BUILD TIMES: SMALL ITEMS: 2 Wks | LARGE: 3-6 Wks | STORE STATUS CLOSED: REOPENS JULY 30
MLD Is Closed Until the First of Next Month. Interest in super ultralight gear has grown far beyond our production capacity, and in order to maintain reasonable lead times and the quality Mountain Laurel Designs is known for, we’ve moved to a monthly ordering system for 2026. How It Works: At the beginning of each month, we open ordering for a limited time. Once our production capacity is reached, the store closes again until the 1st of the following month. You’re still welcome to browse the site, research products, and build your wish list while ordering is closed. LEARN MORE.

Questions? Most common answers can be found on our product pages, info sections, and FAQs. We truly appreciate your patience and support.

Ultra TNT Tape

$10.00

Ultra TNT Repair + Seal Seam Tape.

WEIGHT: Super UL

Ultra TNT Repair + Seal Seam Tape is the ultimate solution for rugged fabric repairs, offering unmatched adhesion and strength. Perfectly bonds to the laminate side of many outdoor technical fabrics like Challenge Ultra X, Ultra, EcoPak EPLX, Dimension X-Pac, and Dyneema DCF, this tape ensures a reliable, long-lasting fix.

Ultra TNT Repair + Seal Seam Tape.

WEIGHT: Super UL

ONE: 1.25″ x 8′ piece of Ultra TNT Repair + Seal Seam Tape.

Ultra TNT Repair + Seal Seam Tape is the ultimate solution for rugged fabric repairs, offering unmatched adhesion and strength. Perfectly bonds to the laminate side of many outdoor technical fabrics like Challenge Ultra X, Ultra, EcoPak EPLX, Dimension X-Pac, and Dyneema DCF, this tape ensures a reliable, long-lasting fix.

Ultra TNT Tape is versatile and ultra light, replacing standard duct tape and providing far greater strength for field repairs, to things like broken trekking and tent poles. It’s also ideal for reinforcing DCF shelters and laminates, ensuring your gear holds up under extreme use.

Whether you’re backpacking, bikepacking, or just need reliable tape for on-the-go fixes, Ultra TNT Repair + Seal Seam Tape is the perfect “go to.” Add it to your UL repair kit and know you can fix anything, even deer v. car trim mishaps!

FEATURES

• High-tack, strong adhesive comparable to the best permanent DCF bonding adhesives and high-quality duct tapes.
• Ultra threads reinforce the tape at 0°, 45°, 135°, and 180° angles, preventing creep and stretch.
• Can be used in place of duct tape for most applications, offering far greater strength due to the Ultra (Dyneema/Spectra) reinforcement threads.
• It has replaced regular duct tape in my on-trail, bikepacking, and travel repair kit. I’ve even used it for deer vs. car body trim repair.
• Repairs broken trekking and tent poles far more effectively than duct tape.
• Ideal for repairs and reinforcements on DCF shelters.

INCLUDES

• ONE: 1.25″ x 8′ piece of Ultra TNT Repair + Seal Seam Tape.

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