Alibaba.com offers 2 duct sealant products. About 100% of these are adhesives & sealants. A wide variety of duct sealant options are available to you, There are 2 duct sealant suppliers, mainly located in Europe. The top supplying country is United Kingdom, which supply 100% of duct sealant respectively. Duct sealant products are most popular in South Asia, Domestic Market.