Caulking Compounds: Even though not especially created for HVAC apps, selected caulking compounds is usually used to seal small gaps and penetrations in ductwork. Picking out a compound with the mandatory adaptability and warmth resistance is vital for making certain powerful and sturdy seals. HVAC trade publications and on-line boards https://damienvitfq.shopping-wiki.com/9215841/the_greatest_guide_to_ducting_polyurethane