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 -30F to +200F 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: Its listed for use from -30F to +200F.

Q: Does it have a release liner?
A: Yesit’s listed with a slit liner for easier removal during installation.

Q: What standards does it meet?
A: Its 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

Theres a quiet luxury in the unseen layerswhere 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. Its 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.

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