Fire/Smoke Dampers & Rated Assemblies

A fire damper in the field not recognized

A fire/smoke damper is installed backwards or upside down

A fire/smoke damper sleeve gap is packed with regular fiberglass

A required access door, damper, panel, or service space is blocked. What do I do?

A spiral riser has a wide open slab penetration gap

Access At Every Fire/Smoke Damper

Access At Every Fire/Smoke Damper

Access door for damper inspection

Access door hidden above hard ceiling

Access door hidden above hard ceiling

Access door installed on wrong side

Access door installed on wrong side

Access door too small

Actuator access/power/control clearance not coordinated

An FSD actuator hums but the blades do not move

Annular Space And Angles

Annular Space And Angles

Approved submittal before installing damper not checked

Ask to run damper inspection walk

Blade swing before fastening duct not checked

Can a fire/smoke damper be installed at a 45-degree angle in a rated wall?

Can multi-section fire/smoke dampers be joined with regular drywall screws?

Can you fire-caulk raw duct directly through a rated drywall wall without a sleeve?

Ceiling Access Panel For Hidden Devices

Ceiling Access Panel For Hidden Devices

Checking approved submittal before installing damper

Checking blade swing before fastening duct

Checking shaft wall detail before duct pass-through

Checking wall/floor rating before penetration

Combination Fire/Smoke Dampers

Combination Fire/Smoke Dampers

Coordinating actuator access/power/control clearance

Covering UL label or losing documentation

Covering damper access with duct/insulation/ceiling grid

Damper Label and Access Identification Before Ceiling Close

Damper Label and Access Identification Before Ceiling Close

Damper Mounting Position Limits

Damper Mounting Position Limits

Damper access with duct/insulation/ceiling grid

Damper actuator blocked by duct or wall

Damper actuator blocked by duct or wall

Damper backwards or wrong orientation

Damper handle blocked by hanger or other trade

Damper handle blocked by hanger or other trade

Damper installed without required retaining angles

Damper installed without required retaining angles

Damper is just another fitting and rushing

Damper open/closed position before startup not verified

Damper type for smoke/fire/smoke combo

Drywall is about to cover a fire damper access

Duct Firestop At Penetrations

Duct Firestop At Penetrations

Duct hits a rated wall at a 45-degree angle and the fire damper cannot sit square

Duct insulation covers required access

Duct insulation covers required access

Ductwork Penetration Firestopping

Ductwork Penetration Firestopping

Ductwork in Atriums

Ductwork in Atriums

Ductwork in Stairwell Pressurization

Ductwork in Stairwell Pressurization

Existing fire damper on renovation looks non-compliant or missing sleeve/access

Failed fire damper inspection: screws in blade path or access correction

Fire Damper Access Door Location

Fire Damper Access Door Location

Fire Damper Drop Test Procedure

Fire Damper Drop Test Procedure

Fire Damper Sleeve Requirements

Fire Damper Sleeve Requirements

Fire Damper Sleeves And Breakaway

Fire Damper Sleeves And Breakaway

Fire damper access door is painted shut, seized, or will not open

Fire damper retaining angles are pre-attached too tight

Fire damper retaining angles are screwed into the wall framing

Firestop scope unclear and not escalated

Firestop scope unclear and not escalated

Forgetting to install a fire damper in a rated wall penetration

Forgetting to install access doors at every fire damper, control valve, and coil in the system

Fusible Link Temperature and Replacement

Fusible Link Temperature and Replacement

Fusible Links: Rating, Condition, and Replacement

Fusible Links: Rating, Condition, and Replacement

Grille/diffuser in way that hides damper

How do I ensure fire-stopping is done correctly around duct penetrating a floor slab?

How do I verify fire/smoke damper orientation before cover?

How do we support vertical riser ductwork at each floor penetration?

I do not know what this unknown metal component in the rated wall is - could it be a fire damper?

I put a screw into a possible fire damper or blade path

Identifying A Rated Wall/Floor

Identifying A Rated Wall/Floor

Ignoring inspection correction on damper access

Inspection correction on damper access

Installing access door too small

Installing damper backwards or wrong orientation

Installing grille/diffuser in way that hides damper

Is It A Balancing Damper Or A Fire Damper?

Knowing difference between fire, smoke, and combination damper

Labeling damper access

Leaving room to remove access panel

Missing access door for damper inspection

Mixed ceiling radiation damper with wall fire damper requirements

Mixing ceiling radiation damper with wall fire damper requirements

Multi-section fire/smoke dampers are spliced with the wrong screws

Never Defeat A Life-Safety Damper

Never Defeat A Life-Safety Damper

Not knowing difference between fire, smoke, and combination damper

Not labeling damper access

Not sealing kitchen exhaust duct penetrations through rated assemblies with intumescent

Pre-fire-damper inspection walk checklist

Rail and Subway Tunnel Smoke/exhaust Coordination

Rail and Subway Tunnel Smoke/exhaust Coordination

Rated penetration cut too large without approved repair

Rated penetration cut too large without approved repair

Raw duct is run through a rated drywall wall with only fire caulk

Recognizing a fire damper in the field

Report screw into damper

Room to remove access panel not left

Screws or duct liner interfering with damper blade

Screws or duct liner interfering with damper blade

Shaft wall detail before duct pass-through not checked

Should fire damper retaining angles be screwed to the wall framing?

Sleeve/breakaway connection requirements not verified

Smoke Damper vs Fire Damper vs Combination

Smoke Damper vs Fire Damper vs Combination

Smoke Detector Location in Duct

Smoke Detector Location in Duct

Thinking damper is just another fitting and rushing

Ul label or losing documentation

Verifying damper open/closed position before startup

Verifying sleeve/breakaway connection requirements

Wall/floor rating before penetration not checked

What if an FSD actuator hums but the blades do not move?

What if an FSD sleeve gap is packed with regular fiberglass?

What is a "Z-bracket" and how do I use it to secure shaft duct to the concrete deck?

What is a breakaway connection on a fire damper?

What should I do if another trade is about to bury a fire damper?

Why can tight retaining angles cause a fire damper problem?

Why does smoke exhaust equipment need manufacturer clearance to combustibles?

Why is a big gap around round duct through a floor slab a fire/smoke issue?

Wrong damper type for smoke/fire/smoke combo