3M Industrial Sealing Tape IS1, 10 mil Thickness

3M™ Industrial Sealing Tape IS1: Waterproof Pressure-Sensitive Tape Overview

3M Industrial Sealing Tape IS1 offers a clean, efficient alternative to traditional sealants for industrial sealing applications. This waterproof, conformable, pressure-sensitive tape features a multilayer elastomeric film backing and an aggressive acrylic adhesive to create a durable water and vapor barrier. Ideal for sealing joints, rivet lines, and fastener penetrations, it performs across a wide temperature range from -40°F to 240°F (-40°C to 116°C).

Engineered for demanding environments, the IS1 tape delivers reliable adhesion to metals, plastics, fiberglass, and wood — even in cold-weather conditions down to 0°F (-18°C). It simplifies assembly by eliminating messy liquid sealants while maintaining high tack, flexibility, and UV resistance. Available in multiple widths, including 2", 4", and 60" rolls, as well as custom sizes, it’s a versatile choice for automotive, HVAC, and specialty vehicle manufacturing.

Note: 3M Industrial Sealing Tape IS1 is commonly paired with 3M Extreme Sealing Tape for enhanced water and vapor barrier performance.

Features and Benefits of 3M IS1 Industrial Sealing Tape

• Waterproof Protection: Creates a robust water and vapor barrier that helps prevent leaks around rivets, joints, and fasteners.
• Aggressive Acrylic Adhesive: Bonds firmly to metals, plastics, fiberglass, plywood, and other substrates with minimal surface prep.
• Cold-Weather Application: Can be applied in temperatures as low as 0°F (-18°C) and performs reliably from -40°F to 240°F (-40°C to 116°C).
• Flexible, Conformable Backing: Fits easily between panels and around tight corners for precise, gap-free sealing.
• Fastener Sealability: Maintains a watertight seal when pierced by rivets, screws, or nails.
• Clean, Efficient Alternative: Replaces slow-curing liquid sealants with a pressure-sensitive tape that speeds up production.
• UV and Aging Resistant: Designed to withstand outdoor exposure and maintain performance over time.

Specifications

• Series: IS1
• Product Type: Acrylic Sealing Tape
• Application Method: Pressure-Sensitive Adhesive
• Width Options: 2", 4", 60", and Custom Sizes
• Length: 36 yd
• Total Thickness: 10 mil (0.25 mm)
• Backing (Carrier) Material: Multilayer Elastomeric Film
• Adhesive Type: Acrylic
• Color: White
• Liner Material: Polycoated Kraft (Tan)
• Tensile Strength: 22 lb/in (385 N/cm)
• Elongation at Break: >700%
• Core Size: 3 in (76.2 mm)
• Face Side Adhesive Thickness: 5 mil (0.13 mm)
• Flame Retardant: No
• Indoor/Outdoor Use: Both
• Operating Temperature Range: -40°F to 240°F (-40°C to 116°C)
• Minimum Application Temperature: 0°F (-18°C)
• UV Resistance: Yes
• Shelf Life: 24 Months
• Standards Met: ASTM E2178

Applications & Industries

• Automotive & Specialty Vehicles: Sealing around frames, panels, and riveted joints to prevent water intrusion.
• HVAC & Ducting Systems: Creates moisture barriers in interior joints and seams.
• Electronics & Enclosures: Protects against vapor and dust ingress around housing tops and covers.
• Wind Energy & Aerospace: Provides a flexible waterproof seal for composite structures and assembly joints.
• General Industrial Manufacturing: Ideal for sealing metal, fiberglass, wood, and plastic components.
• Appliance & Equipment Assembly: Ensures long-term leak prevention in seams and fastening areas.