Isotex HD III 44/23 Graphite Block - Technical Specifications | Elite Blocc
Premium ICF System

Isotex HD III 44/23
Graphite Elite Block

Wood Cement Formwork with BASF Neopor® BMBcert™ Graphite Insulation

Experience superior thermal performance with our flagship HD III 44/23 block system. Featuring advanced graphite-enhanced EPS insulation from BASF, this premium ICF block delivers exceptional energy efficiency, structural integrity, and fire safety for the most demanding construction projects.

0.11 U-Value (W/m²K)
REI 120 Fire Resistance
53 dB Sound Insulation
11.8 kg Block Weight
360° Product View

HD III 44/23 Block Showcase

Experience a complete 360° view of our premium Isotex HD III graphite block. See the interlocking design, BASF Neopor® insulation core, and wood cement construction.

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5 Second Preview
Wood Cement Shell
Graphite Core
Interlocking Design
50×25×44 cm

Block Dimensions & Configuration

Length
50 cm
Width
25 cm
Height
44 cm
Concrete Thickness
12 cm
Block Wall Thickness
4.5 cm
Graphite Insulation
23 cm
Thermal Performance

Exceptional Energy Efficiency

Industry-leading thermal performance achieved through 23cm of advanced BASF Neopor® graphite-enhanced insulation for maximum energy savings.

U-Value (2D Method)
0.11 W/m²K

Plastered wall with boundary layers

Periodic Thermal Transmittance
0.010 W/m²K

Superior thermal mass performance

Technical Data

Complete Performance Specifications

Comprehensive technical data validated through rigorous testing and certification to international standards.

Structural & Performance Data
Indicative Load Capacity (RcK 30 N/mm², h=3.00m)
28 t/m
Thermal Transmittance U (3D Method)
— *
Thermal Transmittance U (2D Method)
0.11 W/m²K
Periodic Thermal Transmittance YIE
0.010 W/m²K
Acoustic Insulation
53 dB
Concrete Requirement
104 l/m²
Block Weight per m²
95 kg/m²
Single Block Weight (without concrete)
11.8 kg
Filled Wall Weight (unplastered)
345 kg/m²
Fire Resistance Class
REI 120
Certifications

Tested & Certified Excellence

Rigorously tested and certified to meet the highest international standards for quality, performance, and safety.

Fire Safety

REI 120 fire resistance class certification for maximum occupant protection

Acoustic Testing

Tested per UNI EN ISO 140 and 717 standards, achieving 53dB sound insulation

CE Marking

Full CE Declaration of Performance (DOP) provided with all materials

BASF BMBcert™

Certified sustainable Neopor® graphite insulation from renewable biomass

Testing & Calculation Methodology
  • 3D Thermal Calculation: Performed according to UNI 10355 and UNI EN ISO 6946 standards using validated finite element analysis software per EN 10211/1, based on experimental thermal conductivity data.
  • 2D Indicative Calculation: Calculated per UNI-TS 13788, UNI 10355, and UNI 10351 standards for bidimensional analysis.
  • Acoustic Testing: Field tests conducted per UNI EN ISO 140 and UNI EN ISO 717 series standards. Laboratory tests performed per UNI EN ISO 140-3:2006, UNI EN ISO 717-1:2007, UNI EN ISO 10140-2:2010, and UNI EN ISO 717-1:2007.
  • Documentation: Test certificates available from Isotex or accessible at www.blocchiisotex.com
  • CE Declaration: Declaration of Performance (DOP) provided with each material purchase per EU regulations.

Ready to Build with Elite Performance?

Transform your next project with the HD III 44/23 Graphite block system. Contact our technical team for detailed specifications, project planning, and expert support.

Contact Technical Team Download Full Specs

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