Aquasure, Aquaseal and Seam Grip (liquid PU)
Also: Aquasure + FD, Aquaseal FD, Seam Grip, Stormsure
Liquid polyurethane seals small holes, scratches and seams. It stays flexible but takes many hours to cure.
According to the retailer, Aquasure + FD is a flexible, transparent PU glue for holes, tears and leaking seams, also as a preventive measure against abrasion. It cures overnight. Important: it's not a contact cement and not suitable for gluing on loops; use Helaplast for that. Aquaseal (Gear Aid) and Seam Grip are comparable products, and Anfibio also names Stormsure.
Curing times according to Alpacka: 6 to 8 hours, 1 to 2 hours with accelerator (Cotol). Luc Mehl reckons on 10 to 14 hours in cold and wet conditions. Apply thinly; thick layers peel off.
Matching gear
Advertising: This page contains affiliate links (marked with *). If you buy through them, we earn a commission at no extra cost to you.
GearAid Aquasure + FD* (advertising, external link, opens in a new window)
Sources and further reading
- Packrafting Store: GearAid AquaSure + FD
- Alpacka Raft: Repair Guide (English)
- Luc Mehl: Packraft Field Repair Kit (English)
- Anfibio blog: collection of tips (German)
Research as of 13 Nov 2026. We have marked manufacturer information as such.