Non-skinning, non-drying, non-hardening and fire retardant synthetic polymer based pumpable sealants used in sealing longitudinal seams and capable of withstanding joint movement without cracking. Applied with a hand held or mounted pump, also used with a hose and spray gun that injects sealant into the female pocket of a Pittsburg lock seam.

Products Product Description 

Ductmate 5511

Pumpable-seam-sealantDuctmate 5511 is off white in color . This is the same Sealant Ductmate uses in their 4-bolt Flange systems.

Indefinite shelf life (IF un-opened)

Comes in 5-gallon pails and 55-gallon drums.
Spec Sheet
Item Codes

Hardcast Cold Seal

Pumpable-seam-sealantHardcast Cold Seal is red in color and has a one year shelf life (IF un-opened).

Comes in 5-gallon pails and 50-gallon drums.
Spec Sheet
Item Codes

Duro Dyne DLSN

Pumpable-seam-sealantDuro Dyne DLSN is Gray and has a one year shelf life (IFun-opened).

Comes in 5-gallon pails and 50-gallon drums.
Spec Sheet
Item Codes