TinnerFlow logoTinnerFlow™
Grease Duct, Kitchen Exhaust & Industrial Exhaust

Ductwork in Corrosive Environments

Corrosive environments like pools or chemical plants require special duct materials.

Red / Stop And Verify3rd yearBatch 2

What You Might Be Looking At

ductwork in areas with high humidity, chlorine, or chemical exposure

Apprentice words: pool duct, chemical room duct, corrosive air, special coating

Trade terms: corrosion-resistant duct, coated duct, stainless duct, FRP duct, PVC duct

Check First

What material does spec require for this environment?
Is it coated, stainless, FRP, or PVC?
Are fasteners also corrosion-resistant?

What Not To Do

Don't use standard galvanized in corrosive environments. Don't ignore material specifications for special environments.

What can go wrong: Rapid corrosion, duct failure, air contamination, safety hazard, expensive premature replacement

Better Foreman Question

For this [pool/chemical] environment, what duct material and fasteners does the spec require?

Open In Ask Foreman

Verify With

Reference type: project specs, ASHRAE

Source to verify: ASHRAE Applications Handbook, project specification Section 23 31 00

Safe wording: Corrosive environment materials are project-specific and safety-critical.

Search Related Field ChecksOpen Field ReferencesManufacturer Lookup