Sika Greenstreak Waterbar FB-125 164ft Roll

Sika Waterbar FB-125 is a hybrid waterstop with a rough textured surface based on flexible polyolefin (FPO). The waterstop is placed into the fresh concrete and becomes fully embedded in the cured concrete. It provides a fully bonded, durable watertight seal, that prevents any lateral water underflow.

Bonded to concrete structure - no lateral water underflow
Permanent flexibility
Quick and easy to install

$948.86

SKU

22799

Sika Greenstreak Waterbar FB-125 – 164ft Roll

Sika Greenstreak Waterbar FB-125 is a flexible, fully bonded waterstop designed for construction joints in watertight concrete structures. Made from a hybrid flexible polyolefin (FPO), it features a rough textured surface to bond tightly with fresh concrete and prevent lateral water migration. Installed directly into the concrete during placement, this durable waterstop creates a continuous, watertight seal ideal for below-grade and water-retaining applications. With no need for recesses or special tools, it reduces installation time while maintaining long-term performance.

Key Features:

Fully bonded to concrete to prevent lateral water underflow
Flexible and durable polyolefin construction
Quick installation without special tools or detailing
Compatible with other Sika waterproofing systems
Resistant to all natural soil and groundwater substances
Supports easy repair in the event of leakage

Applications:

Basements and underground structures
Water retaining tanks and reservoirs
Water treatment and waste management plants
Swimming pools and recreational facilities
Retaining walls and foundation joints

Technical Specifications:

Property	Value
Material	Flexible Polyolefin (FPO)
Thickness	> 3.00 mm
Shore A Hardness	85 ± 10%
Tensile Strength	≥ 6 N/mm²
Elongation	≥ 400%
Adhesion in Peel	≥ 50 N / 50 mm
Water Tightness	Pass (EN 1928, Method B)
Lateral Water Migration	Pass (7 bar, 7 days)
Service Temperature	-10°C to +40°C
Roll Length	164 ft (50 m)
Shelf Life	36 months (unopened, dry storage)
Color	Light Grey

Frequently Asked Questions:

How is the FB-125 waterbar installed?
It is embedded at least 30 mm into fresh concrete and fixed to shutters, rebar, or the concrete itself depending on joint type.

Can it be used in vertical and horizontal joints?
Yes, it’s suitable for slab-to-slab, slab-to-wall, and wall-to-wall construction joints.

Is UV exposure a concern?
Yes. The product must be protected from UV and weather exposure if concrete is not placed within 90 days of installation.

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