Roof Top Shield 404 – Advanced Roof Waterproofing Paint
Roof Top Shield 404 is a high-performance waterproof roof coating manufactured using modified acrylate styrene copolymer technology and specially formulated performance-enhancing additives. Designed specifically for rooftop waterproofing applications, it forms a seamless, highly elastic membrane that protects concrete surfaces from water penetration, UV radiation, carbonation, and environmental deterioration.
The advanced formulation offers exceptional flexibility with elongation up to 150%, enabling the coating to bridge hairline cracks and accommodate structural movement without compromising waterproofing performance.
Roof Top Shield 404 is ideal for residential, commercial, industrial, and institutional buildings where long-term roof protection and waterproofing are required.
Key Features
✔ Superior waterproofing protection
✔ Excellent UV resistance
✔ Anti-carbonation technology
✔ Crack bridging up to 2 mm
✔ 120–150% elongation
✔ Excellent adhesion to concrete
✔ Prevents reinforcement corrosion
✔ Resistance to algae and fungi growth
✔ Low VOC and environmentally friendly
✔ Excellent alkali resistance
✔ Zero water absorption
✔ Long-lasting durability
Benefits of Roof Top Shield 404
Stops Roof Leakage
Creates a durable waterproof membrane that prevents water seepage through concrete roofs.
High Flexibility
Elongation of 120–150% allows the coating to absorb structural movement and bridge hairline cracks.
Protects Concrete Structures
Reduces carbonation and helps prevent steel reinforcement corrosion.
UV Resistant Protection
Withstands prolonged sunlight exposure without deterioration.
Crack Bridging Performance
Capable of bridging cracks up to 2 mm while maintaining waterproofing integrity.
Cleaner Roof Surface
Resists algae, fungus, moss, dust accumulation, and environmental staining.
Long Service Life
Provides reliable waterproofing performance for years when properly applied.
Eco-Friendly Formula
Low VOC and low odor formulation makes application safer and environmentally responsible.
Recommended Usage Areas
Roof Top Shield 404 is recommended for:
- Concrete rooftops
- Roof slabs
- Flat roofs
- Terraces
- Balconies
- Planter boxes
- Canopies
- Parapet walls
- Podium decks
- Residential buildings
- Commercial buildings
- Industrial facilities
- Educational institutions
- Hospitals
- Waterproof maintenance projects
Technical Specifications
| Property | Result |
|---|---|
| Adhesion to Concrete | 1.2 MPa |
| Tensile Strength | 1.4 MPa |
| Elongation | 120–150% |
| Water Absorption | 0% |
| Crack Bridging | Up to 2 mm |
| Waterproofing Test | Passed (20 ft Water Resistance) |
| Coverage | 25 SFT/Liter |
| Application Temperature | 5°C – 45°C |
| Recoat Time | 3–6 Hours |
| Final Curing Time | 6–12 Hours |
| Shelf Life | 12 Months |
Application Method
Surface Preparation
- Surface must be clean, dry, and structurally sound.
- Remove dust, grease, loose particles, old coatings, and contaminants.
- Repair cracks and honeycombs using Shield Con Sealant and Shield Concrete Gum.
- Ensure new concrete cures for at least 28 days.
Priming
Apply Concrete Gum-Shield Primer before waterproof coating application for optimum performance.
Application
First Coat
Apply Roof Top Shield 404 evenly using brush, roller, or spray.
Second Coat
Apply second coat perpendicular to the first coat after 3–6 hours.
Curing
Allow 6–12 hours curing after the final coat.
Packaging
Available in:
- 20 Liter Pail
- 10 Liter Pail
- 5 Liter Pail
Storage
Store in a cool, dry place below 35°C.
Protect from direct sunlight and freezing.
Shelf Life: 12 Months in unopened packaging.
Warranty
Roof Top Shield 404 comes with up to 10 Years Waterproofing Performance Warranty when used with Concrete Gum-Shield primer and applied according to manufacturer recommendations.
Frequently Asked Questions (FAQ)
What is Roof Top Shield 404 used for?
It is used for waterproofing rooftops, terraces, canopies, balconies, and other exposed concrete surfaces.
Can it bridge cracks?
Yes. It can bridge cracks up to 2 mm.
Is Roof Top Shield UV resistant?
Yes. It is specially formulated to withstand prolonged UV exposure.
How many coats are required?
Two coats are recommended for optimal waterproofing performance.
What is the coverage rate?
Approximately 25 square feet per liter depending on surface condition and application method.

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