Sika RainTite 20Kg

Sika RainTite 20Kg| 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)
Layer
Consumption
Primer (if porous, diluted 10%)
~0.3 kg/m²
First coat
~0.3 kg/m²
Second coat
~0.3 kg/m²
2. With Membrane (Recommended)
Layer
Consumption
Primer (if porous)
~0.3 kg/m²
First coat
0.8 – 1.0 kg/m²
Reinforcement
RainTite membrane
Second coat
0.8 – 1.0 kg/m²
Top coat
~0.4 kg/m²
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.