








🪟 Seal your space, save your comfort—winter-proof your windows with XFasten!
XFasten Window Sealing Tape is a 3-inch by 30-yard heavy-duty, transparent acrylic tape designed for airtight and watertight sealing of windows and doors. Featuring a strong 300 PSI tensile strength and weather-resistant materials, it withstands extreme temperatures, moisture, and UV exposure. The residue-free, surface-safe adhesive removes cleanly from wood and other surfaces, making it ideal for long-term, professional-grade weatherproofing with minimal effort.







| Color | Clear |
| Brand | XFasten |
| Full Cure Time | 20 Seconds |
| Item Form | Strip |
| Maximum Gap Fill | 8 Mils |
| Surface Recommendation | Wood |
| Tensile Strength | 300 PSI |
| Water Resistance Level | Waterproof |
| Manufacturer | XFasten |
| Item Weight | 10.8 ounces |
| Item model number | TWST330 |
| Size | 3" x 30Yds |
| Style | Window Weather Sealing Tape |
| Material | Acrylic |
| Thickness | 8 Mils |
| Cutting Diameter | 4.2 Inches |
| Certification | Iso 9001:2005, Astm |
| Special Features | Surface-safe and Woodsafe, Uv-Resistant, Anti-cold Draft and Provides Airtight Sealing, Residue-free, Self-Adhering |
| Included Components | 3 Inches x 30 Yards Weather Window Sealing Tape |
| Batteries Required? | No |
| Assembled Diameter | 4.2 Inches |
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