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    ​​MasterSeal 955 FLASHSEAL - All purpose, self-adhesive, instant waterproofing and repair tape


    What is Maste​​​rSeal 955 FLASHSEAL?

    MasterSeal 955 FLASHSEAL is a high grade, cold applied, self-adhesive, waterproof bitumen tape based on elastomeric bitumen strengthened with high performance adhesive polymers

    Where is MasterSeal 955​​​​ FLASHSEAL repair tape applied to?

    MasterSeal 955 FLASHSEAL has been developed specifically for sealing and repairing:

    • Cracked roof parapets, upstands and detailing
    • Failed seams and details in mastic asphalt, asphalt felt and other bituminous roofing systems
    • Cracked or damaged clay and concrete roof tiles
    • Around windows, doors, partitions, drywall panels
    • Around chimneys, ventilation pipes, skylights, dormer windows and other penetrations
    • Gutters, channels and downpipes

    What are the advantages of an all purpose, self-adh​esive, instant waterproofing and repair tape?

    • Easily applied by hand without the need for heat or flame
    • No special equipment needed
    • Perfect bond without primer on most common substrates: saves time and money
    • Aluminized backing provides excellent UV resistance for long life
    • Excellent resilience, tensile and tearing strengths for extra-long service life
    • Impermeable to water and air


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