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Rockwool Sandwich Panels Factory & Exporter in the Greece Market

Engineering Non-Combustible (A1/A2-s1,d0), KENAK-Compliant, Seismically Resilient Mineral Wool Cladding & Complete Building Envelopes for Industrial, Maritime, and Commercial Infrastructure Across Greece.

Greek Engineering Technical Briefing

Meeting KENAK Thermal Directives & Hellenic Seismic Demands

Procuring industrial sandwich panels in Greece requires rigorous harmonization between Greek Energy Performance Regulations (KENAK), the Hellenic Fire Safety Code (Presidential Decree 41/2018), and high seismic lateral force mitigation (Eurocode 8).

KENAK Thermal Compliance (Zones A–D)

Under Greece's revised KENAK framework, industrial, commercial, and logistics buildings must satisfy strict overall thermal transmittance (U-value) thresholds ranging between 0.22 W/m²K and 0.35 W/m²K. Our high-density rockwool panels (100 kg/m³ to 120 kg/m³) achieve exceptional thermal conductivity ratings ($\lambda = 0.038\text{--}0.040\text{ W/mK}$), eliminating thermal bridging through tongue-and-groove micro-labyrinth joints and safeguarding facilities against intense Mediterranean summer solar gain.

Hellenic Fire Decree 41/2018 (EI 30 - EI 240)

Greek Fire Protection Regulations strictly mandate non-combustible building materials for logistics hubs, manufacturing plants, pharmaceutical facilities, and crowded commercial hubs. Our rockwool panels are rated Euroclass A1 and A2-s1,d0 in accordance with EN 13501-1. They generate zero flaming droplets, emit negligible smoke, and withstand direct temperatures exceeding 1,000°C, providing structural partition fire resistance from EI 60 up to EI 240 minutes.

Eurocode 8: Hellenic Seismic Mitigation

Situated in the most seismically active zone in Europe, building structures across Central Greece, Attica, the Peloponnese, and the Ionian Islands must minimize structural dead loads to reduce destructive inertial acceleration during ground motion. Our composite rockwool panels combine lightweight structural rigidity with slotted fasteners, accommodating dynamic inter-story drift and seismic shear without envelope delamination.

EI 240

Fire Integrity / Insulation

120 kg/m³

Core Basalt Wool Density

35 dB

Acoustic Reduction ($R_w$)

C5-M

Marine Saline Coating Grade

Engineering Precision

Rockwool Core Technical Specifications & Performance Matrix

Certified according to EN 14509 standards, our mineral rockwool insulated panels are calibrated for load-bearing performance, thermal optimization, and acoustic isolation across Greek climatic zones.

Panel Nominal Thickness Core Density U-Value (W/m²K) Fire Classification (EN 13501-1) Acoustic Insulation ($R_w$) Max Span (Wall, $L/\Delta 200$) Recommended Greek Application
50 mm 100 - 110 kg/m³ 0.72 W/m²K EI 30 (A2-s1,d0) 29 dB 3.80 m Internal Industrial Partitions, Workshop Dividers
80 mm 100 - 120 kg/m³ 0.46 W/m²K EI 60 (A1 / A2-s1,d0) 31 dB 4.90 m KENAK Zone A External Cladding, Cleanrooms
100 mm 100 - 120 kg/m³ 0.37 W/m²K EI 120 (A1 Non-Combustible) 33 dB 5.75 m Logistics Hubs in Aspropyrgos, Sindos Industrial Area
120 mm 110 - 120 kg/m³ 0.31 W/m²K EI 180 (A1 Non-Combustible) 34 dB 6.40 m Heavy Chemical Storage, Northern Greece (Zone C/D)
150 mm 120 kg/m³ 0.25 W/m²K EI 240 (A1 Non-Combustible) 35 dB 7.20 m High-Risk Fire Barrier Envelopes, Server Centers
Regional Application Framework

Localized Deployment Scenarios Across Greece

From the industrial logistics corridors of Attica to maritime resort islands and agricultural processing plants in Thessaly, our building systems are designed to withstand specific microclimatic challenges.

Supply Chain & Mega Logistics: Aspropyrgos & Sindos

The strategic expansion of Greece's logistics spine along the Piraeus-Thessaloniki axis demands massive, secure warehouse space. Logistics developers in the Thriasio Pedio (Aspropyrgos, Elefsina, Mandra) and the Sindos Industrial Park in Thessaloniki require rapid construction of high-bay distribution hubs. Our continuous-line rockwool panels span up to 7 meters between purlins, minimizing secondary steel weight while providing non-combustible EI 120 boundary ratings required by institutional real estate funds.

Agri-Food, Dairy & Olive Processing: Thessaly & Peloponnese

Greece’s agricultural export backbone—feta production in Larissa, olive oil mills in Kalamata, and fruit canning in Central Macedonia—operates under intense HACCP and hygiene inspections. Our sandwich panels feature specialized food-safe plastisol coatings (PVC/PVDF 120µm) combined with anti-microbial treatments. The non-absorbent basalt wool core prevents moisture entrapment, mold growth, and pest penetration, ensuring temperature-regulated cleanroom processing environments.

Maritime & Coastal Corrosive Zones: Piraeus & Aegean Islands

Facilities positioned near the Aegean or Ionian coastlines confront harsh marine atmospheric salinity (ISO 12944 class C4/C5-M). Conventional zinc coatings rapidly deteriorate under cyclic salt fog, humidity, and intense UV exposure. PTI manufactures sandwich panels with pre-painted hot-dip galvanized steel (Z275/Zn-Al alloy) coated with 50µm Polyurethane-Polyamide (PUR-PA) or PVDF 70/30 resin coatings, providing 25+ years of verified anti-corrosive facade resilience.

Strategic Outlook

Emerging Trends in Greek Prefabricated Construction

The modernization of Greece’s building sector is accelerating through national decarbonization initiatives, institutional green building standards, and modular infrastructure demands.

LEED & BREEAM Certified Developments

Institutional Greek development companies like Dimand, Prodea, and Lamda Development mandate LEED Gold or Platinum certification for flagship projects, including the landmark Ellinikon urban redevelopment. Our rockwool panels contain up to 40% recycled basalt content, emit zero VOCs or chlorofluorocarbons, and offer full cradle-to-gate Environmental Product Declarations (EPD) to maximize green building credits.

Fast-Track Modular Logistics Expansion

High sea shipping volumes through COSCO’s Piraeus Container Terminal have created severe shortages of modern class-A dry and ambient warehouse stock. Prefabricated portal steel frames paired with interlocking rockwool cladding reduce on-site installation schedules by up to 60% compared to traditional reinforced concrete infill, accelerating capital payback for Greek 3PL operators.

Island Hospitality & Acoustic Isolation

Luxury resort development across Crete, Mykonos, Santorini, and Rhodes faces strict municipal fire safety mandates and high seasonal energy costs. The GloStar acoustic rockwool panel system delivers sound absorption coefficients ($\alpha_w = 0.90$) and weighted sound reduction ($R_w \ge 35\text{ dB}$), isolating heavy HVAC mechanical equipment rooms and event pavilions in luxury leisure environments.

Factory Direct & Technical Authority

Why Greek Engineers & Importers Rely on Paneltech International

Operating our continuous production facility in Barka since 2009, Paneltech International LLC provides direct industrial manufacturing accountability from raw coil processing to custom port delivery in Greece.

Advanced Continuous Automated Line

Our Barka industrial factory operates high-speed, continuous double-belt lamination lines. Rockwool slabs are automatically sliced, rotated 90 degrees for perpendicular fiber orientation, and bonded with high-grade polyurethane adhesive, achieving superior delamination shear strength ($\ge 0.12\text{ MPa}$) exceeding standard discontinuous manufacturing methods.

Full Building Envelope Ecosystem

Rather than managing split procurements, contractors source the complete envelope from one accountable manufacturer: insulated sandwich panels, cold-formed structural Z & C purlins, metal decking sheets, industrial motorized roller shutters, matching flashing profiles, and weather-seal fixings, ensuring complete color consistency and zero joint mismatch.

Direct Maritime Transit: Suez to Piraeus & Thessaloniki

Situated strategically on the Arabian Sea with direct deep-water port access at Sohar and Salalah, our logistics division coordinates containerized (40ft HQ) and breakbulk break-bulk shipments directly through the Suez Canal to the Port of Piraeus (PIR) and Port of Thessaloniki (SKG). Transit time typically ranges between 10 to 14 days, minimizing project site disruption.

Certified European Quality (EN 14509 / CE)

Every shipment is accompanied by complete mill test certificates (MTC), CE marking, tensile testing documentation, and non-combustibility certification. Greek structural engineers and project consultants receive verifiable submittal packages for expedited building control approvals.

Precision Pre-Engineered Custom Lengths

To eliminate expensive construction waste on Greek job sites, our panels are factory-sheared to precise cut-to-length project requirements (up to 13.6 meters for standard high-cube shipping containers or specialized open-top flat racks), featuring clean-cut lap joints and pre-drilled joint options.

Dedicated BIM & Structural Technical Support

Our in-house technical department provides static load calculations, wind uplift simulation for Aegean island storm zones, thermal bridge analysis, and shop drawing details for flashings, parapets, and window openings before material processing begins.

Procurement & Engineering FAQ

Frequently Asked Questions by Greek Project Stakeholders

Essential guidance covering regulatory compliance, transport logistics, seismic considerations, and technical customization for contractors in Greece.

Q1: Do your rockwool panels carry the CE Mark required for Greek building approvals?

Yes. All our insulated metal panels are fully tested and certified in compliance with EN 14509:2013 (Self-supporting double skin metal faced insulating panels). We supply complete Declaration of Performance (DoP) documentation, CE marking, and independent fire classification reports recognized by Hellenic Building Authorities and regional Fire Departments.

Q2: How do your panels meet the KENAK energy efficiency parameters?

Greece’s KENAK divides the country into four climatic zones (A, B, C, D). For Northern regions (Zone D like Florina or Kozani) and Central Greece (Zone B/C), external walls typically require U-values around 0.30–0.35 W/m²K. Our 100mm to 120mm rockwool panels easily deliver U-values of 0.37 down to 0.31 W/m²K, while our 150mm configuration hits 0.25 W/m²K, meeting or exceeding national efficiency requirements.

Q3: What is the lead time and shipping process to Piraeus or Thessaloniki?

Standard fabrication takes 10 to 18 days depending on the project volume and customized coil specifications. Marine transit from our direct port connections to the Port of Piraeus or Port of Thessaloniki generally takes 10 to 14 days via the Red Sea/Suez Canal route. Panels are packaged in seaworthy, UV-stabilized bundles with protective plastic film and reinforced corner guards.

Q4: How does mineral wool cladding perform in Greek seismic regions?

Compared to heavy precast concrete facade panels, our rockwool sandwich panels weigh only 18 to 28 kg/m² depending on core density and gauge thickness. This significant weight reduction lowers the fundamental vibration period and seismic shear forces applied to the portal steel frame under Eurocode 8 calculations. Specially engineered slotted connections allow cyclic inter-story drift without envelope rupture.

Q5: What steel coating is recommended for Greek maritime coastal applications?

For installations within 3 km of the sea (Piraeus, Patras, Heraklion, Volos, Rhodes), we recommend our C4/C5-M corrosion-resistant steel skins. These incorporate high zinc galvanization (Z275) with a 50µm Polyurethane-Polyamide (PUR-PA) or PVDF 70/30 finish, protecting against high saline concentration, chalking, and intense Mediterranean UV exposure.

Q6: Can PTI supply matching flashings, Z/C purlins, and accessories together?

Yes. As a comprehensive building envelope manufacturer, we supply cold-formed galvanized Z and C purlins (up to 3.0mm thickness), custom-folded architectural flashings manufactured from identical pre-painted steel coils, composite metal floor decking, translucent polycarbonate skylights, and self-drilling EPDM-bonded fasteners, ensuring absolute site compatibility.

Start Your Greek Project Specification Today

Contact our structural cladding engineering desk for complete technical dossiers, EN 14509 compliance reports, static span charts, and competitive CIF container pricing to Piraeus and Thessaloniki.

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