43 %
GWR NANO INSULATION® versus an uninsulated reference house.
Annual energy saving
Thermal insulation, applied like paint
Liquid nanotechnology thermal insulation coating.
GWR NANO INSULATION® is a liquid, site-tintable thermal insulation coating. Its thermal performance is delivered by vacuum-filled glass-ceramic microspheres uniformly dispersed within a polymer binder.
Climate imperative
Embodied carbon is an increasingly decisive factor in the built environment's decarbonisation pathway.
37% Share of global energy-related CO₂ from buildings (IEA, 2023)
75% Share of EU buildings rated energy-inefficient (European Commission)
< 1% Annual energy renovation rate across the EU building stock
Buildings are responsible for approximately 37% of global energy-related CO₂ emissions - 28% operational, 11% embodied (IEA, 2023). Embodied carbon covers the total CO₂-equivalent released across the manufacture, transport, installation, maintenance and end-of-life disposal of building materials - a category that operational energy efficiency programmes do not address. As building energy standards tighten and operational carbon falls, the embodied share rises proportionally: for new buildings, half of future CO₂ emissions will come from embodied carbon, half from operations (Dodge World Green Building Trends Report, 2021).
The regulatory framework has formalised this relationship. The EU Taxonomy and the Magyar Nemzeti Bank (MNB) green financing programme treat Life Cycle Assessment (LCA) and Global Warming Potential (GWP) calculation as mandatory requirements; Environmental Product Declaration (EPD)-based embodied carbon data is increasingly a condition of project financing. Meanwhile, the built environment's most pressing embodied carbon challenge lies in the existing stock: two-thirds of the 2050 European building stock has already been built, and the annual energy renovation rate remains below 1% of the stock. The EU Renovation Wave programme aims to double that rate - but a technological and economic gap persists between policy ambition and deliverable retrofit solutions.
GWR NANO INSULATION® is designed for the retrofit constraints of the existing building stock. Its liquid application, 1 mm working thickness and no-scaffold delivery involve significantly less material input than conventional EPS-based insulation systems, and allow a standard residential building to be fully coated in 3 working days. The TÜV SÜD-verified 43% annual energy saving reduces the building's operational carbon - reproducible performance verified by accredited laboratory data.
Applied like paint. Certified thermal performance.
- 01
Cost-effective solution
Verified thermal performance improvement without structural modification.
- 02
No scaffolding required
Airless spray technology eliminates the need for scaffolding or specialist access equipment.
- 03
Even a 3-person crew is sufficient
Fast application with a small team; well-suited to commercial projects and retrofits of any scale.
- 04
Fast application
A standard family home can be fully coated inside and out within 3 working days.
- 05
Minimal waste generated
Liquid application produces virtually no offcuts, packaging waste or construction debris.
Verified measurement data
Energy savings measured under TÜV SÜD test house conditions.
32 %
GWR NANO INSULATION® versus a 10 cm EPS-insulated reference house.
Summer saving
9.5 %
GWR NANO INSULATION® versus a 10 cm EPS-insulated reference house.
Winter saving
Product properties
A single coating, specified everywhere it has to perform.
GWR NANO INSULATION® bonds reliably across substrates, maintains stable thermomechanical properties through extreme temperatures, and remains breathable, washable and tintable for life.
Excellent adhesion
Bonds to metal, concrete, brick, wood, plastic, glass and plasterboard without a primer coat - broad substrate compatibility across complex building assemblies.
Flexible and durable
The coating flexibly follows substrate thermal and mechanical deformation - thermal expansion and structural movement do not cause cracking or delamination.
Thermal-bridge-free
Applied to window and door frame junctions, it reduces linear thermal bridge effect, equalises internal surface temperature and mitigates condensation risk.
Vapour-permeable
Maintains substrate vapour diffusion capacity across the entire treated surface - preventing surface condensation, moisture accumulation and microbial growth.
Weatherproof and washable
Resistant to UV radiation, precipitation and extreme thermal cycling - TÜV SÜD weather-simulation testing confirms durable performance across the full operating range.
Anti-corrosion protection
The coating seals metal surfaces from corrosive media - a two-year immersion field study confirmed complete corrosion protection while uncoated references corroded severely.
Antibacterial activity
Antibacterial activity on treated surfaces is verified by accredited laboratory testing - surface colonisation by pathogenic bacteria is substantially inhibited.
Fire-resistant
Accredited fire testing verifies limited flame spread and minimal smoke development - certified under both European and North American fire safety classification systems.
Tintable on site
Compatible with acrylic pigment systems - the target colour blends directly into the coating mix. No separate decorative layer required, reducing application phases.
How GWR NANO INSULATION® works
Three heat transfer mechanisms countered in one layer.
GWR NANO INSULATION® suppresses conductive, convective and radiative heat transfer simultaneously - through a combined microsphere system and a polymer binder.
- 01 Conduction barrier
Vacuum-filled glass-ceramic and gas-filled polymer microspheres jointly reduce the thermal conductivity of the solid phase.
- 02 Convection barrier
The closed shell structure of the microspheres and polymer binder prevents convective air movement within the coating.
- 03 Radiation barrier
The glass-ceramic and high-refractive-index titanium dioxide content reflects and scatters infrared radiation, reducing radiative heat flux.
Technical specification
Key technical data.
A complete Declaration of Performance and the underlying test reports are available on request.
- Density (liquid state)
- 0.533-0.546 g/cm³
- DIN EN ISO 2811
- Viscosity
- 1,225 mPa·s
- DIN EN ISO 2884-2
- Thermal resistance (1 mm layer)
- R = 4.545 m²K/W
- TÜV SÜD R 04152
- Thermal conductivity
- λ = 0.00022 W/mK
- TÜV SÜD MUC-KSP-A-1037
- Service temperature range
- −60 °C ... +260 °C
- Manufacturer's data
- Water vapour transmission rate (WVTR)
- 40 mg/m²/day
- DIN EN ISO 62
- Sd - equivalent air layer thickness
- 0.40 m (V2 - medium)
- DIN EN ISO 7783 / DIN EN 1062-1 - TÜV SÜD
- Adhesion to substrate
- 0.2-0.8 MPa
- DIN EN ISO 4624
- Young's modulus
- 17 MPa
- DIN EN ISO 527
- Tensile strength
- 0.135 MPa
- DIN EN ISO 527
- Shrinkage
- 7.4%
- DIN EN ISO 527
- Impact resistance
- 2 Nm
- DIN EN ISO 6272
- Reaction to fire classification (ÉMI, Hungary)
- D-s2, d0
- MSZ EN 13501-1:2019 · MSZ EN ISO 11925-2:2020 · MSZ EN 13823:2020 · BS EN 13238 · ÉMI O-34/2021
- Flame spread class (ASTM E84)
- Class A - FSI: 20 · SDI: 10
- ASTM E84-23d · Efectis FTST24823
- Hygiene, health & environmental safety
- Non-hazardous
- TÜV SÜD R 04152
- Safety in use
- Does not harm health
- TÜV SÜD R 04152
- Antibacterial activity - E. coli
- > 5.1-log reduction
- ISO 22196 · Fraunhofer IPA WI 2404-1514
- Antibacterial activity - S. aureus
- < 1-log reduction
- ISO 22196 · Fraunhofer IPA WI 2404-1514
- Certificates held
- TÜV SÜD; ÉMI O-34/2021; ISO 9001:2015 (MQ21-040H)
- Manufacturer's declaration
Property Value Basis
Physical properties
Thermal properties
Hygrothermal properties
Mechanical properties
Fire performance
Health & safety
Certifications
Independent verification 
Accredited thermal testing, verified performance data.
The thermal performance data of GWR NANO INSULATION® has been measured and verified by independent accredited laboratories. Product testing and certification were conducted by TÜV SÜD within the EN ISO/IEC 17025 accreditation framework.
EN ISO/IEC 17025 accreditation TÜV SÜD's Munich test laboratory holds EN ISO/IEC 17025 accreditation - thermal performance measurements are conducted to internationally recognised reference standards and are mutually recognised under the ILAC framework.
Reproducible test methodology Measurements are carried out using standardised reference materials under controlled conditions, ensuring direct comparability with data from other CE-marked insulation products.
Performance-data-based certification TÜV SÜD certification accepts only verified measurement data - test report R 04152 provides the verified thermal performance data required for the manufacturer's Declaration of Performance (DoP) under Regulation (EU) No 305/2011 (CPR).
TÜV SÜD
EN ISO/IEC 17025 accredited test-house certificate - independently verified performance data forming the basis for the Declaration of Performance.
NATO NSN
NSN 8030-51-000-9542 - GWR NANO INSULATION® registered in the NATO member states product catalogue as a nano-technological thermal insulator (2021). NATO Stock Number for allied procurement systems.
ISO 9001
Quality-management system covering product development, manufacturing and supply chain. Traceable and auditable quality assurance.
ISO 14001
Environmental-management system governing material use, waste handling and emissions control throughout the manufacturing process.