Product Description
3M™ Vapor Flashing Tape 3015TWF is a self-adhered, acrylic flashing tape designed for through-wall and damp-proof applications. This 3M vapor flashing tape delivers exceptional puncture and abrasion resistance and installs without primer. With a black, non-asphaltic backing and pressure-sensitive adhesive, it adheres to most substrates, including damp surfaces such as metals and glass. It performs reliably in extreme temperatures from -40°F to 240°F (-40°C to 116°C), making it ideal for cold climates and year-round use.
This product offers durable, primerless adhesion for through-wall applications. Ideal for harsh weather, damp surfaces, and long-term sealing.
Typical 3M Vapor Flashing Tape Applications
- Through-wall flashing in new and remedial construction
- Behind exterior cladding, windows, and doors
- Over penetrations, openings, and transitions between substrates
- Sealant-compatible detailing for vapor barriers
Key Benefits of 3M Vapor Flashing Tape
- Excellent adhesion to damp and dry substrates
- Non-permeable and UV resistant for up to 12 months
- No primer required on most construction surfaces
- Compatible with many building sealants
- Service temperature: -40°F to 240°F (-40°C to 116°C)
- Installation temperature: 0°F to 150°F (-18°C to 66°C)
- 3M vapor flashing tape supports air barrier continuity and water protection across joints
Storage & Packaging
- Supplied in rolls: 25 ft, 75 yd (7.62 m, 68.58 m)
- Available widths: 4 in, 6 in, 9 in, 12 in, 18 in (101.6 mm to 457.2 mm)
- Product form: Roll
- Shelf life: Not specified; store in dry, clean environment
Product Properties
| Property | Specification |
|---|---|
| Adhesive Type | Acrylic |
| Application Method | Self-adhered |
| Application Temperature Range | -18°C to 66°C |
| Backing Material | Polyethylene, Polyester |
| Backing Thickness | 7.5 mil (0.19 mm) |
| Total Tape Thickness (no liner) | 11.5 mil (0.4 mm) |
| Elongation | 7% |
| Elongation at Break | >600 |
| Permeability | Non-permeable |
| Number of Adhesive Sides | Single-sided |
| Primary Liner | Polycoated Kraft |
| Color | Black, Semi-Transparent, Tan |
| Brand | 3M™ |
See our full selection of 3M products for related options.
For full installation guides, visit the official 3M™ product page.
