Sika RainTite 20Kg (Grey)| ACRYLIC WATERPROOFING

Product Category: Acrylic Waterproofing Coating Brand: Sika Model Code: Sika® RainTite

Description

Sika® RainTite is a modified acrylic waterproofing coating, cold-applied and thixotropic, designed to form a seamless, flexible, and UV-resistant waterproof membrane. It is ideal for roof finishing and decorative waterproofing applications.

Applications

• Concrete sloped roofs (with membrane)

• Roof finishing layer

• Sealing joints, laps, and screws

• Parapet walls

• External walls

• Corrugated metal roof protection

Key Features

• UV and weather resistant

• Easy application (brush or roller)

• No primer required (for most surfaces)

• Excellent adhesion

• High flexibility

• Seamless waterproof coating

• Non-toxic

• Anti-fungal performance

Product Information

• Type: Acrylic waterproof coating

• Packaging:

  • 4 kg pail

  • 20 kg pail

• Colours:

  • Transparent

  • White

  • Grey

  • Ivory

  • Stone Grey

  • Meadow Green

  • Coffee Cream

  • Coro Red

• Shelf Life: 12 months

• Storage: +5°C to +30°C, dry, avoid sunlight

Technical Data

• Tensile Strength: ~13 N/mm²

• Elongation at Break: ~20%

• Tear Strength: ~45 N/mm²

• Weathering Resistance: Excellent (3000 hrs test)

System Options

1. Without Membrane (Basic System)

2. With Membrane (Recommended)

Thickness

• Without membrane: ~0.3 – 0.45 mm

• With membrane: ~1.0 mm

Application Conditions

• Temperature: < 35°C

• Drying Time: ~2–3 hours

Substrate Preparation

• Surface must be:

  • Clean

  • Sound

  • Properly cured

• Remove:

  • Dust

  • Loose particles

  • Rust (for metal surfaces)

Application Method

Without Membrane

• Apply primer (if substrate porous)

• Apply 2 coats (~0.3 kg/m² each)

With Membrane

• Apply primer

• Apply first coat (0.8–1.0 kg/m²)

• Embed membrane (overlap ≥50 mm)

• Apply second coat while wet

• Apply final top coat after drying

Important Limitations

Do NOT use:

• Under screed or tile system

• On flat roofs with ponding water

• When rain is expected

• In temperatures above 35°C

Important Notes

• Minimum roof slope: 3% (with membrane)

• Protect from rain during curing

Performance Advantages

• Decorative waterproof finish

• UV resistant (ideal for exposed surfaces)

• Cost-effective solution

• Easy DIY-friendly application

• Suitable for metal and roof repair

Safety & Handling

• Follow SDS guidelines

• Clean tools with water immediately

Additional Notes

• Lab-tested data

• Site conditions may affect performance

• Local regulations may vary

Summary

Sika® RainTite is a decorative acrylic waterproofing solution ideal for sloped roofs, walls, and metal surfaces, offering UV resistance, ease of application, and cost-effective protection, best suited for light-duty exposed waterproofing applications.