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[CCMC 13459-R] CCMC Canadian code compliance evaluation

From: National Research Council Canada

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Compliance opinion

It is the opinion of the Canadian Construction Materials Centre that the evaluated products, when used as a vapour barrier and a thermal insulation board faced with a low-emissivity material (LEM) that is installed in conjunction with a furred air space assembly in enclosed foundation walls in accordance with the conditions and limitations stated in this evaluation, comply with the following codes:

National Building Code of Canada 2015

ID Code provision Solution type
09-25-02-02-00-0-009.25.2.2.(1) Except as required in Sentence 9.25.2.2. ...Alternative
09-25-02-02-01-d-009.25.2.2.(1)(d) Insulation MaterialsAcceptable
09-25-04-02-00-0-009.25.4.2.(4) Membrane-type vapour barriers other than ...Alternative
09-25-04-02-00-0-009.25.4.2.(1) Vapour barriers shall have a permeance n ...Acceptable
09-25-04-03-00-0-009.25.4.3. Installation of Vapour BarriersAcceptable
09-36-02-02-04-b-009.36.2.2.(4)(b) Determination of Thermal Characteristics of Materials, Components and AssembliesAlternative
09-36-02-08-00-0-009.36.2.8. Thermal Characteristics of Building Assemblies Below-Gradeor in Contact with the GroundAlternative

National Building Code of Canada 2020

ID Code provision Solution type
9.25.2.2.9.25.2.2.(1) Except as required in Sentence 9.25.2.2. ...Alternative
9.25.4.2.9.25.4.2.(1) Except as provided in Sentence 9.25.4.2. ...Acceptable
9.25.4.2.9.25.4.2.(5) Membrane-type vapour barriers other than ...Alternative
9.25.4.3.9.25.4.3. Installation of Vapour BarriersAcceptable
9.36.2.8.9.36.2.8. Thermal Characteristics of Building Assemblies Below-Gradeor in Contact with the GroundAlternative

Ontario Building Code

Ruling No. 14-02-298 (13459-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 2014-09-22 (revised 2017-06-26) 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 names

  • EZfoil
  • Isofoil
  • PROfoil

Product description

The product consists of a 76-mm-thick moulded, expanded polystyrene insulation board (Type 1) (see CCMC 12894-L), which is laminated on 1 side with a facer of aluminized kraft paper with LEM characteristics.

The product is nailed to the interior side of 200-mm-thick poured concrete foundation walls with its low-emissivity material facing a furred air space assembly (i.e., air cavity, furring and gypsum board interior finish). The joints of the product are sealed with 50-mm-wide aluminum tape.

The configuration of the furred air space assembly varies depending on furring size, orientation and spacing. Five configurations of the furred air space assembly were evaluated in conjunction with an insulated foundation wall. (see the Tables in Technical information).

Manufacturing plant

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

Product namesManufacturing plant
Sainte-Marie-de Beauce, QC, CA
EZfoilProduct evaluated by the CCMC
IsofoilProduct evaluated by the CCMC
PROfoilProduct 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 is permitted for use in buildings that fall within the scope of Part 9, Housing and Small Buildings, of Division B of the NBC 2010.
  • The product must be installed within the wall systems specified in Table 3 to Table 7 and must be installed in accordance with the manufacturer’s installation instructions and Part 9, Housing and Small Buildings, of Division B of the NBC 2010.
  • The aluminum foil surface of the product must be clean and free of defects.
  • The joints of the product must be sealed with 50-mm-wide aluminum tape.
  • The concrete density used to establish the thermal resistance of the wall configurations specified in Table 3to Table 7 is 2 400 kg/m3, which corresponds to the normal concrete density referenced in CSA-A23.1-09, “Concrete Materials and Methods of Concrete Construction.” As per the American Society of Heating, Refrigerating and Air-Conditioning Engineers, Inc. (ASHRAE), since a range of concrete conductivity values are assigned to the concrete density of 2 400 kg/m3, the lowest (k1 = 1.4 W/m∙K) and highest (k2 = 2.9 W/m∙K) thermal conductivity values assigned to this concrete density have been considered. Table 3 to Table 7 state 3 thermal resistance values per wall assembly:
    1. the thermal resistance value of the wall, which excludes the interior and exterior air films;
    2. the design thermal resistance value, which includes the air films; and
    3. the thermal resistance contribution of the furred air space assembly.

These values are valid if the product is free of construction imperfections, condensation in the cavity and dust on the surface of the aluminum foil.

Note: Should additional insulation material be added to the wall assemblies specified in Table 3 to Table 7, testing or numerical modeling must be conducted to accurately assess the overall thermal resistance of the modified wall assemblies. The thermal resistance provided by the additional insulation cannot be added algebraically to the published thermal resistance of the wall assemblies.

  • The wall configurations specified in Table 3 to Table 7 must meet the requirements for air barriers stated in Subsection 9.25.3., Air Barrier Systems, of Division B of the NBC 2010. The product must be installed in conjunction with the Isolofoam Group proprietary air barrier system, which must be approved by the building official or evaluated by CCMC.
  • The furred air space assembly must be enclosed by a 12.7-mm-thick gypsum board interior finish conforming to Subsection 9.29.5., Gypsum Board Finish (Taped Joints), of Division B of the NBC 2010. The air space must also be sealed at the interior finish to prevent any air exchange between the furred air space and the interior space. Sealing the air space at the perimeter of the wall, around outlets, etc. must be carried out in accordance with the manufacturer’s installation instructions.
  • All ends and edges of the gypsum board must occur over furring members or joints must be taped.
  • The heat transfer, vapour diffusion and air barrier control details between the floor joists at the rim board must meet the requirements of the NBC 2010.
  • Where applicable, the concealed spaces created by the furred air space assembly must include fire blocks that comply with Subsection 9.10.16., Fire Blocks, of Division B of the NBC 2010.
  • Product packaging must be identified with the manufacturer’s name or logo and the phrase “CCMC 13459-R.”

  Technical information

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

Evaluation requirements
Criteria number Criteria name
CCMC-TG-072131.03-15CCMC Technical Guide for Foundation Wall System with Low Emissivity Material and Furred-Airspace Assembly
CCMC-TG-072131.03-20CCMC Technical Guide for Foundation Wall System with Low Emissivity Material and Furred-Airspace Assembly

Evidence based on numerical modeling has also been submitted to CCMC.

Material requirements

Insulation board

Table 1. Results of testing the material requirements of the insulation board
Property Unit Requirement Result
Board conforms to CAN/ULC-S701-05 and CAN/ULC-S701-11 — Pass Pass: Type 1
Water vapour permeance conforms to ASTM E 96/E 96M-05 (Desiccant Method) ng/Pa∙s∙m2 ≤ 60 4.23
Water vapour permeance after weathering and heat aging ng/Pa∙s∙m2 ≤ 60 5.08

Low-emissivity material (foil only)

Table 2. Results of testing the low-emissivity material (foil only) of the product
Property Unit Requirement Result
Foil conforms to CAN/CGSB-51.33-M89 — Pass Pass: Type 2
Emissivity — Report value 0.036
Emissivity after weathering and heat aging % Max. 5% higher than original value −2.7
Water vapour permeance ng/Pa∙s∙m2 ≤ 60 2.1Table footnote (1)
Water vapour permeance after weathering and heat aging ng/Pa∙s∙m2 ≤ 60 14.4
Adhesion strength (peel force) N Report value 2.9
Adhesion strength after weathering and heat aging % ≥ 85% of original value 89.7

Performance requirements

Heat transfer control (Isofoil, PROfoil, EZfoil board with a furred air space assembly)

The thermal resistance of the manufacturer’s designated wall assembly shown in Figure 1 was determined based on testing in accordance with ASTM C 1363-11, “Standard Test Method for Thermal Performance of Building Materials and Envelope Assemblies by Means of a Hot Box Apparatus,” and modeling using the hygIRC-C model. The test program included full-scale testing of a complete wall assembly and a base wall assembly (complete wall without the furred air space assembly). To facilitate testing, both full-scale wall assemblies incorporated a plywood layer instead of the 200-mm-thick concrete layer mentioned in the description. The test results were used to validate the hygIRC-C model, which was then used to determine the thermal resistance values of the actual wall assembly shown in Figure 1 with a concrete layer. These values are reported in Table 3 The thermal resistance values of the manufacturer’s designated wall assemblies shown in Table 4 to Table 7 were determined based on modeling using the hygIRC-C model.

Table 3. Results of testing the thermal resistance values for the manufacturer’s designated wall assembly No. 1
Property Unit Requirement Result
k1Table footnote (1) k2Table footnote (1)
Room-side air temperature °C Report value 20 20
Weather-side air temperature °C Report value −35 −35
Thermal resistance of the wallTable footnote (2) m2∙K/W Report value 3.10 3.03
Design thermal resistance of the wallTable footnote (3) m2∙K/W Report value 3.25 3.18
Contribution of the furred air space assembly to the thermal resistance of the wallTable footnote (4), Table footnote (5) m2∙K/W Report value 0.62 0.55
furred air space assembly
Figure 1. Isofoil, PROfoil, EZfoil adjacent to the furred air space assembly installed within the manufacturer’s designated wall assembly No. 1:
  1. concrete wall (200 mm thick)
  2. aluminum tape
  3. Isofoil, PROfoil, EZfoil (76 mm thick) with low-emissivity material facing the furred air space
  4. wood furring (19 mm × 64 mm) installed vertically at 600 mm on centre (o.c.)
  5. gypsum board (12.7 mm thick) installed vertically
Table 4. Results of testing the thermal resistance values for the manufacturer’s designated wall assembly No. 2
Property Unit Requirement Result
k1Table footnote (1) k2Table footnote (1)
Room-side air temperature °C Report value 20 20
Weather-side air temperature °C Report value −35 −35
Thermal resistance of the wallTable footnote (2) m2∙K/W Report value 3.02 2.95
Design thermal resistance of the wallTable footnote (3) m2∙K/W Report value 3.17 3.10
Contribution of the furred air space assembly to the thermal resistance of the wallTable footnote (4), Table footnote (5) m2∙K/W Report value 0.54 0.47

 

furred air space assembly
Figure 2. Isofoil, PROfoil, EZfoil adjacent to the furred air space assembly installed within the manufacturer’s designated wall assembly No. 2:
  1. concrete wall (200 mm thick)
  2. aluminum tape
  3. Isofoil, PROfoil, EZfoil (76 mm thick) with low-emissivity material facing the furred air space
  4. wood furring (19 mm × 64 mm) installed vertically at 600 mm on centre (o.c.)
  5. gypsum board (12.7 mm thick) installed vertically
Table 5. Results of testing the thermal resistance values for the manufacturer’s designated wall assembly No. 3
Property Unit Requirement Result
k1 Table footnote (1) k2 Table footnote (1)
Room-side air temperature °C Report value 20 20
Weather-side air temperature °C Report value −35 −35
Thermal resistance of the wallTable footnote (2) m2∙K/W Report value 2.96 2.89
Design thermal resistance of the wallTable footnote (3) m2∙K/W Report value 3.11 3.04
Contribution of the furred air space assembly to the thermal resistance of the wallTable footnote (4), Table footnote (5) m2∙K/W Report value 0.48 0.41
furred air space assembly
Figure 3. Isofoil, PROfoil, EZfoil adjacent to the furred air space assembly installed within the manufacturer’s designated wall assembly No. 3:
  1. concrete wall (200 mm thick)
  2. aluminum tape
  3. Isofoil, PROfoil, EZfoil (76 mm thick) with low-emissivity material facing the furred air space
  4. wood furring (19 mm × 64 mm) installed horizontally at 400 mm o.c.
  5. gypsum board (12.7 mm thick) installed horizontally
Table 6. Results of testing the thermal resistance values for the manufacturer’s designated wall assembly No. 4
Property Unit Requirement Result
k1 Table footnote (1) k2 Table footnote (1)
Room-side air temperature °C Report value 20 20
Weather-side air temperature °C Report value −35 −35
Thermal resistance of the wallTable footnote (2) m2∙K/W Report value 3.16 3.09
Design thermal resistance of the wallTable footnote (3) m2∙K/W Report value 3.31 3.24
Contribution of the furred air space assembly to the thermal resistance of the wallTable footnote (4), Table footnote (5) m2∙K/W Report value 0.68 0.61
furred air space assembly
Figure 4. Isofoil, PROfoil, EZfoil adjacent to the furred air space assembly installed within the manufacturer’s designated wall assembly No. 4:
  1. concrete wall (200 mm thick)
  2. aluminum tape
  3. Isofoil, PROfoil, EZfoil (76 mm thick) with low-emissivity material facing the furred air space
  4. wood furring (38 mm × 64 mm) installed vertically at 600 mm o.c.
  5. gypsum board (12.7 mm thick) installed vertically
Table 7. Results of testing the thermal resistance values for the manufacturer’s designated wall assembly No. 5
Property Unit Requirement Result
k1 Table footnote (1) k2Table footnote (1)
Room-side air temperature °C Report value 20 20
Weather-side air temperature °C Report value −35 −35
Thermal resistance of the wallTable footnote (2) m2∙K/W Report value 3.15 3.08
Design thermal resistance of the wallTable footnote (3) m2∙K/W Report value 3.30 3.23
Contribution of the furred air space assembly to the thermal resistance of the wallTable footnote (4), Table footnote (5) m2∙K/W Report value 0.67 0.60
furred air space assembly
Figure 5. Isofoil, PROfoil, EZfoil adjacent to the furred air space assembly installed within the manufacturer’s designated wall assembly No. 5:
  1. concrete wall (200 mm thick)
  2. aluminum tape
  3. Isofoil, PROfoil, EZfoil (76 mm thick) with low-emissivity material facing the furred air space
  4. double wood furring: 19 mm × 64 mm furring installed vertically at 600 mm o.c. and 19 mm × 64 mm furring installed horizontally at 400 mm o.c.; the total thickness of the furred air space assembly is 38 mm.
  5. gypsum board (12.7 mm thick) installed horizontally

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

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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, 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.

CCMC recognition

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Most Canadian authorities having jurisdiction (AHJs) consider CCMC product assessments acceptable as evidence for product approval.

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The CCMC provides code compliance assessments to Canadian code requirements, consulting nationwide with construction regulators to elicit regional variations in code requirements as well as provincial and local interpretations. Users are advised to review the technical information presented in CCMC assessments when making approval decisions. Learn more about how the CCMC provides a unique service for Canada.

For more information, contact the CCMC by phone at (613) 993-6189 or by email at ccmc@nrc-cnrc.gc.ca

Code compliance as an acceptable solution

Code Compliance via Acceptable Solutions

If a building design (e.g. material, component, assembly or system) can be shown to meet all provisions of the applicable acceptable solutions in Division B (e.g. it complies with the applicable provisions of a referenced standard), it is deemed to have satisfied the objectives and functional statements linked to those provisions and thus to have complied with that part of the Code.

National Building Code of Canada, Sentence A-1.2.1.1.(1)(a)

The CCMC has determined that compliance with this provision of the Code has been demonstrated as an Acceptable Solution. The evaluation report provides a summary of the basis of CCMC's compliance opinion.

CCMC's code compliance opinions

All CCMC evaluation reports are opinions of code compliance established in accordance with the National Building Code of Canada, Subsection 1.2.1. "Compliance with this Code," which requires compliance to be achieved by:

  • complying with the applicable acceptable solutions in Division B, or
  • using an alternative solution that will achieve at least the minimum level of performance required by Division B in the areas defined by the objective and functional statements attributed to the applicable acceptable solutions.

The CCMC assesses compliance with Canadian building, energy and safety codes, and is trusted by over 6,000 regulators across Canada.

Code compliance as an alternative solution

Code Compliance via Alternative Solutions

Where a design differs from the acceptable solutions in Division B, then it should be treated as an "alternative solution." A proponent of an alternative solution must demonstrate that the alternative solution addresses the same issues as the applicable acceptable solutions in Division B and their attributed objectives and functional statements. However, because the objectives and functional statements are entirely qualitative, demonstrating compliance with them in isolation is not possible. Therefore, Clause 1.2.1.1.(1)(b) identifies the principle that Division B establishes the quantitative performance targets that alternative solutions must meet. In many cases, these targets are not defined very precisely by the acceptable solutions [...] Nevertheless, Clause 1.2.1.1.(1)(b) makes it clear that an effort must be made to demonstrate that an alternative solution will perform as well as a design that would satisfy the applicable acceptable solutions in Division B—not “well enough” but “as well as.”

National Building Code of Canada, Sentence A-1.2.1.1.(1)(b)

The CCMC has determined that compliance with this provision of the Code has been demonstrated as an Alternative Solution. The evaluation report provides a summary of the basis of CCMC's compliance opinion.

CCMC's code compliance opinions

All CCMC evaluation reports are opinions of code compliance established in accordance with the National Building Code of Canada, Subsection 1.2.1. "Compliance with this Code," which requires compliance to be achieved by:

  • complying with the applicable acceptable solutions in Division B, or
  • using an alternative solution that will achieve at least the minimum level of performance required by Division B in the areas defined by the objective and functional statements attributed to the applicable acceptable solutions.

The CCMC assesses compliance with Canadian building, energy and safety codes, and is trusted by over 6,000 regulators across Canada.

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