Corrosion-Resistant Systems · Corrosive Exhaust & Chemical Areas
Install dual-wall corrosive duct
Double-wall specialty duct — Industrial/lab
Hardware guidanceUse compatible inner and outer hardware systems.
Anti-seize / gallingKeep anti-seize isolated from inner chemical barrier unless approved.
How to install it
- 1
Connect inner chemical barrier first
- 2
inspect
- 3
restore insulation/annulus
- 4
close outer shell
- 5
support both layers as designed.
Quality check
- Inner joint is verified before outer closure.
Stop and verify
Stop if inner barrier cannot be inspected.