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[CCMC 12987-R] CCMC Canadian code compliance evaluation

From: National Research Council Canada

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Code compliance opinion

National Building Code of Canada 2010

ID Code provision Solution type
05-06-01-01-00-0-005.6.1.1.(1) Except as provided in , where a building ...Acceptable
09-27-01-01-00-0-009.27.1.1.(5) Where cladding materials other than thos ...Acceptable
09-27-01-01-00-0-009.27.1.1.(1) Where lumber, wood shingles, shakes, fib ...Acceptable
09-27-02-01-00-0-009.27.2.1.(1) Except where exterior walls are protecte ...Alternative
09-27-02-03-00-0-009.27.2.3. First and Second Planes of ProtectionAcceptable
09-27-03-01-00-0-009.27.3.1. Elements of the Second Plane of ProtectionAcceptable
9.27.2.2.(2) Minimum Protection from Precipitation IngressAcceptable
9.27.2.2.(5) Minimum Protection from Precipitation IngressAcceptable
9.27.2.2.(1)(a) Minimum Protection from Precipitation Ingress (when installed in coastal areas)Acceptable

Ontario Building Code

Ruling No. 03-14-103 (12987-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 2013-10-10 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 is 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

  • Allura Lap Siding
  • Allura Shapes Siding
  • Allura Vertical Siding

Product description

The products are fibre-cement planks, panels and shingles/shakes made mainly of hydraulic cement, silica and other additives, and reinforced integrally with cellulose fibres. The products are manufactured using the Hatschek process and steam autoclave. The products may be supplied with the surfaces textured or embossed. The products are mechanically fastened to the framing using corrosion-resistant fasteners. The products are available in different lengths, widths and thicknesses as described in the following table.

Table 1. Description of Allura Lap Siding, Shapes Siding and Vertical Siding
Product Width (mm) Length (mm) Thickness (mm)
Lap Siding smooth 133 3 657 7.9
159
184
210
235
305
cedar 133 3 657 7.9
159
184
210
235
305
beaded smooth 184 3 657 7.9
textured beaded lap 184 3 657 7.9
textured Dutch lap 210 3 657 7.9
Shapes Siding Perfection Shingle 210 3 657 11.1
Random Square / Straight Edge 298 1 219 7.9
406
Random Square / Staggered Edge 406 1 219 7.9
Half Rounds 406 1 219 7.9
Octagons 406 1 219 7.9
Individual Shakes 159 457 6.4
210
305
Vertical Siding cedar, no groove 1 219 2 438 7.9
2 743
3 048
cedar, 8-in. groove 1 219 2 438 7.9
2 743
3 048
smooth 1 219 2 438 7.9
2 743
3 048
stucco 1 219 2 438 7.9
2 743
3 048

 

Manufacturing plants

This evaluation is limited to products produced at the following plants:

Product namesManufacturing plants
Roaring River, NC, USWhite City, OR, US
Allura Lap SidingProduct evaluated by the CCMCProduct evaluated by the CCMC
Allura Shapes SidingProduct evaluated by the CCMCProduct evaluated by the CCMC
Allura Vertical SidingProduct evaluated by the CCMCProduct 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 products are limited to use as exterior cladding for the buildings falling within the scope of Part 9, Housing and Small Buildings, of Division B of the NBC 2015.
  • When installed, all the building elements relevant to the product must comply with the requirements of the NBC 2015.
  • The products are intended for use as exterior cladding applied to vertical walls of masonry or concrete as well as on cementitious and wood sheathing boards that are attached to wood or steel framing.
  • The products are permitted in the construction of buildings required to be of combustible or noncombustible construction in accordance with Article 3.1.5.1., Noncombustible Materials, of Division B of the NBC 2010.
  • At least one layer of wall sheathing membrane conforming to Article 9.27.3.2., Sheathing Membrane Material Standard, of Division B of the NBC 2010 must be applied beneath the cladding products.
  • The products are not suitable for use as a structural sheathing for bracing purposes.
  • The products should terminate at least 200 mm above grade level.
  • The products must be installed with a minimum 10-mm air space in both coastal and non-coastal areas as defined by Sentence 9.27.2.2.(5) of Division B of the NBC 2010, in conformance with Articles 9.27.5.3., Furring, and 9.27.5.4., Size and Spacing of Fasteners, and Sentence 9.27.5.7.(2), Penetration of Fasteners, of Division B of the NBC 2010, and in conjunction with a minimum vented air space or capillary break of 10 mm conforming to Clause 9.27.2.2.(1)(a) and Sentence 9.27.2.2.(2) of Division B of the NBC 2010.
  • The possibility of moisture accumulation within the wall construction is mainly a function of the ability of the wall assembly to deflect bulk water entry. The physical properties of the cladding being installed and its impact on the thermal, air leakage and vapour diffusion characteristics of the existing wall must be in accordance with Appendix Note A-5.1.2.1.(1), Application (Environmental Separation), of Division B of the NBC 2010.
  • The requirements of the NBC 2010 regarding fire stops must be implemented.
  • The products must be installed with suitable flashing to drain any incidental water from the drainage cavity to the exterior and to protect the exposed top edge of the cladding.
  • The product must be installed in conjunction with materials conforming to Articles 9.27.3.7., Flashing Materials, and 9.27.4.2., Materials (Sealants), and installed in conformance with Articles 9.27.3.8., Flashing Installation, and 9.27.4.1., Required Sealants, of Division B of the NBC 2010.
  • The attachment of the product must be in conformance with Sentence 9.27.5.1.(1), Attachment, and Article 9.27.5.5., Fastener Materials, of Division B of the NBC 2010.
  • The product must be installed in accordance with the manufacturer’s current instructions. A high level of quality control at all stages of the exterior wall construction is imperative for obtaining an acceptable performance.
  • The installation of the Lap Siding and Shapes Siding products is limited to geographic areas where the hourly wind pressures, based on a probability of being exceeded in any one year of 1:50, are less than 0.65 kPa.
  • The installation of the Vertical Siding product is limited to geographic areas where the hourly wind pressures, based on a probability of being exceeded in any one year of 1:50, are less than 0.55 kPa.
  • This evaluation is applicable only to products identified with the following phrase: “CCMC 12987-R.”

  Technical information

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

Evaluation requirements
Criteria number Criteria name
CCMC-TG-074645.01-10ACCMC Technical Guide for Cellulose Reinforced Fibre Cement Cladding
General (dimensional tolerances)

The dimensional measurements of the products are summarized in the following tables.

Table 2. Results of dimensional measurement of Lap Siding
Property Requirement Lap Siding
Smooth Cedar Beaded smooth Textured beaded lap Textured Dutch lap
Width of siding (mm)
133 159 184 210 235 305 133 159 184 210 235 305 184  184 210
Length (mm) ± 3.0 0.4 −1.6 8.4Table footnote (1) 0.6 2.4 – 3.6Table footnote (1) −1.6 −0.6 0.4 −2.4 −1.9 −1.6 –2.6 –4.6Table footnote (1) −1.6
Width (mm) ± 3.0 0.6 0.3 –1.9 0.5 1.1 0.2 −0.4 0.3 0.9 0.3 0.0 −0.8 –0.8 0.5 2.5
Thickness (mm) ± 1.6 0.6 −0.6 –1.4 0.7 −0.8 –0.5 −0.6 −0.4 −0.2 −0.3 −0.3 −0.6 0.1 0.3 −0.3
Squareness (mm/m) ± 4.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Edge straightness (mm/m) ± 2.6 0.0 0.0 0.0 0.8 0.0 0.0 0.0 0.0 0.0 0.8 0.0 0.0 0.0 0.0 0.0

 

Table 3. Results of dimensional measurement of Shapes Siding
Property Requirement Shapes Siding
Perfection Shingle Random Square / Straight Edge Random Square / Staggered Edge Half Rounds Octagons Individual Shakes
Width of siding (mm)
210 298 406 406 406 406 159 210 305
Length (mm) ± 3.0 –1.1 −1.6 0.0 −0.8 –1.6 –1.3 –0.8 –1.6 0.3
Width (mm) ± 3.0 0.0 −1.6 −0.8 −0.8 –0.8 –0.3 0.0 0.8 1.1
Thickness (mm) ± 1.6 –0.6 −0.4 −0.3 −0.3 –0.2 –0.1 –0.3 –0.2 –0.3
Squareness (mm/m) ± 4.0 0.0 −0.8 −0.8 0.0 0.8 0.0 0.0 0.0 0.0
Edge straightness (mm/m) ± 2.6 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0

 

Table 4. Results of dimensional measurement of Vertical Siding
Property Requirement Vertical Siding
Cedar, no groove Cedar, 8-in. groove Smooth Stucco
Width of siding (mm)
2 438 2 743 3 048 2 438 2 743 3 048 2 438 2 743 3 048 2 438 2 743 3 048
Length (mm) ± 3.0 –1.9 0.1 –1.7 –0.4 –1.6 0.0 0.4 –0.7 –4.0Table footnote (1) –1.2  –3.9Table footnote (1) –1.7
Width (mm) ± 3.0 –0.2 –0.2 –0.2 –1.2 –2.9 –2.2 –0.2 –0.2 –0.2 –0.5 –0.2 0.1
Thickness (mm) ± 1.6 –0.3 –0.4 –0.2 –0.8 0.0 0.4 –0.9 –0.7 –0.7 –0.3 –0.6 –0.5
Squareness (mm/m) ± 4.0 2.4 0.0 1.0 1.0 0.0 1.0 0.9 1.0 1.0 0.0 2.0 2.0
Edge straightness (mm/m) ± 2.6 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0

 

Prescriptive requirements
Table 5. Results of testing for prescriptive requirements of Individual Shakes and Perfection Shingle (Shapes Siding)
Property Requirement Results
Individual Shakes Perfection Shingle
Water absorption (%) by mass ≤ 40 34 32
Density (kg/m3) ≥ 950 1 300 1 307
Dimensional change: 7-day immersion to 14-day immersion at 30% RH XDTable footnote (1) < 0.20 –0.0006 0.0003
MDTable footnote (2) –0.0072 0.0000
Flexural strength (MPa) XD > 7.0 9.4 14.9
MD 14.1 17.9
Fastener pull-through resistance ≥ 163 614
Water vapour transmission Report value 3 670 441
Freeze-thaw resistance loss of mass (%) ≤ 3.0 1.8 −0.6
loss of flexural strength (%) ≤ 15 −29Table footnote (3) −1Table footnote (3)
no deleterious effects − Pass
Watertightness No formation of any drops on underside Pass
Warm water resistance loss of flexural strength (%) < 15 −24Table footnote (3) −5Table footnote (3)
no deleterious effects − Pass

 

Performance requirements
Table 6. Results of testing for impact resistance of textured Dutch lap (Lap Siding)
Impact body Dynamic mass (kg) Energy (N·m) Results
Safety impact large soft 50 100 Pass
small hard 1 10 n/a
Table footnote (1)
Retention of performance impact large soft 50 34 Pass
small soft 30 60 FailTable footnote (2)
small hard 1 10 n/aTable footnote (1)

 

Table 7. Description and results of testing for wind load resistance (Q50 < 0.65 kPa)
Product Frame Stud spacing (mm) Fastening Rating (kPa) Results
Perfection Shingle (Shapes Siding) wood studs 2 × 4 with 11-mm OSB 406 51-mm 6D ring shank siding nails into sheathing Q50 < 0.65 Pass
305-mm cedar
(Lap Siding)		 wood studs 2 × 4 406 64-mm 6D ring shank siding nails into framing Q50 < 0.65 Pass
235-mm cedar
(Lap Siding)		 metal studs 16 gauge 406 #8 41-mm ribbed bugle-head screws, blind nailed into framing Q50 < 0.65 Pass
Individual Shakes (Shapes siding) wood studs 2 × 4 with 11-mm OSB 406 44-mm roofing nails, blind nailed into sheathing Q50 < 0.65 Pass

 

Table 8. Description and results of testing for wind load resistance (Q50 < 0.55 kPa)
Product Frame Stud spacing (mm) Fastening Rating (kPa) Results
Cedar 8-in. groove (Vertical Siding) wood studs 2 × 4 406 51-mm 6D siding nail, 152-mm edge and 305-mm in-field Q50 < 0.55 Pass

 

Table 9. Results of testing for wind load resistance of Perfection Shingle (Shapes Siding)
Cycle Pressure (Pa): Q50 ≤ 0.65 kPa Deflection at mid span of specimen
Sustained loads (P1, P1′) ± 100 0.064/−0.141
200 0.123/−0.269
300 0.181/−0.386
400 0.243/−0.507
± 500 0.414/−0.642
± 650 (P1) 0.625/−0.881
Residual 0.038/−0.120
Cyclic loads (P2, P2′) 0 to ± 1 050 (P2) 0.023/−0.163
Gust loads (P3, P3′) 0 to ± 1 570 (P3) 1.008/−1.770

 

Table 10. Results of testing for wind load resistance of 305-mm Cedar (Lap Shingle)
Cycle Pressure (Pa): Q50 ≤ 0.65 kPa Deflection at mid span of specimen
Sustained loads (P1, P1′) ± 100 0.09/−0.153
200 0.163/−0.301
300 0.233/−0.429
400 0.310/−0.565
± 500 0.387/−0.683
± 650 (P1) 0.508/−0.902
Residual 0.031/−0.059
Cyclic loads (P2, P2′) 0 to ± 1 050 (P2) 0.034/−0.124
Gust loads (P3, P3′) 0 to ± 1 050 (P3) 1.267/−1.857

 

Table 11. Results of testing for wind load resistance of 235-mm Cedar (Lap Shingle)
Cycle Pressure (Pa): Q50 ≤ 0.65 kPa Deflection at mid span of specimen
Sustained loads (P1, P1′) ± 100 0.043/−0.079
200 0.086/−0.132
300 0.129/−0.200
400 0.165/−0.267
± 500 0.204/−0.327
± 650 (P1) 0.265/−0.417
Residual 0.009/−0.015
Cyclic loads (P2, P2′) 0 to ± 1 050 (P2) 0.021/−0.033
Gust loads (P3, P3′) 0 to ± 1 570 (P3) 0.623/−0.712

 

Table 12. Results of testing for wind load resistance of Individual Shakes (Shapes Siding)
Cycle Pressure (Pa): Q50 ≤ 0.65 kPa Deflection at mid span of specimen
Sustained loads (P1, P1′) ± 100 0.063/−0.119
200 0.125/−0.238
300 0.191/−0.319
400 0.254/−0.426
± 500 0.328/−0.557
± 650 (P1) 0.433/−0.729
Residual 0.036/−0.105
Cyclic loads (P2, P2′) 0 to ± 1 050 (P2) 0.135/−0.162
Gust loads (P3, P3′) 0 to ± 1 570 (P3) 1.058/−1.583

 

Table 13. Results of testing for wind load resistance of 8-in. Cedar Groove (Vertical Siding)
Cycle Pressure (Pa): Q50 ≤ 0.65 kPa Deflection at mid span of specimen
Sustained loads (P1, P1′) ± 100 0.056/−0.057
200 0.122/−0.141
300 0.186/−0.207
400 0.255/−0.291
± 550 (P1) 0.370/−0.371
Residual 0.043/−0.052
Cyclic loads (P2, P2′) 0 to ± 880 (P2) 0.070/−0.082
Gust loads (P3, P3′) 0 to ± 1 320 (P3) 0.937/−0.909

 

 

Administrative information

Disclaimer

This evaluation is issued by the Canadian Construction Materials Centre (CCMC), a part of the Construction Research Centre at the National Research Council of Canada (NRC). The evaluation must be read in the context of the entire CCMC Registry of Product Assessments and the legislated applicable building code in effect.

The CCMC was established in 1988 on behalf of the applicable regulator (i.e., the provinces and territories) to ensure—through assessment—conformity of alternative and acceptable solutions to regional building codes as determined by the local authority having jurisdiction (AHJ) as part of the issuance of a building permit.

It is the responsibility of the local AHJs, design professionals, and specifiers to confirm that the evaluation is current and has not been withdrawn or superseded by a later issue. Please refer to the website or contact:

Canadian Construction Materials Centre
Construction Research Centre
National Research Council of Canada
1200 Montreal Road
Ottawa, Ontario, K1A 0R6
Telephone: 613-993-6189
Fax: 613-952-0268

The NRC has evaluated the material, product, system or service described herein only for those characteristics stated 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 (i.e., AHJs, design professionals and specifiers). This evaluation is only valid when the product is installed in strict compliance with the stated conditions and limitations of evaluation and the applicable local building code. In circumstances where no applicable local building permit is issued and that no confirmation of compliance ‘for use in the intended field application’ is undertaken, this evaluation is null and void in all respects. This evaluation is provided without representation, warranty, or guarantee of any kind, expressed, or implied, and the NRC provides no endorsement for any evaluated material, product, system or service described herein. The NRC accepts no responsibility whatsoever arising in any way from any and all use and reliance on the information contained in this evaluation with respect to its compliance to the referenced code(s) and standard(s). 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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Copyright

© His Majesty the King in Right of Canada, as represented by the National Research Council of Canada, 2022

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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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.