Duct Putty | McMaster-Carr

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23 Products

Sealants

Sealants

Non-Hardening Caulk

Non-Hardening Caulk

Stays pliable while keeping out moisture

Caulking Tape

Press into place for an immediate, light duty seal

HVAC Sealants

Metal Duct HVAC Sealants

Metal Duct HVAC Sealants

Seal metal-to-metal joints in ductwork

HVAC Sealants

Form water-resistant seals on metal, plastic, and rubber joints in HVAC applications

Other Products

Glue

The first choice for everyday bonding and repairs

Structural Adhesives

Structural Adhesives

Epoxy, acrylic, urethane, and other adhesives strong enough to replace screws and rivets

Sealant Primers

Sealant Primers

Apply to surfaces before sealant to speed up drying times and improve adhesion

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)