Clutch Sealant
Clutch Sealant
Clutch Sealant
Reliable sealing solutions for watertight sheet pile joints. Maxx Piling supplies a complete range of interlock sealants designed to ensure watertight and durable sheet pile connections across marine, civil, and foundation works. Our products include Expanding Seal, Biguma, and Wadit. Each engineered for different ground and site conditions, offering trusted performance in both temporary and permanent retaining structures.
With excellent adhesion, flexibility, and proven chemical resistance, Maxx Piling’s sealants deliver dependable sealing performance on every project.
Hydrophilic swelling sealant for watertight sheet pile joints
Environmentally friendly and easy to apply, Maxx Piling Expanding Seal is a polyurethane-based hydrophilic mastic that expands up to 350 % of its original volume when in contact with moisture
It provides a long-lasting, flexible seal for U and Z-section sheet piles, precast concrete joints, and underwater or wet conditions.
Key Advantages
Expands up to 350% on contact with water, ensuring a tight, watertight interlock
Solvent-free, polyurethane-based formulation
Adheres to steel, concrete, PVC, HDPE, and fibreglass
Resists at least 10 bar / 1000 kPa of water pressure
Proven chemical resistance to fuels, oils, and acids
Quick and clean installation using a standard caulking gun, no melting pots required
Ideal for: marine walls, cofferdams, culverts, and temporary or permanent works requiring watertight joints.
Bituminous, hot-applied joint sealant
A traditional and proven bituminous hot-poured sealant designed for sealing the locks of steel sheet piles, particularly effective in sandy or granular soils
Biguma SV offers excellent adhesion and flexibility, forming a durable waterproof joint after cooling.
Key Advantages
Hot-applied bituminous sealant with strong adhesion
Suitable for steel sheet pile joints before installation
No primer required and simple to apply using a melting pot or sealing lance
Resistant to groundwater and approved for use in drinking-water applications
Environmentally safe, meeting European hygiene and groundwater standards
Ideal for: sandy soils, marine installations, and projects requiring a robust, traditional bitumen seal.
Eco-friendly wax-based joint sealant
Wadit is a cold-applied, wax-based sealant offering a clean, sustainable solution for sealing sheet pile interlocks. It is particularly suited to environmentally sensitive or urban sites where bituminous products or heating equipment are not desirable.
Key Advantages
Cold-applied and solvent-free for safe, simple handling
Excellent adhesion and flexibility for watertight interlocks
Compatible with U- and Z-piles, as well as combined wall systems
Reusable and recyclable, supporting circular construction practices
Ideal for: projects prioritising environmental responsibility and reduced site emissions.
