Description
The 3M™ Extreme Sealing Tape 4411N is a single-coated, pressure sensitive adhesive sealing tape designed for tough, long-lasting sealing applications. Built with a durable ionomer film backing and a very soft, conformable acrylic adhesive, this tape offers exceptional sealing properties, flexibility, and outdoor durability—even in harsh environmental conditions.
Key Features & Benefits
- Exceptional Sealing Strength – Perfect for sealing over joints, seams, and penetrations without mechanical fasteners.
- Durable Ionomer Backing – Tough yet flexible, offering high abrasion resistance and long service life.
- Thick Conformable Adhesive – Fills gaps and irregular surfaces for a watertight seal.
- Excellent Outdoor Performance – UV-resistant, moisture-resistant, and withstands thermal shock.
- High Temperature Tolerance – Short-term up to 300°F (149°C) and long-term up to 200°F (93°C).
- Quick & Easy Application – Provides immediate sealing and reaches full bond strength in 24 hours.
Technical Specifications
- Backing Material: Ionomer film
- Adhesive Type: Multi-purpose acrylic
- Tape Color: Neutral
- Total Thickness: 40 mil (1.0 mm) without liner
- Tensile Strength: 13 lb/in (23 N/cm)
- Elongation at Break: 400%
- Peel Adhesion: 15 lb/in (26 N/cm) on stainless steel with 3M™ Adhesion Promoter 111
- Standard Widths: 0.75″ to 4″ (19 mm to 100 mm)
- Standard Length: 36 yards (32.9 m)
- Shelf Life: 24 months when stored at 72°F (22°C) and 50% RH
Ideal Applications
- Industrial Roof & Gutter Sealing – Long-lasting protection against leaks.
- Truck & Trailer Assembly – Sealing seams and joints in transport vehicles.
- Metal Building Construction – Reliable barrier against water and dust infiltration.
- Marine Applications – Sealing hatches, windows, and hull penetrations.
- HVAC & Ductwork – Airtight and moisture-resistant sealing.
Application Guidelines
- Surface Prep: Clean with a 50:50 isopropyl alcohol and water mix; use adhesion promoters for best results.
- Temperature Range: Apply between 70°F and 100°F (21°C to 38°C); avoid application below 50°F (10°C).
- Pressure: Use a roller for firm, uniform pressure to ensure complete contact.
- Overlap Joints: Overlap by at least 2 cm (3/4″) for maximum seal integrity.
Why Buy from E Control Devices?
As an authorized 3M distributor, E Control Devices guarantees genuine 3M Extreme Sealing Tape 4411N, technical support, and fresh stock with a 24-month shelf life. Our team ensures you get the right product for your sealing needs—fast and reliable.










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