MAPEPROOF SWELL Hydro Expansive Sealant

MAPEPROOF SWELL – Powerful Concrete Crack & Joint Waterproofing Solution

MAPEPROOF SWELL is a premium, single-component hydro-expansive sealant paste, supplied in easy-to-use 320 ml cartridges. Designed for high-performance sealing and waterproofing, it expands on contact with water to form a flexible, watertight barrier in cracked or compromised concrete structures.

Ideal Uses Include:

• Sealing cracks and joints in reinforced concrete

• Waterproofing cold joints and construction joints

• Sealing formwork spacers and pipe penetrations

• Preventing water infiltration in precast concrete elements

• Waterproofing drainage outlets and lighting in pools and tanks

• Bonding and sealing a variety of concrete joints and transitions

Perfect for: Civil engineering, foundations, basements, tunnels, water tanks, swimming pools, and any structure exposed to water ingress.

Packaging: Box of 6 cartridges (320 ml each) – efficient for both small repairs and large-scale jobs.

Why Choose MAPEPROOF SWELL?
This hydro-expansive sealant ensures lasting, flexible waterproofing in high-moisture environments. It’s engineered to expand in wet conditions, sealing even hard-to-reach leaks in concrete. Compatible with concrete, precast elements, and structural joints, it delivers professional-grade results for both commercial and residential waterproofing projects.

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Technical data sheet