SikaShield® W159 ED 1.5 mm – High-Performance Bituminous Waterproofing Membrane

Reliable Waterproofing for Below-Ground Structures

Build Chemicals, India's leading speciality building chemicals supplier based in Bangalore, proudly offers SikaShield® W159 ED 1.5 mm—an advanced bituminous waterproofing membrane designed for below-ground concrete structures. This wet-applied membrane ensures superior protection against water ingress, making it ideal for basements, foundations, and retaining walls.

Key Features & Benefits

SikaShield® W159 ED 1.5 mm stands out due to its exceptional properties:

• Flame-Free Application: No-torch installation ensures safety in confined spaces.
• Fully Bonded System: Prevents lateral water migration for reliable waterproofing.
• Wet Concrete Application: Can be applied directly onto wet concrete surfaces.
• High Impact Resistance: Reinforced with cross-laminated polyethylene for durability.
• Flexible at Low Temperatures: Maintains flexibility down to -15°C.
• Easy Installation: Removable liners on both sides facilitate quick application.

Versatile Applications

SikaShield® W159 ED 1.5 mm is suitable for a range of applications:

• Basements: Provides effective waterproofing for underground structures.
• Retaining Walls: Protects vertical concrete surfaces from moisture ingress.
• Foundations: Ideal for single and strip foundations under heavy protection.
• Multi-Layer Systems: Serves as a base sheet in complex waterproofing assemblies.

Technical Specifications

SikaShield® W159 ED 1.5 mm is engineered for high performance:

• Thickness: 1.5 mm ± 0.15 mm
• Tensile Strength: 3 N/mm² ± 10%
• Elongation at Break: 300% ± 10%
• Resistance to Static Puncture: 240 N ± 10%
• Water Vapor Permeability: 0.008 g/m²/24hr/mm-Hg ±10%
• Resistance to Lateral Water Migration: 70 m ± 7 m

Application Guidelines

For optimal results, follow these application steps:

• Surface Preparation: Saturate the concrete substrate with water before applying the adhesive mortar.
• Adhesive Application: Apply SikaShield® W1 adhesive mortar onto the wet substrate.
• Membrane Installation: Lay SikaShield® W159 ED 1.5 mm directly over the wet adhesive mortar.
• Sealing Overlaps: At temperatures below +10°C, seal overlaps using a gas torch or hot air.
• Rolling: Use a roller to press the membrane from the center to the edges, removing air bubbles.
• Curing: Allow the adhesive mortar to cure for at least 24 hours at +25°C before backfilling.

Storage & Handling

Ensure proper storage and handling to maintain product integrity:

• Packaging: Rolls of 1.0 m width and 20.0 m length.
• Shelf Life: 12 months from the date of production when stored in original, unopened packaging.
• Storage Conditions: Store vertically in dry conditions at temperatures between +5°C and +35°C. Do not stack pallets.

Choose Build Chemicals for Trusted Waterproofing Solutions

As a trusted supplier in Bangalore, Build Chemicals offers:

• Authentic Products: Guaranteed genuine Sika® waterproofing membranes.
• Expert Guidance: Professional advice on product selection and application techniques.
• Timely Delivery: Efficient logistics to ensure prompt delivery of orders.
• Comprehensive Solutions: A wide range of building chemical products to meet diverse needs.

Contact Us

For more information on SikaShield® W159 ED 1.5 mm or to place an order, reach out to Build Chemicals—your reliable partner for specialty building chemicals in India.