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    Sikalastic® M 635 (formerly known as MasterSeal® M 635) - Flexible and elastic single component polyurethane waterproofing membrane

    How does MasterSeal M 635 work ?

    MasterSeal M 635 is a single component, liquid applied polyurethane based, elastomeric coating for roof waterproofing.

    Recommended Uses

    Applicable for outdoor use

    • Can be applied on concrete and cement mortar

    • Waterproofing of roofs, balconies and terraces


    What are the features & benefits of MasterSeal M 635 ?

    • High elasticity and flexibility

    • Excellent adhesion to concrete and mortar. Fully bonded system

    • Tar free

    • Root resistant

    • Easy to apply

    • Excellent crack bridging capacity even at low temperatures

    • Monolithic – no laps, welds or seams

    • High water vapor permeability - low risk of blistering

    • Resistant to standing water


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