What is the primary purpose of this flashing tape?

This flashing tape creates a watertight seal around windows, doors, & construction seams. It prevents water intrusion & protects against moisture buildup, ensuring durability and longevity in various construction & renovation projects.

How does the tape ensure a watertight seal?

The tape features a rubberized asphalt coating laminated to a polyethylene film. Its self-adhering & self-sealing properties provide a smooth, waterproof barrier around nails, staples, and fasteners, effectively preventing leaks & moisture issues.

What temperature range is the tape suitable for?

The tape is designed to perform optimally in temperatures ranging from 40°F to 120°F. It can be applied in cold conditions, down to 30°F, making it versatile for various climates & seasons.

Is the tape UV resistant?

Yes, the tape is UV stable & can be exposed to sunlight for up to 30 days. However, to maintain its effectiveness, it should be covered or applied in areas with minimal UV exposure.

What surfaces can this tape be used on?

This flashing tape adheres well to a variety of surfaces, including wood, vinyl, & metal. It is suitable for both indoor & outdoor applications, offering reliable protection across different materials.

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💧 Seal Smart, Build Strong — Don’t Let Leaks Crash Your Space!

BUILT TO LAST - 20 mil thick polyethylene film resists cracking and tearing even with structural movement—durability you can trust.
EFFORTLESS APPLICATION - Self-adhering design means no extra glue or tools needed—just peel and stick for a flawless seal.
ULTIMATE WEATHER DEFENSE - Waterproof rubberized asphalt layer ensures your windows and doors stay dry and secure through any storm.
CERTIFIED QUALITY ASSURANCE - AAMA 711 verification guarantees industry-leading performance and peace of mind on every project.
VERSATILE FIT FOR EVERY FRAME - Perfect for straight window and door frames, with easy adaptability for various construction seams.

Poly Wall WindowSeal is a premium 4"x100' waterproof flashing tape with 20 mil thickness, featuring a self-adhering, self-sealing rubberized asphalt layer laminated to polyethylene film. Designed for straight window and door frames, it offers superior crack resistance and is AAMA 711 certified for trusted performance. Made in the USA, it ensures professional-grade weatherproofing with effortless installation.

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Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

¥24372

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Ali H.

Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

1 day ago

Ayesha M.

The product exactly matches the description. Very satisfied with my purchase.

5 days ago

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Manufacturer	POLYGUARD
Part number	PW.WS.4.100
Item Weight	1.54 kg
Package Dimensions	16.21 x 16 x 10.49 cm; 1.54 kg
Item model number	PW.WS.4.100
Size	4" x 100'
Colour	White
Material	Polyethylene
Item thickness	20 Mils
Item Package Quantity	1
Special Features	Self Adhering, Waterproof
Batteries Required?	No

Poly Wall WindowSeal Window Flashing Tape, 4"x100', 20mil Thickness. Waterproof, Self Adhering & Self Sealing. Strip in or Flash Straight Window Frames, Door Frames, & Other Construction Seams

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