Getting spray foam insulation in BC? Use this quick checklist before work begins. First, confirm your installer is certified to CAN/ULC-S705.2. Second, ask how the foam will be protected after installation. Third, choose an approved spray foam thermal barrier, such as ½-inch drywall or 11 mm plywood. Fourth, don't forget rim joists in finished basements. Fifth, check local rules with your building official. Sixth, get the barrier itemized in your quote. Following these steps helps you avoid failed inspections and costly rework. See the full guide from Western Insulation: https://westerninsulation.ca/spray-foam-thermal-barrier-bc/