Tyvek Seam Tape 2 inch x 55 yards

DuPont™ Tyvek® Seam Tape – 2 in x 55 yd WRB Seam Sealing Tape

DuPont™ Tyvek® Seam Tape is a professional-grade seam sealing tape designed to seal overlaps and joints in Tyvek® weather-resistive barriers (WRBs). It helps maintain the continuity of the air and water-resistive layer by sealing housewrap seams and transitions where uncontrolled air movement and moisture intrusion can occur.

In simple terms: This tape seals the seams where Tyvek® housewrap sheets overlap, helping keep wind and water out of the wall.

Tyvek® Seam Tape is engineered specifically for use with Tyvek® WRBs, providing reliable adhesion and long-term performance when installed as part of a complete building envelope system. Its 2-inch width offers ideal coverage for wrap seams without adding bulk or unnecessary overlap.

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Best For

• Contractors: Sealing housewrap seams to meet air barrier and WRB detailing requirements.
• Homeowners/DIY: Improving energy efficiency and weather protection by properly sealing wrap seams.

Key Benefits

• Seals WRB seams: Helps maintain a continuous air and water-resistive barrier.
• Designed for Tyvek® wraps: Engineered to work with Tyvek® HomeWrap®, CommercialWrap®, and related products.
• Reliable adhesion: Bonds well to properly prepared wrap surfaces.
• Clean, professional finish: Helps create neat, durable seam details.
• Supports energy efficiency: Reduces air leakage through unsealed wrap joints.

Typical Uses

• Sealing horizontal and vertical housewrap seams
• Detailing WRB overlaps and joints
• Reinforcing wrap continuity around transitions
• Supporting air barrier detailing on exterior walls
• Weatherproofing wrap installations prior to cladding

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Specifications

Product Type	WRB seam sealing tape
Size	2 in x 55 yd (165 ft)
Brand	DuPont™ Tyvek®
Primary Use	Sealing Tyvek® WRB seams and overlaps
Compatibility	Designed for use with Tyvek® housewrap products

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Installation Notes (Best Practice)

• Apply to clean, dry wrap: Ensure the housewrap surface is free of dust, moisture, and wrinkles.
• Center over seams: Place tape evenly across overlapping wrap joints.
• Press firmly: Use hand pressure or a roller to activate adhesive contact.
• Do not substitute for flashing: Use flashing tape for windows, doors, and penetrations.

Why It Matters

Unsealed wrap seams can allow air leakage and water intrusion that reduce energy efficiency and compromise wall performance. Tyvek® Seam Tape helps close those gaps, supporting a continuous WRB and contributing to a more durable, comfortable, and energy-efficient building envelope.

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Common Questions

Q: What is Tyvek® Seam Tape used for?
A: It is used to seal seams and overlaps in Tyvek® housewrap installations.

Q: Can this replace flashing tape?
A: No — seam tape is for WRB seams only. Use Tyvek® flashing tape for windows, doors, and penetrations.

Q: Can homeowners install this?
A: Yes — it’s straightforward to apply and commonly used by both contractors and DIY installers.