Section 5.9. Standards

Section 5.9. Standards

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5.9.1. Applicable Standards

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5.9.1.1. Compliance with Applicable Standards

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(1)Except as provided in Sentence (2) and elsewhere in this Part, materials and components, and their installation, shall conform to the requirements of the applicable standards in Table 5.9.1.1. where those materials or components are

(a)incorporated into environmental separators or assemblies exposed to the exterior, and

(b)installed to fulfill the requirements of this Part.

(See Note A-5.9.1.1.(1))

(2)The requirements for flame-spread ratings contained in thermal insulation standards shall be applied only as required in Part 3.

5.9.2. Windows, Doors and Skylights

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5.9.2.1. General

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(1)This Subsection applies to windows, doors and skylights, including their components, that separate

(a)interior space from exterior space, or

(b)environmentally dissimilar interior spaces.

(2)For the purpose of this Subsection, the term “skylight” refers to unit skylights, roof windows and tubular daylighting devices.

(3)Where a wired glass assembly is installed in a required fire separation, it need not conform to the requirements of this Subsection. (See Note A-5.9.2.1.(3))

5.9.2.2. Applicable Standards (See Note 5.9.2.2.)

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(1)Windows, doors and skylights shall conform to the requirements in

(a)AAMA/WDMA/CSA 101/I.S.2/A440, “North American Fenestration Standard/Specification for windows, doors, and skylights” (Harmonized Standard), and

(b)CSA A440S1, “Canadian Supplement to AAMA/WDMA/CSA 101/I.S.2/A440-17, North American Fenestration Standard/Specification for windows, doors, and skylights.”

(2)Performance grades for windows, doors and skylights shall be selected according to the Canadian Supplement referenced in Clause (1)(b) so as to be appropriate for the conditions and geographic location in which the window, door or skylight will be installed.

(3)Windows, doors and skylights shall conform to the performance grades selected in Sentence (2) when tested in accordance with the Harmonized Standard referenced in Clause (1)(a).

5.9.2.3. Structural Loads, Air Leakage and Water Penetration

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(1)Windows, doors, skylights and their components shall be designed and constructed in accordance with

(a)Article 5.1.4.1., Section 5.4. and Section 5.6., where they are not covered in the scope of the standards listed in Sentence 5.9.2.2.(1), or

(b)Article 5.9.2.2., where they are covered in the scope of the standards listed in Sentence 5.9.2.2.(1).

(See Note A-5.9.2.3.(1))

5.9.2.4. Heat Transfer

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(1)Windows, doors and skylights shall meet the heat transfer performance requirements stated in Section 5.3. (See Note A-5.3.1.2.))

(2)Except as provided in Sentence (3), all metal-framed glazed assemblies separating interior conditioned space from interior unconditioned space or exterior space shall incorporate a thermal break to minimize condensation.

(3)Metal-framed glazed assemblies need not comply with Sentence (2) where these assemblies are

(a)storm windows or doors, or

(b)windows or doors that are required to have a fire-protection rating.

(See Note A-5.9.2.4.(3))

5.9.3. Other Fenestration Assemblies (See Note A-5.9.3.)

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5.9.3.1. Definition

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(1)In this Subsection, “other fenestration assemblies” means curtain walls, window walls, storefronts and glazed architectural structures. (See Note A-5.9.3.1.(1))

5.9.3.2. Structural and Environmental Loads

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(1)Other fenestration assemblies and their components shall be designed and constructed in accordance with Article 5.1.4.1. (See Note A-5.9.3.2.(1))

5.9.3.3. Heat Transfer

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(1)Other fenestration assemblies and their components shall meet the heat transfer performance requirements stated in Section 5.3. (See Note A-5.9.3.3.(1))

(2)Other fenestration assemblies using metal framing that separate interior conditioned space from interior unconditioned space or exterior space shall incorporate a thermal break to minimize condensation.

5.9.3.4. Air Leakage

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(1)Other fenestration assemblies and their components shall be designed and constructed in accordance with Section 5.4.

(2)Except as provided in Sentence (3), other fenestration assemblies and their components shall have an air leakage characteristic, measured at an air pressure difference of 75 Pa, when tested in accordance with ASTM E283, “Standard Test Method for Determining Rate of Air Leakage Through Exterior Windows, Curtain Walls, and Doors Under Specified Pressure Differences Across the Specimen,” that is not greater than

(a)0.2 L/(s×m²) for fixed portions, including any opaque portions, and

(b)1.5 L/(s×m²) for operable portions.

(See Note A-5.9.3.4.(2))

(3)The following systems need not comply with Sentence (2):

(a)interior windows and interior doors that do not serve as environmental separators,

(b)vehicular access doors (garage doors),

(c)storm windows and storm doors,

(d)commercial entrance systems,

(e)revolving doors,

(f)smoke and relief air vents,

(g)site-built door systems, and

(h)commercial steel doors.

(See Note A-5.9.3.4.(3))

5.9.3.5. Water Penetration

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(1)Other fenestration assemblies and their components shall be designed and constructed in accordance with Section 5.6.

(2)Except as provided in Sentence (4), other fenestration assemblies and their components not covered in Article 5.9.2.2. shall resist water penetration when tested in accordance with

(a)ASTM E331, “Standard Test Method for Water Penetration of Exterior Windows, Skylights, Doors, and Curtain Walls by Uniform Static Air Pressure Difference,” or

(b)ASTM E547, “Standard Test Method for Water Penetration of Exterior Windows, Skylights, Doors, and Curtain Walls by Cyclic Static Air Pressure Difference.”

(See Note A-5.9.3.5.(2))

(3)Tests referred to in Sentence (2) shall be carried out at the driving rain wind pressure as calculated in accordance with CSA A440S1, “Canadian Supplement to AAMA/WDMA/CSA 101/I.S.2/A440-17, North American Fenestration Standard/Specification for windows, doors, and skylights.” (See Note A-5.9.3.5.(3))

(4)The following systems need not comply with Sentence (2):

(a)interior windows and interior doors,

(b)vehicular access doors (garage doors),

(c)storm windows and storm doors,

(d)commercial entrance systems,

(e)revolving doors,

(f)smoke and relief air vents,

(g)site-built door systems, and

(h)commercial steel doors.

(See Note A-5.9.3.5.(4))

5.9.4. Exterior Insulation Finish Systems

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5.9.4.1. Structural Loads, Heat Transfer, Air Leakage, Vapour Diffusion and Water Penetration

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(1)Exterior insulation finish systems and their components shall comply with

(a)Subsection 5.1.4. and Sections 5.3. to 5.6., and

(b)CAN/ULC-S716.1, “Standard for Exterior Insulation and Finish Systems (EIFS) - Materials and Systems,” where covered in the scope of that standard.

(See Note A-5.9.4.1.(1))