7-Layer Engineered System
RAINCARE PUA 7 LAYER SYSTEM
Premium 7-Layer PU-Acrylic Membrane — 350% Elongation, 2000-Hr UV
Podiums, expansive flat roofs, high foot traffic areas — PREMIUM tier
System Architecture
Layer-by-Layer Configuration
Read from top (final protective layer) down to the substrate.
7
TOPCOAT / FINISH
Aliphatic Weather-Proof Top Coat
UV-resistant reflective shield for maximum weather longevity
6
WATERPROOF MEMBRANE
PU-Acrylic Blend Coat
Core structural layer combining elastic recovery with tensile strength
5
REINFORCEMENT
Secondary Reinforcement
Geo-fabric reinforcing for maximum mechanical puncture resistance
4
WATERPROOF MEMBRANE
Intermediate PU Coat
Mid-layer waterproofing to lock down reinforcing layers
3
REINFORCEMENT
Primary Technical Mesh
High-durability glass-fibre mesh embedded into wet base coat
2
WATERPROOF MEMBRANE
First Waterproofing Base Coat
Initial pure elastomeric PU coating
1
PRIMER / BOND
Penetrative Primer
Deep-penetrating sealer coat to anchor subsequent polymeric layers
SubstrateConcrete / Screed / Masonry
PRIMER / BOND
WATERPROOF MEMBRANE
REINFORCEMENT
TOPCOAT / FINISH
LAYERS
7 Layers
The most comprehensive waterproofing system in the Armstrong range
ELONG
350%
Elongation — extreme movement accommodation
UV
2000 Hrs
UV resistance — ASTM G 154, zero deterioration
Performance Data
System Specification
Total Thickness
1.2–1.5mm nominal
Elongation
> 350%
Adhesion to Concrete
> 2.0 N/mm²
Crack Bridging
Up to 3mm
UV Resistance
2000 hours — zero deterioration (ASTM G 154)
Light foot traffic
After 48 hours of final layer curing
Primer dilution
20% water; core coats: 10% water or neat
Packing
10L, 20L, 210L
Shelf Life
12 months
Application Sequence
How This System Is Installed
- 1Penetrative PrimerDeep-penetrating sealer coat to anchor subsequent polymeric layers
- 2First Waterproofing Base CoatInitial pure elastomeric PU coating
- 3Primary Technical MeshHigh-durability glass-fibre mesh embedded into wet base coat
- 4Intermediate PU CoatMid-layer waterproofing to lock down reinforcing layers
- 5Secondary ReinforcementGeo-fabric reinforcing for maximum mechanical puncture resistance
- 6PU-Acrylic Blend CoatCore structural layer combining elastic recovery with tensile strength
- 7Aliphatic Weather-Proof Top CoatUV-resistant reflective shield for maximum weather longevity
Applicable Structures
Where This System Excels
Podiums Expansive Flat Roofs High Foot Traffic Areas Premium Membrane Installations
Site-Specific Estimate
Get an engineered quote for RAINCARE PUA 7
Our technical team specifies each layer to your substrate, gradient, and exposure. Toll-free consultation available across India.