LEAKSEAL®
Fibreshield Waterproofing
A flexible, fibre-reinforced, water-based acrylic waterproofing coating designed to bridge hairline cracks, provide strong adhesion, and deliver durable weatherproof protection without the need for a separate reinforcing membrane.
LEAKSEAL® FibreShield Waterproofing is a one-component, easy-to-apply acrylic waterproofing coating reinforced with high-strength fibres to improve durability and crack-bridging performance. The fibre reinforcement allows the coating to span and seal hairline cracks and accommodate normal surface movement without the use of a separate membrane, simplifying application while delivering reliable waterproofing performance.
Features & Benefits
- Fibre-Reinforced Technology – Bridges hairline cracks without the need for an additional waterproofing membrane.
- Enhanced Strength & Durability – Embedded fibres help reduce cracking and improve long-term coating performance.
- Flexible & Seamless Waterproof Film – Adapts to surface movement and helps prevent water seepage.
- Excellent Adhesion to Most Substrates – Provides a stable base for compatible coating systems and topcoats.
- Weather-Resistant, Water-Based Formulation – Low odour, non-toxic and solvent-free for safer application.
- Easy Application – Can be applied by brush, roller or trowel for convenience on site.
- Recoatable Within 48 Hours – Supports efficient project turnaround and multi-coat systems.
- Excellent Alkali Resistance – Suitable for cementitious and masonry surfaces.
Intended Uses
The coating offers excellent adhesion to cement, concrete, masonry and various roof substrates, making it suitable for both new work and refurbishment projects. It forms a flexible, seamless protective film that resists water ingress and provides a stable base for subsequent UV-resistant topcoats such as SIMPLY® Metal & Rust, SIMPLY® Roof Paint and LEAKSEAL® Liquid Rubber Waterproofing to create a long-lasting waterproofing system.
LEAKSEAL® FibreShield Waterproofing is suitable for use on a wide range of horizontal and vertical exterior building surfaces where crack-bridging and flexible waterproofing are required. It is commonly used in maintenance, repair and refurbishment applications.
Typical applications include:
- Cement and concrete walls, parapets and exposed masonry
- Tops of freestanding walls and coping details
- Tiled roof cappings and roof feature details
- Gutters, roof screws, laps and tile junctions
- Hairline crack sealing on problem areas prone to movement
