Engineered for Tyvek WRB seam sealing
Key features
2-inch width for standard overlap joints
Supports air and water barrier continuity
Technical specifications
| Width | 2.0 in |
|---|---|
| Length | 1980.0 in |
| Material | Oriented polypropylene film with acrylic adhesive |
| Application area | Sealing Tyvek WRB seams and overlaps |
Product details
Small WRB seam gaps can create outsized problems: air leakage, wet sheathing edges, and reduced thermal consistency across wall sections. Tyvek Seam Tape 2 in x 55 yd is intended to close those seams so the WRB layer performs as a connected system rather than isolated sheets.
The 2-inch format is typically chosen for standard overlap joints where installers need targeted coverage without excessive tape width. This can help keep detailing clean around dense nailing patterns, corner transitions, and routine field laps.
From a durability standpoint, seam tape performance depends heavily on field prep. Dust, moisture, wrinkled wrap, and low-pressure application are common causes of early bond failure. Centering tape over the lap and applying uniform pressure are basic but high-impact quality steps.
Use-case boundary is important for SEO and technical clarity: this product is for WRB seam sealing, not for window/door flashing details. For openings and penetrations, dedicated flashing products should be used to maintain proper system hierarchy and water-shedding logic.
Documents & certifications
Technical data sheet
Manufacturer-tested R-value, coverage, fire notes, and handling—use for submittals, RFIs, and field QA.
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