Is Your Sandwich Dryer Vent a Fire Hazard?

Clogged dryer vents cause thousands of home fires in the U.S. every year. The culprit is lint — highly flammable, and it builds in the duct no matter how carefully you clean the trap. For Sandwich homeowners it is one of the most overlooked fire risks in the house.

Why the lint trap isn’t enough

Fine fibers escape past the trap and collect along the entire duct run. As the duct narrows, the hot, moist air the dryer needs to expel cannot escape, so heat and flammable lint accumulate together — the exact combination that starts dryer fires. Clearing only the trap does nothing for the duct where the real danger builds.

How to tell yours is clogged

Clothes still damp or hot after a full cycle, a dryer cabinet that is hot to the touch, a burning or musty smell, a humid laundry room, or lint appearing around the outside vent hood all point to a blocked vent. So does simply not remembering the last cleaning. Homes in Sandwich with long or twisting duct runs clog faster and show these signs sooner.

Why duct material and routing matter

Flexible foil and vinyl “slinky” ducts sag and trap lint at every ripple, and vinyl is itself a fire risk; smooth-walled rigid or semi-rigid metal duct moves air far better. Long runs and roof-terminating vents collect lint faster and need cleaning more often. A poor duct setup works against you every load.

Our process

We clean the entire duct from the dryer connection to the exterior vent using rotary brushes and a vacuum, clear the outside vent flap, and confirm strong airflow when we’re done. We also check the transition hose behind the dryer, where lint loves to collect. Clearing the full line — not just the reachable part — is the only real fix.

How often

Once a year is the baseline, more often for large households, homes with pets, or long and twisting runs. It is a small job that prevents a very large one, and it restores fast drying and lower energy bills in the bargain. Book dryer vent cleaning before the risk builds, not after.

Where lint really hides

Homeowners clean the lint trap and assume the job is done, but the trap catches only a fraction. The rest collects where you cannot see it: along the full length of the duct, in the elbows and bends, behind the dryer in the transition hose, and packed around the exterior vent flap where it also blocks the damper from closing. Long runs and roof vents are the worst. That hidden lint is what fuels a dryer fire and chokes airflow. Clearing the whole line — every foot of it — is the only cleaning that actually reduces the risk in your Sandwich home.

Published September 30, 2026 · Imperial Chimney Sweepers, DeKalb, IL