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[CCMC 14096-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 an air barrier system for exterior walls of buildings 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
05-01-04-01-00-0-005.1.4.1. Structural and Environmental LoadsAcceptable
05-01-04-02-00-0-005.1.4.2. Resistance to DeteriorationAcceptable
05-02-02-00-00-0-005.2.2. Structural Loads and Design ProceduresAcceptable
05-04-01-00-00-0-005.4.1. Air Barrier SystemsAcceptable
09-25-03-01-00-0-009.25.3.1. Required Barrier to Air LeakageAcceptable
09-25-03-02-00-0-009.25.3.2.(1) Air barrier systems shall possess the ch ...Acceptable
09-25-03-02-00-0-009.25.3.2.(2) Where polyethylene sheet is used to prov ...Alternative
09-25-03-03-00-0-009.25.3.3. Continuity of the Air Barrier SystemAcceptable
09-27-04-02-02-b-009.27.4.2.(2)(b) Materials (ASTM C 920, “Elastomeric Joint Sealants”)Acceptable
09-36-02-09-01-b-009.36.2.9.(1)(b) Airtightness (exterior walls only)Acceptable

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

Wrapsulate® Foam Jacket Air Barrier System

Product description

This Evaluation Report addresses the performance of the product as an air barrier system as specified by Elastochem Specialty Chemicals.

The product consists of the following components and accessories:

  • Principal material in the plane of airtightness: Wrapsulate® Foam Jacket light density, semi-flexible, spray-applied polyurethane foam, with a primarily open cell structure installed on the exterior of the building;
  • Accessories for continuity:
    • Blueskin SA, a modified bituminous membrane (i.e., peel-and-stick or thermally fused) manufactured by Henry® Company for use as a transition membrane over construction, control and expansion joints, at junctions between different assemblies and at penetrations;
    • 925 BES flexible polymeric moisture-cured sealant, manufactured by Henry® Company; and
  • Component for wind load resistance: substrate such as concrete masonry block units (CMU) and exterior gypsum sheathing within a wall designed to withstand the anticipated loads.

If installed as part of the designated air barrier system, Wrapsulate® Foam Jacket light density, semi-flexible spray-applied polyurethane foam, with a primarily open cell structure, serves a dual function in the wall assembly:

  • as the principal plane of airtightness of the designated air barrier system
  • as exterior insulation; and
  • as an exterior sheathing membrane.

The use of the product as insulation is covered under CCMC 14049-R and 14067-R.

The product consists of Wrapsulate® Foam Jacket Part A isocyanate and Wrapsulate® Foam Jacket Part B resin, which are mixed on site by a qualified installer using positive displacement equipment in a 1:1 fixed ratio.

The final cured product is yellow and has a density of 17 kg/m3 (1.06 lb./ft.3). At a thickness of 25.4 mm (1 in.), the thermal resistance is RSI 0.75 (m2 ·°C/W) R-4.3 (ft.2 ∙°F∙hr/BTU∙in.).

Manufacturing plant

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

Product nameManufacturing plant
Brantford, ON, CA
Wrapsulate® Foam Jacket Air Barrier 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, with a minimum 38 mm–50 mm thickness (1.5 in.–2 in.) of Wrapsulate® Foam Jacket spray urethane at a 17 kg/m3 density, has demonstrated sufficiently low air permeance with an air leakage rating of A1 (less than 0.05 L/s∙m2∙Pa at 75 Pa reference ΔP) when tested in accordance with CAN/ULC-S742-11, “Air Barrier Assemblies – Specification.” This air leakage conforms to the permissible air leakage rate in the table "Results of testing the air leakage rate of the product" of this Report for as the outermost layer of the exterior wall assembly. The WVP of this product at a 50 mm thickness is approximately 745 ng/(Pa·s·m2).
  • The product has demonstrated sufficient strength to resist wind loads so it can be used in low-rise buildings in geographical locations where:
    • the wind pressure Q50 at ± 650 Pa (1-in-50-year wind pressure return period found in Appendix C of the NBC 2015), for a maximum building height of 12 m above grade (i.e., 4–5 storeys);
    • the CAN/ULC S742 reporting classification is Class A1 for the assembly having been tested to Q50 at ± 650 Pa for a 12 m high building and obtaining an air leakage rate less than 0.05 L/s∙m2∙Pa (see criteria in table "Results of testing the air leakage rate of the product"); and
    • The maximum deflection recorded for the metal stud wall was 17.3 mm and for the CMU it was 10.3 mm for a gust wind load of ±1 440 Pa.
  • To provide the air leakage control and strength in the field, the product must be installed conforming to the limits above and installed in the field by Urethane Foam Contractors (UFC)-certified installers/contractors according to the Wrapsulate® Air Barrier Insulation Specification, dated June 1, 2015, which contains detailed construction drawings that must be followed. UFC must conduct the necessary follow-up inspections to ensure that UFC-certified contractors are performing the necessary field quality control (for example, transition membrane application, membrane adhesion/pull testing before spraying, sealant application before spraying, spray foam as per CAN/ULC S705.2-05, “Thermal Insulation – Spray Applied Rigid Polyurethane Foam, Medium Density – Application”). All results must be recorded on the UFC daily worksheet for the Wrapsulate® Foam Jacket Air Barrier System.
  • A copy of the installation instructions must be available on the job site at all times during the installation for review by building officials. All installers must present their UFC identification card upon request by the building official.
  • The product must be identified with the manufacturer’s name or logo and the phrase “CCMC 14096-R.”

  Technical information

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

Evaluation requirements
Criteria number Criteria name
CCMC-TG-072709.01-15BCCMC Technical Guide for Air Barrier Systems for Exterior Walls of Buildings

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

Performance requirements

Testing of the product was conducted on four representative specimens. The results are summarized in the tables below. The performance resulting from these tests has been deemed applicable to Wrapsulate® Foam Jacket Air Barrier System based on equivalency testing.

The performance of the product has been tested in accordance with the CCMC Technical Guide for qualification for use as an air barrier system.

To qualify, a conforming air barrier system must:

  1. have an acceptable low air leakage rate;
  2. be continuous;
  3. be durable;
  4. have sufficient strength to resist the anticipated air pressure load; and
  5. be buildable in the field.

Air leakage rate

Table 1. Results of testing the air leakage rate of the product
Type of wall tested RequirementTable footnote (1) Air leakage rate after wind loadingTable footnote (2) at 75 Pa ΔP Air leakage rate After wind loading at –20°C and at 75 Pa ΔP2
Exterior gypsum/metal stud walls A1 (≤ 0.05 L/s∙m2∙Pa) 0.023 L/(s·m2)Table footnote (3) 0.014 L/(s·m2)Table footnote (3)
Concrete masonry units 0.016 L/(s·m2)Table footnote (3) 0.011 L/(s·m2)Table footnote (3)

Durability of air barrier system components

Table 2. Results of testing of durability of components in the product
Component Requirement Result
Wrapsulate® Foam Jacket polyurethane insulation Air permeance before and after aging (NRC method): < 10% increase Passed
Thermal resistance after heat aging and weathering: 90% retention Passed
Transition membrane: Blueskin SA by Henry® Company Physical properties testingTable footnote (1) Passed
Sealant at membrane/foundation junctions: 925 BES sealant by Henry® Company ASTM C 920, Type S, Grade NS, Class 35Table footnote (2) Passed
Membrane adhesion to DensGlass® sheathing ASTM D 3330-04 Determined tension/peel strength values for field quality control
Appendix A

Specimens tested for qualifying system details

The following figures outline the original full-scale specimens tested, which represent typical construction details to be reproduced in the field as part of the installation of Elastochem Specialty Chemical’s current proprietary Wrapsulate® Foam Jacket Air Barrier System. The representative specimens tested also contained defects (e.g., mortar missing, missing primer gap, etc.) to verify the sensitivity of the air barrier system to these possible field defects and allow for tolerances.

Exterior steel stud wall (no penetrations)

Exterior steel stud wall no penetrations.
Figure 1. Exterior steel stud wall (no penetrations)
  1. Exterior DensGlass® sheathing 13 mm (1/2 in.) thickness fastened to steel studs with 32 mm (1 1/4 in.) SF steel drill screws (corrosion-resistant) installed 102 mm (8 in.) apart
  2. 92 mm (3 5/8 in.) 20 ga. steel studs installed 406 mm (16 in.) on centre (o.c.)
  3. Wrapsulate® Foam Jacket spray foam air barrier material
  1. Section A-A
    1. Interior side
    2. Exterior side

Exterior concrete wall (no penetrations)

Exterior concrete wall no penetrations.
Figure 2. Exterior concrete wall (no penetrations)
  1. 200 mm × 400 mm × 203 mm (8 in. × 16 in. × 8 in.) CMU block
  2. Elastochem Wrapsulate® Foam Jacket SPF application; target thickness 38 mm–50 mm (1.5 in.–2.0 in.)

Exterior steel stud wall with penetrations

All construction, control, expansion joints or penetrations in an exterior wall assembly must be bridged by a transition membrane as part of the Wrapsulate® Foam Jacket Air Barrier System.

Exterior steel stud wall with penetrations.
Figure 3. Exterior steel stud wall with penetrations
  1. Exterior DensGlass® sheathing 13 mm (1/2 in.) thickness fastened to steel studs with 32 mm (1 1/4 in.) SF steel drill screws (corrosion-resistant) installed 102 mm (8 in.) apart
  2. 92 mm (3 5/8 in.) 20 ga. steel studs installed 406 mm o.c.
  3. Window rough opening perimeter sealed with Blueskin SA peel-and-stick membrane, gap between window and rough opening sealed with backer rod and Henry®
  4. Plywood window sealed with backer rod and Henry® Company 925 BES sealant prior to primary air barrier material (SPF) application
  5. 102 mm (4 in.) duct
  6. Ø 38 mm (1.5 in.) PVC pipe
  7. Ø 51 mm (2 in.) electrical conduit
Note: PVC pipe, square duct and electrical junction boxes sealed around perimeter prior to SPF application with Henry® Company Blueskin SA peel-and-stick membrane.

Exterior concrete wall with penetrations

Exterior concrete wall with penetrations.
Figure 4. Exterior concrete wall with penetrations
  1. Window rough opening perimeter sealed with Blueskin SA peel-and-stick membrane, gap between window and rough opening sealed with backer rod and Henry® Company 925 BES sealant
  2. Plywood window sealed with backer rod and Henry® Company 925 BES sealant prior to primary air barrier material (SPF) application
  3. 102 mm (4 in.) duct
  4. Ø 38 mm (1.5 in.) PVC pipe
  5. Rectangular junction box
  6. Ø 38 mm (1.5 in.) conduit pipe
  7. Hexagonal junction box
Note: PVC pipe, square duct and electrical junction boxes are sealed around the perimeter prior to SPF application with Henry® Company Blueskin SA peel-and-stick membrane.

Exterior stud wall with foundations

As the foundation wall is designated as part of the air barrier system in this case, a transition membrane with sealant (see cross-section details) must be sealed to the foundation wall to maintain the continuity of the plane of airtightness. In addition, note that mechanical fasteners for brick veneer and penetrations from electrical wiring, pipes or ducts must be sealed through the use of a transition membrane.

Exterior stud wall with foundation.
Figure 5. Exterior stud wall with foundation
  1. Exterior DensGlass® sheathing 13 mm (1/2 in.) thickness fastened to steel studs with 32 mm (1 1/4 in.) SF steel drill screws (corrosion-resistant) installed 102 mm (8 in.) apart
  2. 92 mm (3 5/8 in.) 20 ga. steel studs installed 406 mm (16 in.) o.c.
  3. Concrete foundation interface sealed on exterior with Blueskin SA peel-and-stick membrane to exterior sheathing
  4. Elastochem Wrapsulate® Foam Jacket SPF application; target thickness 38 mm (1.5 in.)
  1. Blok-Lok BL-607 brick ties sealed around perimeter prior to SPF application with Henry® Company 925 BES sealant

Exterior concrete wall with foundation

Exterior concrete wall with foundation.
Figure 6. Exterior concrete wall with foundation
  1. 203 mm × 400 mm × 203 mm (8 in. × 16 in. × 8 in.) CMU block
  2. Elastochem Wrapsulate® Foam Jacket SPF application; target thickness 38 mm–50 mm (1.5 in.–2.0 in.)
  3. Concrete foundation interface sealed on exterior with Blueskin SA peel-and-stick membrane to exterior sheathing
  1. Blok-Lok BL-607 brick ties sealed around perimeter prior to SPF application with Henry® Company 925 BES sealant

Penetration details

Penetration/termination details.
Figure 7. Penetration/termination details
  1. 76 mm (3.00") typical
  2. Spray-applied foam
  3. Flashing membrane
  4. Sq. duct/sq. junction box/hex junction box
  5. Gypsum sheathing/CMU block
  6. Pipe (PVC)
  7. Concrete slab
  8. Electrical conduit
Note: Gypsum sheathing = exterior DensGlass® sheathing

Window sealing details

Window sealing details.
Figure 8. Window sealing details
  1. Flashing membrane
  2. Spray-applied foam
  3. Gypsum sheathing/CMU block
Note: Gypsum sheathing = exterior DensGlass® sheathing

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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