Original Juffali Sandwich Volcanic Insulated Block – Size 20 (Kasvol JuffaliCore 2-20)

The Ultimate Fusion of Juffali Excellence and Sandwich Innovation.

The Original Juffali Sandwich Volcanic Insulated Block – Size 20 (Kasvol JuffaliCore 2-20) represents the pinnacle of volcanic masonry innovation, combining the legendary strength of premium Juffali volcanic aggregate with advanced sandwich construction technology. This exceptional 40×20×20 cm block features our proprietary JuffaliCore 2-20 sandwich design – a specialized 2-core hollow configuration with enhanced insulation properties that delivers exceptional thermal efficiency, superior acoustic performance, and unmatched structural integrity. With its ultra-lightweight 12 kg design and precision-engineered sandwich construction, it offers engineers, architects, and developers the ultimate solution for projects demanding the highest levels of quality, durability, and energy efficiency across Saudi Arabia and the Gulf region.

• Premium Juffali Aggregate Legendary strength and durability from the finest volcanic material available – ensures multi-generational performance.
• JuffaliCore 2-20 Sandwich Technology Innovative sandwich design with Juffali aggregate maximizes thermal efficiency while maintaining structural integrity.
• Sandwich Construction Enhanced thermal break between inner and outer layers improves insulation performance.
• Integrated Insulation Thermal conductivity of 0.60 W/m·K reduces energy consumption and maintains comfortable indoor temperatures.
• Superior Sound Resistance 44 dB acoustic performance creates quieter, more peaceful indoor environments.
• Ultra-Lightweight Design At only 12 kg per block, installation is significantly faster, easier, and more cost-effective.
• 4 MPa Strength Reliable compressive strength for non-load-bearing and partition applications.
• 6-Hour Fire Resistance Exceptional fire protection enhances building safety.
• Enhanced Thermal Efficiency Sandwich design improves insulation properties through strategic air gaps.
• Unmatched Durability Juffali aggregate ensures exceptional resistance to weather, moisture, and temperature extremes.
• Versatile Finishes Available in rough (for plastering) or smooth (for exposed walls).
• Precision Engineering Optimized sandwich geometry ensures consistent quality and performance.
• Proven Heritage Trusted for generations in Gulf construction – now with advanced sandwich technology.
• Eco-Friendly Made from sustainable, natural materials with efficient resource utilization.

• Iconic Architectural Projects The ultimate choice for signature buildings demanding the very best materials and performance.
• Luxury Residential Developments Uncompromising quality for premium villas and exclusive housing complexes.
• Exterior Non-Load-Bearing Walls Premium building envelope with exceptional durability and thermal efficiency.
• Interior Partition Walls Ultra-lightweight, acoustically effective division of interior spaces with premium Juffali quality.
• Commercial Buildings Perfect for high-end offices, retail centers, hotels, and facilities.
• Heritage & Landmark Buildings Multi-generational durability for buildings meant to last centuries.
• Government & Institutional Projects Trusted premium quality for public sector developments.
• Renovation Projects Lightweight design ideal for upgrading existing structures with premium materials.
• Acoustically Sensitive Areas 44 dB sound resistance near highways, airports, and urban centers.
• Climate-Sensitive Environments Exceptional performance in extreme heat, humidity, and harsh conditions.

1. Natural Strength
Volcanic aggregates, especially Juffali, are inherently durable, providing exceptional compressive strength and long-term performance that synthetic materials cannot match.

2. Built-In Insulation
Unlike conventional concrete blocks, volcanic blocks offer natural thermal and acoustic insulation – reducing or eliminating the need for additional insulation layers.

3. Lightweight Advantage
With dry density as low as 500 kg/m³ and weight of just 12 kg per block, these are significantly lighter than traditional blocks, making them exceptionally easy to handle, transport, and install.

4. Fire Resistance
Volcanic materials are non-combustible, providing up to 6 hours of fire protection – a critical safety feature for any building.

5. Climate Suitability
Engineered specifically for the Gulf region, volcanic blocks perform exceptionally well in extreme heat, humidity, and harsh weather conditions.

6. Cost Efficiency
Faster installation, reduced labor, and lower material costs make volcanic blocks a smart economic choice for any project scale.

7. Sandwich Advantage
The innovative sandwich design provides enhanced thermal performance without additional weight or complexity.

8. The Juffali Advantage
Unmatched durability and prestige for projects that demand the absolute best.

Building Responsibly for a Better Future

At Kasvol, sustainability is at the heart of everything we do. The JuffaliCore 2-20 Sandwich Volcanic Block reflects our commitment to environmentally responsible construction at the highest level:

• Natural Materials Made from abundant, locally sourced Juffali volcanic aggregates – the ultimate sustainable choice.
• Energy Efficiency Thermal insulation (0.60 W/m·K) reduces operational energy consumption.
• Optimized Material Usage Sandwich design maximizes efficiency – less material, same performance.
• Ultra-Lightweight Design At only 12 kg, lower transportation emissions due to reduced weight.
• Ultimate Durability Exceptional lifespan minimizes replacement cycles and construction waste – true sustainability through longevity.
• Non-Toxic Made from safe, natural materials with no harmful emissions.
• Local Manufacturing Proudly produced in Saudi Arabia, reducing import-related emissions.
• Recyclable Volcanic blocks can be crushed and reused as aggregate at end of life.

Green Building Compatibility:
The JuffaliCore 2-20 contributes to green building certification points through:

• Energy performance – improved thermal insulation
• Material efficiency – optimized sandwich design
• Recycled content – natural aggregates
• Regional materials – locally manufactured
• Low-emitting materials – non-toxic composition
• Lightweight construction – reduced transportation emissions

• Premium Juffali aggregate selection and verification
• Proprietary JuffaliCore 2-20 sandwich technology
• Precision 2-core sandwich configuration
• 4 MPa compressive strength verification
• Rigorous quality control throughout production
• Tested for thermal, acoustic, and fire performance
• Consistent premium finish quality
• 14+ years of refined production expertise