Question from Debbie
Has anyone used Mastic Low to High Velocity Air Duct Sealant by RCD Corp to seal air ducts in attic? The MSDS says it has a pleasant odor and is not a hazardous chemical as defined by OSHA.
Debra’s Answer
Readers?
Has anyone used Mastic Low to High Velocity Air Duct Sealant by RCD Corp to seal air ducts in attic? The MSDS says it has a pleasant odor and is not a hazardous chemical as defined by OSHA.
Readers?
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