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[CCMC 12525-R] CCMC Canadian code compliance evaluation

From: National Research Council Canada

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 flooring underlay 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
09-30-02-02-00-0-009.30.2.2. Materials and ThicknessAlternative

Ontario Building Code

Ruling No. 03-04-93 (12525-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 2003-03-18 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

FIBEROCK®Brand Underlayment – Aqua-Tough

Product description

FIBEROCK® Brand Underlayment – Aqua-Tough is a panel-type underlay consisting of a homogeneous mix of gypsum reinforced with cellulose fibre. The core and the surfaces of the panel are treated for increased water resistance. The product is manufactured in thicknesses of 6.4 mm or 9.5 mm. It is available in a standard width of 1 220 mm and lengths of 1 220 mm and 2 400 mm.

Manufacturing plant

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

Product nameManufacturing plant
Gypsum, OH, US
FIBEROCK®Brand Underlayment – Aqua-ToughProduct 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 6.4-mm- and 9.5-mm-thick panels can be used as flooring underlay for resilient and wood (parquet and strip) floor finishes.
  • The 9.5-mm-thick panel can be used as flooring underlay for ceramic tile application in residential dwellings where the supports are spaced no wider than 600 mm on centre (o.c.).
  • The 6.4-mm-thick panel can be used as flooring underlay for ceramic tile application in residential dwellings where the supports are spaced no wider than 400 mm o.c.
  • The subfloor must be installed in accordance with Subsection 9.23.15, Subflooring, of Division B of the NBC 2015.
  • The panel must be installed in accordance with Subsection 9.30.2., Panel-Type Underlay, of Division B of the NBC 2015 and in accordance with the manufacturer’s installation instructions.
  • The panel must not be used where the subfloor is expected to be exposed to high moisture conditions.
  • The panel must not be used where the flooring is expected to be exposed to significant or frequent wetting, such as in showers, saunas or hot-tub decks.
  • The product must be identified with the following information:
    • manufacturer’s name or logo; and
    • the phrase “CCMC 12525-R.”

  Technical information

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

Evaluation requirements
Criteria number Criteria name
CCMC-TG-092819-15CCMC Technical Guide for Fibred Gypsum Backing Board

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

General
Table 1. Physical properties

Property

Unit

Requirements

Result
(6.4 mm)
Result
(9.5 mm)
Composition of core – gypsum % mass ≥ 65 Passed Passed
Composition of core – fibre % mass ≤ 15 Passed Passed
Tolerances in thickness – average mm ± 0.8 Passed Passed
Tolerances in thickness – local variation mm ± 1.6 Passed Passed
Tolerance in width mm ± 3 Passed Passed
Tolerance in length mm ± 6 Passed Passed
End squareness mm ± 3.2 (in full width of board) Passed Passed
Mass per unit area kg/m2 Report value 7.98 9.62

 

Table 2. Performance requirements

Property

Unit

Requirement
(6.4 mm)
Requirement
(9.5 mm)
Result
(6.4 mm)
Result
(9.5 mm)
Linear expansion – 50% to 90% RH % ≤ 0.2 ≤ 0.2 ≤ 0.01 ≤ 0.0
Edge thickness swelling % ≤ 1 ≤ 1 ≤ −0.67 ≤ −0.22

Water resistance – 2-hr immersion

% mass ≤ 5 ≤ 5 3 2
Water resistance – surface water absorption - face g ≤ 0.5 ≤ 0.5 0.9Table footnote (1) 0.9Table footnote (1)
Internal bond kPa ≥ 280 ≥ 280 877 913
Hardness – core, end and edge N ≥ 2 200 ≥ 2 200 6 937 3 992
Compressive strength – 450 N over 5-mm × 5-mm surface area mm ≤ 2 ≤ 2 0.5 1.14
Robinson-type floor tester – 14 cycles n/a No damage No damage PassedTable footnote (2) PassedTable footnote (3)
Robinson-type floor tester – deflection mm Report value Report value 1.1 1.2
Bending stiffness (EI)2 N×mm2 /mm ≥ 190 000 ≥ 190 000 145 000Table footnote (4) 391 000
Nailhead pull resistance N ≥ 266 ≥ 334 512 409
Humidified deflection mm ≤ 17.9 ≤ 14.0 6.4 3.2
Impact resistance under dry condition – hard-impact body – 5.4 N×m mm Indentation ≤ 1 Indentation ≤ 1 Passed Passed
Impact resistance under dry condition – hard-impact body – 10.9 N×m mm Minimum average failure load Minimum average failure load Passed Passed
Impact resistance under dry condition – soft-impact body – 20.4 N×m mm No damage No damage Passed Passed
Impact resistance under dry condition – soft-impact body – 102 N×m mm Minimum average failure load Minimum average failure load Passed Passed

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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