Caulking Compounds: Even though not specifically created for HVAC applications, certain caulking compounds is usually used to seal small gaps and penetrations in ductwork. Deciding on a compound with the required versatility and warmth resistance is essential for guaranteeing efficient and sturdy seals. Yes, you are able to paint ductwork, https://martinttsqo.wikifordummies.com/8727504/5_easy_facts_about_pu_ducts_described