574 Fastfill Plug is a rapid setting, single component polymer modified cementitious putty designed for arresting pressurised water ingress through cracks, joints, and voids in concrete and masonry. It is ideal for emergency repairs where structures cannot be taken out of service. The system cures within minutes and forms a durable seal that withstands up to 10 bar (145 psi) of negative hydrostatic pressure.
Formulated with advanced cement and fibre technology, this reactive repair putty is mixed easily on-site with water and applied by hand. Once cured, it acts as a reliable first stage barrier against water infiltration and is compatible with follow on Resimac cementitious coatings such as 572 Concrete Seal CWC and 573 Fastfill Screed.
Key Features
- Seals live leaks under pressure in concrete
- Resists 10 bar (145 psi) negative hydrostatic pressure
- Cures in minutes for rapid intervention
- Easy-to-mix single component cementitious system
Typical Applications
- Cracks and joints in wet concrete
- Pressurised leak repairs
- Emergency containment sealing
- Pre-treatment for 572 and 573 cement systems
