Caulking Compounds: Whilst not particularly created for HVAC apps, specific caulking compounds may be used to seal smaller gaps and penetrations in ductwork. Selecting a compound with the required flexibility and heat resistance is critical for making certain powerful and durable seals. Common cleansing and servicing in the ductwork can https://ductingpolyurethane47813.jaiblogs.com/62449287/polyurethane-ducting-things-to-know-before-you-buy