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Sika Sikafloor 377 Kit: Polyurethane Waterproofing Resin

High-Performance Car Park Deck Waterproofing Resin

Sikafloor®-377 is a premium 2-part polyurethane, crack-bridging, low-viscosity flooring resin. Engineered for medium to heavy wear conditions, it provides a seamless, hard-wearing, and slip-resistant finish when broadcast with aggregate. Ideal for both internal and external car park deck systems.

Key Features & Benefits

  • Superior Crack-Bridging: Maintains integrity under structural movement.
  • Low Moisture Sensitivity: Prevents foaming and blistering during the curing process.
  • Chemical & Mechanical Resistance: Built for heavy traffic and harsh environments.
  • Waterproof: Provides an essential barrier for car park deck systems (PB-32 UV and PB-55 UV).
  • Low VOC: Environmentally conscious formulation with low emissions.

Primary Applications

  • Car Park Deck waterproofing and wearing layers.
  • Slip-resistant broadcast systems for trafficable areas.
  • Economical self-smoothing resin when filled with quartz sand.

Product Specifications

Packaging 25 kg ready-to-mix unit (Part A: 20.25 kg / Part B: 4.75 kg)
Finish Smooth, matt finish (Standard Colour: Beige)
Composition High-grade Polyurethane resin
Shelf Life 12 months (stored between +5 °C and +30 °C)

Technical Documents

Download Product Data Sheet (PDS)
Download Safety Data Sheet (SDS) - Part A

Technical specifications and application guidelines provided by Sika Australia.