This app helps determine duct construction and reinforcement options based on duct size and system pressure class. It provides condensed lists of suitable options, saving time spent on manual calculations and table lookups. Results are based on industry standards for galvanized steel duct sheets.
1.3.1
December 22, 2025
We are always working on various improvements and new features.
Hi, thank you for your feedback. Once you input the duct size and pressure rating, the app will list the acceptable duct construction and reinforcement options. Start by checking your input, and if the problem persists, let us know at welmurr@icloud.com
Duct Construction supports duct sizes ranging from 2 inches to 120 inches. This wide range allows for calculations across various project scales.
You can calculate for pressure classes including 0.5 in.wg, 1 in.wg, 2 in.wg, 3 in.wg, and 4 in.wg. This covers common system pressure requirements.
Yes, the app provides the duct weights for each calculated option per linear foot. This is useful for material estimation and structural considerations.
Duct Construction provides the required duct gauge and reinforcement spacing for each design. It also includes clear illustrations for each reinforcement type and its dimensions.
Based on the provided information, Duct Construction is currently supported on iPhone and iPad. An Android version is not specified.
The app was last updated on December 22, 2025, with version 1.3.1. Upcoming updates are planned to include SI units, more pressure class options, and user data saving features.
Duct Construction is a paid application priced at $2.99. This one-time purchase grants access to its duct calculation features.
No, Duct Construction does not contain advertisements. As a paid app, it offers an ad-free experience for its users.
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