TinnerFlow™2nd YearVAVs & Fan CoilsYELLOW · Check First
Line up the slip flanges or raw edges carefully. Drive sheet metal screws (tek screws) through the mating flanges spaced every 4 to 6 inches, and use high-temperature foil tape or silicone sealant to seal the perimeter completely. Take care not to puncture the internal hydronic circuit or electric element racks with long screws.
Line up the slip flanges or raw edges carefully. Drive sheet metal screws (tek screws) through the mating flanges spaced every 4 to 6 inches, and use high-temperature foil tape or silicone sealant to seal the perimeter completely. Take care not to puncture the internal hydronic circuit or electric element racks with long screws.
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Use this as training guidance. The foreman, approved drawings, project specs, manufacturer installation instructions, employer safety policy, and AHJ/code requirements always control the final answer.