Square Duct Taps & Branching · Lined-duct tap

Cut and install tap in lined duct

Square Duct Installation — Internally lined main

Task typeLined-duct tap
Tools / equipmentKnife, snips, liner adhesive

How to install it

  1. 1

    Cut metal and liner cleanly

  2. 2

    retain cookie

  3. 3

    seal exposed liner edges

  4. 4

    install tap without tearing liner

  5. 5

    seal.

Quality check

  • No loose liner
  • edges sealed

Stop and verify

Stop if liner is wet/delaminated