Building the future
Technical Data Sheet
Here’s a Technical Data page for Kliu Cork Spray, structured and rewritten based on the reference: Thermal Cork Solutions – Technical Data, adapted to align with Kliu’s branding and tone.
Technical Data – Kliu Cork Spray
Kliu Cork Spray, a natural cork-based coating, is engineered for high-performance thermal insulation, acoustic dampening, waterproofing, and surface protection. Its durability is a testament to its quality, making it a reliable choice for residential and commercial applications. It combines flexibility and sustainability in a single product, ensuring long-lasting performance.
Below is the complete technical breakdown of our sprayed cork solution:
Product Composition
- Primary material: Natural cork granules (from cork oak bark)
- Binder: Water-based acrylic resin
- Additives: Natural pigments, UV stabilizers, anti-microbial agents
- VOC Content: < 1 g/L (low-VOC, non-toxic)
- Form: Paste ready for spray application
- Color options: Available in multiple factory-tinted color variations
Physical Properties
Property |
Value / Description |
| Density | ~ 0.50 g/cm³ |
| Thickness per coat | ~1.0–1.5 mm per layer |
| Recommended application | Two coats (total 2–3 mm) |
| Weight per pail (12 kg) | Covers approx. 60–80 sq. ft. (5.5–7.5 m²) |
| Texture | Light to medium grain (customizable) |
| Finish | Matte, breathable, elastic |
Thermal & Acoustic Performance
Feature |
Performance |
| Thermal conductivity | 0.043–0.045 W/m·K |
| Thermal resistance | Class II – Enhances building insulation |
| Sound absorption | Reduces airborne noise (8–12 dB) |
| Thermal bridging | Mitigated through seamless elastic finish |
Mechanical Properties
Property |
Test Result / Standard |
|
Adhesion strength |
Excellent on stucco, EIFS, concrete, wood |
|
Elasticity |
High flexibility – prevents cracking |
|
Abrasion resistance |
Medium |
|
Impact resistance |
Moderate to high (per ASTM D2794) |
|
Expansion/contraction |
Adapts with substrate movement |
Environmental & Health Standards
- VOC Emissions: Virtually zero (< 1 g/L)
- Mold/Mildew Resistance: Yes (ISO 846 compliant)
- Fire Resistance: Class B (ASTM E84)
- Breathability: Yes – vapor-permeable (prevents condensation)
- Eco-Certification: Complies with sustainable building criteria (LEED, BREEAM)
- Application Environment: Indoor and outdoor safe
Application Guidelines
- Surface prep: Clean, dry, dust-free surface required
- Primer: Use Kliu-approved primer for optimal adhesion
- Equipment: Spray gun with 6–8 mm nozzle
- Drying time: Touch dry in 2–4 hours; full cure in 24–48 hours
- Application temp: 45°F to 95°F (7°C to 35°C)
- Shelf life: 12 months in sealed pail (stored cool and dry)
Compatible Substrates
- Stucco and EIFS systems
- Cement panels and fiber cement board
- Concrete block and poured concrete
- Brick and masonry
- Metal siding (primed)
- Interior drywall (with primer)
- Wood (treated or primed)
Key Advantages
- Provides thermal insulation and acoustic control
- Water-repellent yet vapor-permeable (prevents moisture entrapment)
- UV-resistant and highly flexible to prevent surface cracking
- Naturally fire-resistant, eco-friendly, and non-toxic
- Adheres to virtually all construction surfaces with proper preparation
- Long-lasting colorfast finish with minimal maintenance
For contractors, architects, or project managers requiring MSDS sheets, installation specs, or field application support, contact us.