Observed arrival · 2026-10-13

A Code Check for Fire and Smoke Dampers

damperguide.com Visit website

Editorial interest 77/100 Selection signal · not a rating of the site

A free tool checks duct and air-transfer-opening conditions against fire and smoke damper requirements in the 2018, 2021, and 2024 IBC.

Landing page captured for the 2026-10-13 issue.

For: Designers and reviewers checking duct penetrations
Worth noticing: It flags prohibited dampers in clothes-dryer exhaust, commercial kitchen grease ducts, and hazardous exhaust, with cited IMC sections.

Field notes

Users choose among the 2018, 2021, and 2024 IBC editions, then answer questions about a duct or air-transfer opening and the assembly it crosses. The page explains the roles of different damper types and identifies related IMC prohibitions for clothes-dryer exhaust, commercial kitchen grease ducts, and hazardous exhaust. It cautions that local amendments can alter the model-code answer.

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Editorial observations of this landing page, not a rating.

○OpenPublic substance visible

✦PrettyNotable craft visible

◎NicheUnusually specific use

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