3M 414H Scotch-Mount Extreme Double-Sided Mounting Tape
The 3M 414H Scotch-Mount Extreme double-sided mounting tape delivers professional-grade bonding for demanding indoor and outdoor applications. This five-pack of black mounting tape rolls (25.4 mm x 1.52 m each) provides reliable adhesion for signage, displays, trim, and fixture mounting. Whether you're securing lightweight panels, mounting graphics, or installing trim in high-traffic environments, this extreme-strength tape offers superior holding power without fasteners or drilling.
Perfect for facilities managers, installers, and maintenance professionals who need durable double-sided tape that performs in temperature fluctuations and humidity. The Scotch-Mount Extreme formula resists UV exposure and moisture, making it ideal for both climate-controlled interiors and outdoor installations.
Key Features
- Extreme-strength adhesive for permanent bonding on multiple surfaces
- Double-sided design eliminates visible fasteners and drilling
- Weather-resistant and UV-stable for outdoor durability
- Moisture-resistant formula maintains adhesion in humid conditions
- Five 25.4 mm x 1.52 m rolls per pack for extended coverage
- Black color blends seamlessly with most mounting surfaces
- Fast-setting adhesive reduces installation time
- Works on metal, plastic, glass, and painted surfaces
Technical Specifications
| Specification |
Details |
| Manufacturer |
3M Display Materials and Systems |
| Part Number |
414H-LONG-DC |
| Product Series |
Scotch-Mount Extreme |
| Tape Width |
25.4 mm (1 inch) |
| Tape Length per Roll |
1.52 m (5 feet) |
| Quantity per Pack |
5 rolls |
| Color |
Black |
| Adhesive Type |
Double-sided acrylic |
| Temperature Range |
-20°C to 60°C (-4°F to 140°F) |
| Moisture Resistance |
High humidity rated |
| UV Resistance |
Outdoor-grade UV stable |
Frequently Asked Questions
What surfaces does 3M 414H mounting tape work on?
The Scotch-Mount Extreme tape bonds effectively to metal, plastic, glass, painted drywall, and composite materials. For best results, ensure surfaces are clean, dry, and free of dust or oils before application.
Can this double-sided mounting tape be used outdoors?
Yes. The extreme-strength formula includes UV and moisture resistance, making it suitable for outdoor signage, trim installation, and fixture mounting. It maintains adhesion through temperature fluctuations and humidity exposure.
How long does the adhesive take to set?
The fast-setting acrylic adhesive achieves initial tack within minutes. For maximum bond strength, allow 24 hours of curing time before subjecting the mounted item to stress or vibration.
How much coverage does one 5-pack provide?
Each pack contains five rolls of 1.52 m length at 25.4 mm width, providing approximately 7.6 linear meters of double-sided mounting tape. This covers multiple mounting applications or allows for overlap and reinforcement on larger installations.
