Apprentice question
Stop and ask
Stop. Get direction before you touch it.
Waterlogged liner is not just dirty; it can be rejected and may create mold/air-quality problems. Protect lined duct off the ground and under cover, and flag wet material before install.
['You stage 20 sections of internally lined acoustic ductwork out in the open staging yard overnight. A sudden rainstorm hits, soaking the internal fiberglass liner layer completely before it can be hoisted into the building.', 'Waterlogged liner is not just dirty; it can be rejected and may create mold/air-quality problems. Protect lined duct off the ground and under cover, and flag wet material before install. The likely recovery is to check the condition, correct prep/setup if it is within your assignment, and bring the foreman clean information before the work creates rework overhead.']