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[CCMC 14338-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 as an interior finish on walls for manufactured housing 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
09-10-17-01-00-0-009.10.17.1. Flame-Spread Rating of Interior SurfacesAcceptable
09-29-05-02-00-0-009.29.5.2.(1) Gypsum products shall conform to ...Alternative
09-29-05-06-00-0-009.29.5.6. NailsAlternative
09-29-05-08-00-0-009.29.5.8. Spacing of NailsAlternative

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

Patrick Covered Gypsum System

Product description

The product is made from nominal 12.7-mm-thick gypsum board laminated with 0.1-mm-thick vinyl sheet on one side. The gypsum board is manufactured in accordance with ASTM C 1396/C 1396M-14, “Standard Specification for Gypsum Board.” The vinyl laminated gypsum board is stapled and adhered to a 4.7 mm lauan plywood panel, which is fastened to the wood stud framing.

Manufacturing plant

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

Product nameManufacturing plant
Montevideo, MN, US
Patrick Covered Gypsum SystemProduct 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 intended to be used for the interior finish of exterior and interior walls of manufactured, single-family, detached one-storey houses only.
  • The orientation of the product must be installed parallel to framing. The framing must not be spaced more than 600 mm on centre (o.c.) and must comply with Table 9.23.10.1., Stud Size and Spacing, of Division B of the NBC 2015.
  • The fasteners for the lauan plywood panel must be installed at 150 mm o.c. around the perimeter and 300 mm o.c. at intermediate supports.
  • The staples for the vinyl laminated gypsum board must be installed at 150 mm o.c. around the perimeter and 600 mm o.c. at intermediate supports, and the adhesive must be installed on the lauan plywood panel at all stud locations. The staples must be minimum 19 gauge with a 6.35-mm crown and 25.4-mm leg. The adhesive must be third-party or CCMC-evaluated to CAN/CGSB-71.25-M88, “Adhesives, for Bonding Drywall to Wood Framing and Metal Studs,” or ASTM C 557-03(2017), “Standard Specification for Adhesives for Fastening Gypsum Wallboard to Wood Framing.”
  • The resistance to lateral loads of the product when used in braced wall applications is beyond the scope of the evaluation. Therefore, where braced wall paneling is required, the wall design must meet the NBC 2015 specific seismic resistance requirements without considering the contribution of the product.
    • In locations where the seismic Sa(0.2) is less than 0.70, and the 1-in-50 hourly wind pressure is less than 0.80 kPa (refer to Table C-2, Climatic Design Data for Selected Locations in Canada, and to Table C-3, Seismic Design Data for Selected Locations in Canada, in Appendix C of Division B of the NBC 2015 for locations of low-to-moderate wind and seismic zones), the exterior walls must be sheathed in accordance with Article 9.23.17.2., Thickness, Rating and Material Standards, and fastened in accordance with Table 9.23.3.5.-A, of Division B of the NBC 2015.
    • In locations where the seismic Sa(0.2) is greater than 0.70 but not more than 1.8, and the 1-in-50 hourly wind pressure is less than 1.20 kPa (refer to Table C-2 and Table C-3 in Appendix C of Division B of the NBC 2015 for locations of high wind and seismic zones), bracing to resist lateral loads must be designed and constructed in accordance with Articles 9.23.13.4., Braced Wall Bands, to 9.23.13.7., Additional System Considerations, of Division B of the NBC 2015.
  • A vapour barrier must be installed as per Subsection 9.25.4., Vapour Barriers, of Division B of the NBC 2015.
  • An air barrier system must be installed as per Subsection 9.25.3., Air Barrier Systems, of Division B of the NBC 2015.
  • The use of the product for the protection of foamed plastics is beyond the scope of the evaluation.
  • The use of the product in a fire separation is beyond the scope of the evaluation. 
  • The application of the product in walls around the bath and shower is beyond the scope of the evaluation.

  Technical information

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

Evaluation requirements
Criteria number Criteria name
CCMC-TG-092915-A-15CCMC Technical Guide for vinyl-laminated gypsum used as an interior finish (non-structural applications only)
Material requirements
Table 1. Results of testing the gypsum board properties of the product
Properties (Method B) Unit Requirement Result
Flexural strength  - bearing edges perpendicular to the panel lengthTable footnote (1) N ≥ 476

734

Flexural strength - bearing edges parallel to the panel length Table footnote (1) N ≥ 160

262

Humidified deflection Table footnote (1) mm

≤ 32

0

Nail pull resistance Table footnote (1)Table footnote (2) N

≥ 343

489

Hardness - core Table footnote (1) N

≥ 49

142

Hardness - endTable footnote (1) N

≥ 49

133

Hardness - edge hardnessTable footnote (1) N

≥ 49

129

Performance requirements

 

Table 2. Results of testing the racking load of the product
Property Unit Requirement (based on control specimen)Table footnote (1) ResultTable footnote (2)
Deflection at 3.5 kN

mm

≤ 1.880

0.584Table footnote (3)

Deflection at 7.0 kN

mm

≤ 12.040

1.575

Deflection at 10.5 kN

mm

– Table footnote (4)

3.251

Residual deflection after 3.5 kN

mm

≤ 0.965

0.051Table footnote (3)

Residual deflection after 7.0 kN

mm

≤ 7.925

0.305

Residual deflection after 10.5 kN

mm

– Table footnote (4)

0.889

Residual/deflection for 3.5 kN

%

≤ 52.2

7.0Table footnote (3)

Residual/deflection for 7.0 kN

%

≤ 65.8

19.2

Residual/deflection for 10.5 kN

%

– Table footnote (4)

27.3

 

Table 3. Results of testing the flame-spread rating of the product
Property Requirement Result
Flame-spread rating

≤ 150

0

Smoke-developed classification

≤ 300

20

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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From: National Research Council Canada

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