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Damper Builders Work Opening Calculator

Use the form below to get access to our free Excel calculation aid, which is designed help all parties correctly calculate the required builders work openings for a compliant installation of Actionair dampers to CE methods. Our hole sizers can help you to define and create a schedule of builders work openings (holes) which, architects and installers can review, revise if needed, and validate before taking on site to ensure a smooth CE installation.