VELOSIT Waterproofing Accessories
VELOSIT® DB 830
Waterproof Joint Sealing Tape
VELOSIT DB 830 is a waterproof joint sealing tape designed for waterproofing construction joints, expansion joints, cracks, pipe penetrations, and wall-slab transitions. Its flexible, thin profile makes it especially suitable for tile and flooring applications.
Waterproof joint tape • Expansion joints • Crack waterproofing • Pipe penetrations • Tile-ready profile • UV stable
Typical Applications
Construction Joints
Waterproofing between different concrete pours.
Cracks
Sealing cracks before coatings, overlays, or waterproofing systems.
Pipe Penetrations
Flexible waterproofing around pipe and service penetrations.
Wall-Slab Joints
Protection at critical transitions between vertical and horizontal surfaces.
Expansion Joints
Designed for waterproofing moving joints and expansion areas.
Mixed Substrate Interfaces
Ideal where substrates have different expansion behavior.
Properties & Benefits
> 300% Tensile Elongation
Excellent flexibility for movement and joint bridging.
Minimal Thickness
Especially suitable under tile applications and thin flooring assemblies.
High Water Pressure Resistance
Resists 50 m / 160 ft water pressure according to EN 12390-8.
Chemical Resistance
Good resistance against many typical construction and environmental media.
UV Stable
Designed for durable performance in exposed or demanding conditions.
System Compatible
Works as part of professional VELOSIT waterproofing and flooring systems.
Product Categories
Flooring
Primer / Waterproofing Accessories
Flexible Joint Waterproofing for Critical Details
VELOSIT DB 830 provides professional waterproofing protection for joints, cracks, transitions, and penetrations where flexibility and long-term durability are essential.
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