Corrosion-Resistant Systems · Aluminum Ductwork

Install straight aluminum round duct

Aluminum round duct — Pool or specialty exhaust

Hardware guidanceAvoid aggressive steel screws that tear or contaminate aluminum.
Anti-seize / gallingUse a small controlled amount of approved compound on stainless clamp threads.

How to install it

  1. 1

    Support with broad bands

  2. 2

    maintain roundness

  3. 3

    insert fittings gently

  4. 4

    secure with approved aluminum or isolated stainless fasteners

  5. 5

    seal.

Quality check

  • Duct remains round
  • fasteners do not elongate holes.

Stop and verify

Stop if thin wall deforms during tightening.