- Footnote 1
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Based on the qualification testing to CAN/ULC-S712.1, the specified minimum site density must comply with CAN/ULC-S712.1 as measured on site in accordance with CAN/ULC-S712.2:2017, "Standard for Thermal Insulation – Light Density, Open Cell Spray Applied Semi-Rigid Polyurethane Foam – Installation."
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- Footnote 2
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The WVP is determined from a core sample with the top and bottom skins removed. Due to the effect of the skins, the WVP at this thickness may be lower in the site-installed product.
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- Footnote 3
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For retrofit construction, the time to occupancy is one (1) day when the segregated retrofit area is ventilated as required by CAN/ULC-S712.2 during installation of the product. See Table 1, Note 3 in the Annex for further details.
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