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[CCMC 12464-L] CCMC Standard compliance evaluation

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Product information

Product names

  • ACFoam® CrossVent®
  • ACFoam® Nail Base
  • ACFoam®-II

Product description

ACFoam®-II is a rigid board, polyisocyanurate thermal insulation with each of its two sides faced with carbon black glass-fibre-reinforced felt facers. ACFoam®-II is manufactured in thicknesses ranging from 25.4 mm to 100 mm.

ACFoam® Nail Base is a rigid board, polyisocyanurate thermal insulation with an 11-mm oriented strandboard (OSB) bonded on the top face and a carbon black glass-fibre-reinforced felt on the bottom.

ACFoam® CrossVent® is a rigid board, polyisocyanurate thermal insulation that is constructed with a standard 25-mm, 38-mm, or 51-mm ventilation spacing between the insulating foam and the 11-mm OSB. The OSB is bonded on the top face and a carbon black glass-fibre- reinforced felt is bonded on the bottom.

Manufacturing plant

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

Product namesManufacturing plant
Delta, BC, CA
ACFoam® CrossVent®Product evaluated by the CCMC
ACFoam® Nail BaseProduct evaluated by the CCMC
ACFoam®-IIProduct evaluated by the CCMC

Product evaluated by the CCMC Indicates that the product from this manufacturing facility has been evaluated by the CCMC

  Technical information

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

Evaluation requirements
Criteria number Criteria name
CAN/ULC-S704-11, Type 3, Class 3Standard for Thermal Insulation, Polyurethane and Polyisocyanurate, Boards, Faced
Classification, design LTTR and WVP specifications for the products
Product Name Classification Design LTTR
Thickness Thickness
25 mm 50 mm 75 mm 25.4 mm
ACFoam®-II, ACFoam® Nail Base, ACFoam® CrossVent® Type 3, Class 3 1.03 2.06 3.15 106

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It is the responsibility of the user to confirm that the assessment they are using is current and has not been withdrawn or superseded by a later version on the CCMC Registry of Product Assessments.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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