UHPC FACADE MATERIAL PROPERTIES & BENEFITS
Material Properties Benefits & Performance for Architectural Facades & Rainscreen Systems
Ultra High Performance Concrete (UHPC) is an advanced cementitious material engineered to deliver exceptional strength, durability, and design flexibility. Unlike conventional concrete, UHPC combines a dense matrix, specialized materials, and fiber reinforcement to achieve performance characteristics that enable thinner profiles, complex geometries, crisp detailing, and long-term durability.
Used on projects ranging from custom rainscreen facades to monumental architectural features, UHPC allows architects to push their designs further while maintaining exceptional performance.
Why Architects Specify UHPC
Design Freedom
UHPC enables architectural expression that would be difficult or impossible to achieve with traditional concrete systems.
- Complex geometries and custom forms
- Deep texture and intricate detailing
- Thin profiles and lightweight systems
- Crisp edges and refined architectural features
Precision & Surface Quality
Ultra High Performance Concrete’s highly workable composition allows for exceptional consistency and precision.
- Consistent color and texture control
- Tight manufacturing tolerances
- Accurate reproduction of custom patterns
- Refined architectural finishes
Durability & Resistance
UHPC is engineered to perform in some of the most demanding environmental conditions.
- Resistance to abrasion, impact, and chemicals
- Excellent freeze-thaw performance
- High resistance to carbonation and chloride penetration
- Long-term weathering and environmental durability
UHPC Performance
UHPC combines strength and durability in a lightweight, high-performance facade system.
- High structural integrity with reduced material thickness
- Improved installation efficiency
- Reduced maintenance requirements
- Long lifecycle performance
Performance of UHPC in Architectural Facade Applications
The performance of Ultra High Performance Concrete facade panels continues to be validated through extensive testing and real-world application. Envel UHPC panels are engineered to meet the evolving demands of modern architecture, while balancing aesthetics, constructability, and long-term durability.
Benefits include:
- High structural integrity with reduced material thickness
- Improved installation efficiency in panelized and unitized wall systems
- Long-term durability in challenging climates
- Reduced maintenance requirements over the life of the building
- Exceptional dimensional stability and consistency
Our team remains aligned with the latest industry research, standards, and innovations to ensure Envel UHPC panel systems consistently meet or exceed performance expectations.
Independent Testing & Certification of Envel® UHPC Panels
Envel UHPC panels have undergone rigorous independent testing to verify their material properties, strength, durability, and long-term performance. Testing has been conducted in accordance with recognized ASTM standards by independent third-party laboratories, including CTLGroup and Intertek.
UHPC Material Properties & Testing Results
Standard | Description | Performance |
ASTM C39 | Standard Test Method for Compressive Strength of Cylindrical Concrete Specimens | 18,000 psi |
ASTM C496 | Standard Test Method for Compressive Strength of Cylindrical Concrete Specimens | 2,100 psi |
ASTM C293 | Standard Test Method for Flexural Strength of Concrete (3 point loading) | 1,700 psi |
ASTM C642 | Standard Test Method for Density, Absorption, and Voids in Hardened Concrete | 4.60% |
ASTM C418 | Standard Test Method for Abrasion Resistance of Concrete by Sandblasting | Abrasion Coeff. Loss .21 cm3/cm2 |
ASTM C531 | Standard Test Method for Linear Shrinkage and Coeff. Of Thermal Expansion | 5.71E-06 |
ASTM C666 | Standard Test Method for Resistance of Concrete to Rapid Freezing and Thawing (301 cycles) | Length Change% /.020 Mass Change% |
ASTM C1185 | Section 11 Water Tightness 1/2” Thick Panel | No Water Droplets Present |
ASTM E84 | Standard Test Method for Surface Burning | Flame Spread 0 Smoke Dev. 0 |
ASTM E488 | Freeze Thaw Conditioned Samples / Tensile & Shear Evaluation. 1/2” Thick Panel, 13mm Keil Anchor | Tensile 390# / Shear 800# |
ASTM E330 | Structural Wall Performance Test | Greater than 90 psf |
ASTM 501.6 | Seismic Performance Test | Pass |
ASTM E136 | Standard Method for Behavior of Materials in a Vertical Tube Furnace | Pass |
Envel Testing
and Standards
Standard | Description | Performance |
ASTM C39 | Standard Test Method for Compressive Strength of Cylindrical Concrete Specimens | 18,000 psi |
ASTM C496 | Standard Test Method for Compressive Strength of Cylindrical Concrete Specimens | 2,100 psi |
ASTM C293 | Standard Test Method for Flexural Strength of Concrete (3 point loading) | 1,700 psi |
ASTM C642 | Standard Test Method for Density, Absorption, and Voids in Hardened Concrete | 4.60% |
ASTM C418 | Standard Test Method for Abrasion Resistance of Concrete by Sandblasting | Abrasion Coeff. Loss .21 cm3/cm2 |
ASTM C531 | Standard Test Method for Linear Shrinkage and Coeff. Of Thermal Expansion | 5.71E-06 |
ASTM C666 | Standard Test Method for Resistance of Concrete to Rapid Freezing and Thawing (301 cycles) | Length Change% /.020 Mass Change% |
ASTM C1185 | Section 11 Water Tightness 1/2” Thick Panel | No Water Droplets Present |
ASTM E84 | Standard Test Method for Surface Burning | Flame Spread 0 Smoke Dev. 0 |
ASTM E488 | Freeze Thaw Conditioned Samples / Tensile & Shear Evaluation. 1/2” Thick Panel, 13mm Keil Anchor | Tensile 390# / Shear 800# |
ASTM E330 | Structural Wall Performance Test | Greater than 90 psf |
ASTM 501.6 | Seismic Performance Test | Pass |
ASTM E136 | Standard Method for Behavior of Materials in a Vertical Tube Furnace | Pass |
Standard | Description | Performance |
ASTM C39 | Standard Test Method for Compressive Strength of Cylindrical Concrete Specimens | 18,000 psi |
ASTM C496 | Standard Test Method for Compressive Strength of Cylindrical Concrete Specimens | 2,100 psi |
ASTM C293 | Standard Test Method for Flexural Strength of Concrete (3 point loading) | 1,700 psi |
ASTM C642 | Standard Test Method for Density, Absorption, and Voids in Hardened Concrete | 4.60% |
ASTM C418 | Standard Test Method for Abrasion Resistance of Concrete by Sandblasting | Abrasion Coeff. Loss .21 cm3/cm2 |
ASTM C531 | Standard Test Method for Linear Shrinkage and Coeff. Of Thermal Expansion | 5.71E-06 |
ASTM C666 | Standard Test Method for Resistance of Concrete to Rapid Freezing and Thawing (301 cycles) | Length Change% /.020 Mass Change% |
ASTM C1185 | Section 11 Water Tightness 1/2” Thick Panel | No Water Droplets Present |
ASTM E84 | Standard Test Method for Surface Burning | Flame Spread 0 Smoke Dev. 0 |
ASTM E488 | Freeze Thaw Conditioned Samples / Tensile & Shear Evaluation. 1/2” Thick Panel, 13mm Keil Anchor | Tensile 390# / Shear 800# |
ASTM E330 | Structural Wall Performance Test | Greater than 90 psf |
ASTM 501.6 | Seismic Performance Test | Pass |
ASTM E136 | Standard Method for Behavior of Materials in a Vertical Tube Furnace | Pass |
Envel Testing and Standards
Standard | Description | Performance |
ASTM C39 | Standard Test Method for Compressive Strength of Cylindrical Concrete Specimens | 18,000 psi |
ASTM C496 | Standard Test Method for Compressive Strength of Cylindrical Concrete Specimens | 2,100 psi |
ASTM C293 | Standard Test Method for Flexural Strength of Concrete (3 point loading) | 1,700 psi |
ASTM C642 | Standard Test Method for Density, Absorption, and Voids in Hardened Concrete | 4.60% |
ASTM C418 | Standard Test Method for Abrasion Resistance of Concrete by Sandblasting | Abrasion Coeff. Loss .21 cm3/cm2 |
ASTM C531 | Standard Test Method for Linear Shrinkage and Coeff. Of Thermal Expansion | 5.71E-06 |
ASTM C666 | Standard Test Method for Resistance of Concrete to Rapid Freezing and Thawing (301 cycles) | Length Change% /.020 Mass Change% |
ASTM C1185 | Section 11 Water Tightness 1/2” Thick Panel | No Water Droplets Present |
ASTM E84 | Standard Test Method for Surface Burning | Flame Spread 0 Smoke Dev. 0 |
ASTM E488 | Freeze Thaw Conditioned Samples / Tensile & Shear Evaluation. 1/2” Thick Panel, 13mm Keil Anchor | Tensile 390# / Shear 800# |
ASTM E330 | Structural Wall Performance Test | Greater than 90 psf |
ASTM 501.6 | Seismic Performance Test | Pass |
ASTM E136 | Standard Method for Behavior of Materials in a Vertical Tube Furnace | Pass |
Envel Testing and Standards
Standard | Description | Performance |
ASTM C39 | Standard Test Method for Compressive Strength of Cylindrical Concrete Specimens | 18,000 psi |
ASTM C496 | Standard Test Method for Compressive Strength of Cylindrical Concrete Specimens | 2,100 psi |
ASTM C293 | Standard Test Method for Flexural Strength of Concrete (3 point loading) | 1,700 psi |
ASTM C642 | Standard Test Method for Density, Absorption, and Voids in Hardened Concrete | 4.60% |
ASTM C418 | Standard Test Method for Abrasion Resistance of Concrete by Sandblasting | Abrasion Coeff. Loss .21 cm3/cm2 |
ASTM C531 | Standard Test Method for Linear Shrinkage and Coeff. Of Thermal Expansion | 5.71E-06 |
ASTM C666 | Standard Test Method for Resistance of Concrete to Rapid Freezing and Thawing (301 cycles) | Length Change% /.020 Mass Change% |
ASTM C1185 | Section 11 Water Tightness 1/2” Thick Panel | No Water Droplets Present |
ASTM E84 | Standard Test Method for Surface Burning | Flame Spread 0 Smoke Dev. 0 |
ASTM E488 | Freeze Thaw Conditioned Samples / Tensile & Shear Evaluation. 1/2” Thick Panel, 13mm Keil Anchor | Tensile 390# / Shear 800# |
ASTM E330 | Structural Wall Performance Test | Greater than 90 psf |
ASTM 501.6 | Seismic Performance Test | Pass |
ASTM E136 | Standard Method for Behavior of Materials in a Vertical Tube Furnace | Pass |
Standard | Description | Performance |
ASTM C39 | Standard Test Method for Compressive Strength of Cylindrical Concrete Specimens | 18,000 psi |
ASTM C496 | Standard Test Method for Compressive Strength of Cylindrical Concrete Specimens | 2,100 psi |
ASTM C293 | Standard Test Method for Flexural Strength of Concrete (3 point loading) | 1,700 psi |
ASTM C642 | Standard Test Method for Density, Absorption, and Voids in Hardened Concrete | 4.60% |
ASTM C418 | Standard Test Method for Abrasion Resistance of Concrete by Sandblasting | Abrasion Coeff. Loss .21 cm3/cm2 |
ASTM C531 | Standard Test Method for Linear Shrinkage and Coeff. Of Thermal Expansion | 5.71E-06 |
ASTM C666 | Standard Test Method for Resistance of Concrete to Rapid Freezing and Thawing (301 cycles) | Length Change% /.020 Mass Change% |
ASTM C1185 | Section 11 Water Tightness 1/2” Thick Panel | No Water Droplets Present |
ASTM E84 | Standard Test Method for Surface Burning | Flame Spread 0 Smoke Dev. 0 |
ASTM E488 | Freeze Thaw Conditioned Samples / Tensile & Shear Evaluation. 1/2” Thick Panel, 13mm Keil Anchor | Tensile 390# / Shear 800# |
ASTM E330 | Structural Wall Performance Test | Greater than 90 psf |
ASTM 501.6 | Seismic Performance Test | Pass |
ASTM E136 | Standard Method for Behavior of Materials in a Vertical Tube Furnace | Pass |
Envel UHPC Panel Testing
and Standards
