Schomburg Aquafin-RS300 is a light grey rapid hybrid waterproofing membrane. It has very low emissions, rapid, reactive drying. It’s resistant to concrete damaging water and can be used for transitions to water impermeable components.

Aquafin-RS300 is sulphate resistant, can be plastered and coated, it also adheres to damp substrates without primer. It’s multi-functional, resistant to de-icing salt, UV resistant and ageing resistant. Rainproof, can be walked on and coated after just 3 hours.

Aquafin-RS300 can be used for sealing components in direct ground contact, for retrospective waterproofing of buildings, sealing of container constructions up to 6m fill height.

It can also be used for bonded sealing with tiles and boards. It’s suitable for old, firmly bonded bitumen substrates and on balconies and terraces.



  • Approx 1.5kg/m2 per mm layer thickness


Click here to view the Technical Data Sheet for Aquafin-RS300

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