Foam Sealants

American Bolt stocks a wide range of industrial foam sealants that help block air, moisture, and dust in demanding environments. These foams expand to fill large cracks and irregular spaces, offering airtight sealing for HVAC systems, machinery enclosures, and building envelopes. Choose from spray-applied options, minimal-expansion formulas, and one-component cans that become tack-free in under an hour—perfect for work that moves quickly and needs reliable sealing.