Duct seal 321 is an all purpose industrial grade duct sealant for all types of metal duct fiberglass duct board duct fabric and flex duct.
Spray mastic duct sealant.
Mastic duct sealant while tape can be a quicker and easier fix it tends to be more expensive and less durable in the long run.
A better option is to use mastic air duct sealant.
Drywall foam and fiberglass insulation galvanized steel aluminum masonry and wood.
Our products and solutions deliver maximum efficiency unparalleled quality and unmatched savings and to ensure these goals are met we provide thorough training and field support.
Our sealant is the only option for aerosol sealants that get blown through the ductwork by a computerized system to find and seal leaks from the inside of the air ducts.
It can be used in shop and field applications to provide significant labor savings.
A premium grade zero voc smooth water based ul listed high pressure high velocity duct sealant for commercial and residential supply and return air duct use.
The sealant is fiber reinforced and easy to apply by brush gloved hand or putty knife to flex duct duct board and sheet metal air ducts.
Water based mastic duct sealant is the best option because it cleans up easier and will hold.
Available in two sizes this mastic is ideal for all manner of hvac air leak repairs.
It dries to a tough flexible and weather resistant seal.
This is a gooey substance which hardens after being applied to your ducts.
Dp 1010 spray is specially formulated for application by airless sprayers or pumps.
Dap high temp 100 rtv silicone sealant 10 3 fl oz red duct sealant.
It adheres to many surfaces like.
Mastic is an older way of sealing duct leaks that is actually not as effective as sealing with aeroseal.
This non toxic water based product is solvent free and is suitable for residential use.
Red devil offers you one the best mastic sealant solutions around.
7 mastic is a premium grade sealant used to seal the fabricated joints seams of sheet metal air ducts rigid fiberglass air ducts flexible air ducts thermal insulation crawl space vapor retarders conditioned spaces from air infiltration.
It is thick and easily applied with a paintbrush or putty knife.
