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Foam Seal

Foam Seal, Inc., manufactures a comprehensive line of custom engineered PVC (Polyvinyl Chloride) Foam & Foam Tapes to provide an economical solution to your most demanding sealing and cushioning requirements. These closed-cell PVC foams can be manufactured with or without adhesive.

Our Products


Aluma-Seal is an effective thermal insulator and prevents condensation or moisture build-up on the surfaces to which it is applied. Aluma-Seal is available in low and medium density PVC foam. It reduces vibration and deadens sound in HVAC applications. Aluma-Seal remains pliable at temperatures of -20ºC to 78ºC. Available in gauges 1/8″ to 1/4″.

Aluma-Seal Foam Technical Data Sheet

Aluma-Seal Low Density Technical Data Sheet

Aluma-Seal UL 723

Aluma-Seal UL 723 is used as an insulator for HVAC plenums, pipes and pans to prevent condensation build-up on surfaces to which it is applied. It reduces vibration, deadens sound, and seals duct work, holes and seams in HVAC applications. Aluma-Seal 723 conforms to UL 723. Aluma-Seal 723 remains pliable at temperatures of -20ºC to 78ºC. Available in gauges 1/8″ to 1/4″.

Aluma-Seal 723 Technical Data Sheet

Aluma-Seal UL723 Technical Data Sheet


70P UL HF-1/HBF is a low density industrial PVC foam formulated to confirm to UL HF-1/HBF. 70P UL is a recognized component of Underwriters Laboratories®. Available in gauges 1/16″ to 1/2″.

70P UL Foam Technical Data Sheet


Glass-Pad is an effective spacer material which clings to glass and other non-porous surfaces without adhesives. Glass-Pad is available with pressure sensitive adhesive for lamination to cork or other substrates. Available in gauges of 1/16″ to 1/8″.

Glass-Pad Technical Data Sheet

Topper Seal

Topper Seal is effective in a variety of non-critical sealing applications. It is available in a low density foam cast on PET. Available in 3/16 or 1/4 inch gauges, black and gray colors.