stacked on top of one another.

Figure 1. "Legerclad (Composite EPS Board and Sheathing Membrane)" panel

Manufacturing plant

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

Product nameManufacturing plant
Pointe-Claire, QC, CA
Legerclad (Composite EPS Board and Sheathing Membrane)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 product must be installed:
    • with the printed side facing outward and must be protected from exposure to ultraviolet (UV) radiation from the sun within 60 days,
    • in accordance with Article, Insulating Sheathing in lieu of Sheathing Membrane, of Division B of the NBC 2015, and the manufacturer’s current instructions; and
    • with a minimum 10 mm air space between the sheathing membrane and the cladding, unless the cladding has been deemed to not require an air space (e.g., deemed by the CCMC or by building officials based on past cladding performance).
  • Thicknesses greater than 50 mm and having a water vapour permeance less than 60 ng/(Pa·s·m2) must comply with Article, Position of Low Permeance Materials, of Division B of the NBC 2015.
  • Sheathing tape (CCMC-evaluated) must be used to seal all joints.
  • A concealed air space that is more than 25 mm wide must contain proper fire blocking, in accordance with Subsection 9.10.16., Fire Blocks, of Division B of the NBC 2015.
  • When sheathing is required, the product must have a minimum thickness of 38 mm as per Table of Division B of the NBC 2015.
  • Use of this product as part of an air barrier system is covered under a separate the CCMC Evaluation Report (see CCMC 13519-R).
  • The product must be clearly identified with “CCMC 13510-R” and the name of the manufacture or logo.

  Technical information

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

Evaluation requirements
Criteria number Criteria name
CCMC-TG-072510.06-15ACCMC Technical Guide for Faced Insulating Sheathing Panel
CCMC-TG-072510.06-20ACCMC Technical Guide for Faced Insulating Sheathing Panel

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

Sheathing membrane (Typar®) with the adhesive

The table below assesses the effect of the adhesive on the sheathing membrane’s performance.

Table 1. Results of testing the performance requirements of the product
Property Unit Requirement Result
Tensile strength N/mm ≥ 3.5 4.27
Breaking force N ≥ 180 MDTable footnote (1) ≥ 160 XD 441.7 MD 354.0 XD
Water vapour permeance ng/(Pa·s·m2) ≥ 170 406
Water ponding (original) No leakage Pass
Tensile strength after UV exposure % retention of original ≥ 90 93.9%
Tensile strength after UV exposure and heat aging % retention of original ≥ 85 120%
Water vapour permeance after UV exposure and heat aging ng/(Pa·s·m2) ≥ 170 315
Water ponding after UV exposure and heat aging No leakage Pass

Legerclad composite panel – face down

Table 2. Result of testing the water vapour permeance of the product
Property Unit Requirement Result
Water vapour permeance with NBC-required directionality ng/(Pa·s·m2) ≥ 60 77.0Table footnote (1)

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.


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.


© 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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