Polyken 627-35 Shadowlastic Black Flashing Tape, 6 in x 50 ft Roll
Black peel-and-stick flashing tape (6 in x 50 ft)
Polyken 627-35 Shadowlastic is a black self-adhering flashing tape designed to help seal vulnerable building transitions against moisture and air intrusion. Its rubber-based adhesive and conformable construction make it well-suited for common flashing details around openings and roof/wall interfaces.
Key Features:
- Weather-Tight Sealing: Helps block moisture and air leaks at critical building transitions and openings.
- Strong Rubber Adhesive: Rubber-based adhesive supports fast, reliable bonding to help create a durable seal.
- Wide Coverage Roll: 6-inch width provides broad coverage for typical flashing and detailing tasks.
- Temperature Ready: Rated for service from -30°F to 200°F for use across a wide range of jobsite conditions.
- Standards Compliance: Listed as meeting AAMA 711 and select ASTM test standards for performance expectations.
Specifications Table:
| Specification | Details |
|---|---|
| Product name | Polyken 627 6 Flash Tape Black 50' |
| Category | Flashing |
| Sub-category | Metal Flashing Tape |
| Unit of measure | RL - Roll |
| Color | Black |
| Width | 6 in |
| Length | 50 ft |
| Thickness | 35 mil |
| Trade name | Shadowlastic |
| Adhesive material | Rubber |
| Adhesive type | Butyl Rubber |
| Material | Rubber |
| Liner type | Slit |
| Minimum operating temperature | -30 °F |
| Maximum operating temperature | 200 °F |
| Standards met | ASTM D 412-97; ASTM D 903-93; AAMA 711; ASTM E2112 |
Frequently Asked Questions (FAQ):
Q: What size is this flashing tape roll?
A: This roll is 6 inches wide and 50 feet long.
Q: What adhesive does it use?
A: It uses a rubber-based adhesive (often described as butyl/rubber adhesive depending on listing).
Q: What temperature range can it be used in?
A: It’s listed for use from -30°F to 200°F.
Q: Does it have a release liner?
A: Yes—it's listed with a slit liner for easier removal during installation.
Q: What standards does it meet?
A: It’s listed as meeting AAMA 711 and ASTM D 412-97, ASTM D 903-93, and ASTM E2112.
A sleek, shadow-toned seal for the details that matter
There’s a quiet luxury in the unseen layers—where craftsmanship lives and longevity begins. This deep black flashing tape brings a crisp, tailored finish to transitions, creating a confident barrier that helps protect your envelope from air and moisture. Use it to refine window and door openings or any edge where precision matters, letting the architecture read clean and intentional. It’s the kind of behind-the-scenes essential that supports truly elevated living.
Seal your critical transitions with Polyken Shadowlastic flashing tape for a cleaner, tougher, more weather-tight build.