180,000m²
Integrated Factory Footprint
25+
Years Architectural Fenestration
600+
Direct Specialist Technicians
100+
Global Patents & Testing Reports
Catalog Showcase
High-Performance Architectural Openings for Barcelona Projects
Direct factory manufacturing for commercial storefronts, coastal luxury villas in Sitges and Castelldefels, and urban acoustic renovations across Barcelona.
Technical Insight
Engineering Heavy Aluminium Doors for the Barcelona Metropolitan Market
Balancing Mediterranean microclimatic exposure, UNESCO historic district acoustic dampening, and the stringent energy efficiency directives of the Spanish Código Técnico de la Edificación (CTE).
The architecture of the Barcelona metropolitan area presents a challenging testbed for exterior building envelopes. Spanning from the ultra-dense urban grid of L'Eixample and the historic alleys of the Ciutat Vella to the sun-drenched coastal villas of Gavà Mar, Sitges, and Maresme, heavy aluminium door assemblies must meet multifaceted performance criteria. They are no longer simple space dividers; they act as engineered environmental control systems.
As a specialist factory supplying global architects, developers, and trade contractors, our heavy aluminium systems solve two fundamental structural realities: the continuous saline atmospheric corrosion off the Balearic Sea and the stringent demands of Spain's Código Técnico de la Edificación (CTE DB-HE) regarding thermal envelope continuity and airtightness.
Coastal Marine Resilience
Barcelona’s coastal humidity and high airborne chloride levels cause severe pit corrosion and galvanic deterioration in substandard architectural metal. Our heavy entry and sliding systems utilise 6063-T6 virgin extruded alloys finished with Qualicoat Seaside Class 2 powder coatings or 25-micron anodic layers, providing verified chemical stability against maritime sea salt.
CTE Thermal Break Performance
With Mediterranean summers driving intense solar radiation, uninsulated frames cause extreme heat transfer into conditioned interiors. We incorporate multi-chambered polyamide thermal breaks (PA66 GF25) up to 34mm in depth, ensuring overall thermal transmittance values as low as Uw ≤ 1.1 W/(m²·K), matching passive house renovation ideals.
Urban Acoustic Attenuation
Inner Barcelona experiences continuous street traffic, light rail movement, and vibrant pedestrian density. Utilizing triple-glazed configurations with asymmetric acoustic PVB interlayers (e.g., 6+0.76acoustic+6/16Ar/6 low-E), our heavy entrance and storefront doors achieve noise dampening ratings surpassing Rw ≥ 42 dB.
Architectural Specification Matrix: Mediterranean Performance Comparison
Direct sourcing from a manufacturer requires clear, audited engineering data. The table below outlines how our heavy-duty architectural profiles perform against typical market alternatives across key engineering metrics demanded by Catalonian specifiers:
| Performance Characteristic | Standard Local Residential Profiles | Commercial Light Storefront Systems | DERCHI Heavy Architectural Series |
|---|---|---|---|
| Aluminium Alloy & Temper | Recycled Blend 6063-T5 | Standard Primary 6063-T5 | Virgin Extrusion 6063-T6 / Structural 6061-T6 |
| Structural Profile Wall Thickness | 1.2 mm – 1.4 mm | 1.6 mm – 1.8 mm | 2.0 mm – 3.0 mm Reinforced Core |
| Thermal Transmittance (Uf) | 3.2 – 4.8 W/(m²·K) | 2.8 – 3.6 W/(m²·K) | 1.2 – 1.6 W/(m²·K) (PA66 Insulated) |
| Air Permeability (EN 12207) | Class 2 | Class 3 | Class 4 (Maximum Airtight Compression) |
| Watertightness Under Wind (EN 12208) | Class 4A (150 Pa) | Class 6A (250 Pa) | Class E900 (900 Pa Severe Marine Storm) |
| Maximum Sash Weight Capacity | Up to 140 kg | Up to 220 kg | 400 kg – 800 kg (Heavy Pivot & Lift-Slide) |
| Coastal Corrosion Warranty | Standard 1-year powder coat | Qualicoat Class 1 (3-5 years) | Qualicoat Seaside Class 2 / Anodic 25μm (10+ Yrs) |
Localized Application Scenarios Across Greater Barcelona
A true commercial understanding of the Barcelona fenestration landscape demands hyper-localized engineering applications. Our production base manufactures doors tailored directly to four distinct geographic segments across the province:
1. Diagonal Mar & Coastal Luxury Villas (Sitges, Castelldefels)
Residential designs in these affluent enclaves demand ceiling-height, panoramic openings that erase the threshold between living spaces and Mediterranean terraces. Our heavy-duty lift-and-slide doors and oversized architectural pivot entrances (up to 4 meters high) incorporate hidden floor-track sills and multi-locking hardware capable of resisting marine gusts without trace whistling or water infiltration.
2. Commercial Flagships (Passeig de Gràcia, Portal de l'Àngel)
Retail storefronts in high-density shopping districts require seamless floor-to-ceiling glass integration, ultra-narrow sightlines, and impact-resistant tempered safety assemblies. Our commercial sliding storefront configurations feature heavy-duty steel-reinforced carriages, overhead concealed transom closers, and high-duty cycle pivot hinges designed for continuous footfall exceeding 5,000 cycles daily.
3. Residential & Heritage Renovations (Eixample & Sarrià-Sant Gervasi)
Retrofitting properties within historical building zones mandates compliance with strict municipal facade appearance guidelines. We provide customized extruded brickmoulds, interior fluted glass details, and bespoke architectural powder-coated finishes (including anodized bronze, micro-textured anthracite, and realistic sublimated wood grains) that respect traditional aesthetics while integrating modern thermal-break cores.
Future Trends in the Catalonian Fenestration Sector
Looking toward 2026–2030, the architectural door and facade market in Catalonia is rapidly shifting toward three clear imperatives:
1. Carbon-Neutral Envelope Demands: Spanish building rehabilitation subsidies under European Green Deal directives require low-carbon aluminium extrusions with verified Environmental Product Declarations (EPD). Sourcing primary aluminium processed with green hydroelectric smelting significantly lowers embedded carbon metrics for developer LEED/BREEAM scoring.
2. Floor-to-Ceiling Structural Glass Integration: Bulky multi-profile frames are being replaced by ultra-slim, hidden outer frames embedded entirely within the plaster and flooring. Heavy pivot doors weighing in excess of 500 kilograms operate effortlessly on hydraulic bottom-pivot points embedded flush into Catalan tiled or polished concrete flooring.
3. Advanced Smart Building Integration: In upscale private residences and boutique hospitality across Barcelona, keyless biological access control (integrated biometric 3D face scan, hidden fingerprint scanners on the door pull, and motorized multi-point locks connected via KNX or Matter protocols) has shifted from an optional extra to a default specification.
Direct Manufacturing Authority
Enterprise Strengths Backed by Audited Capacity
Operating a state-of-the-art 180,000 m² industrial production base with over 600 skilled technicians, delivering fully certified, export-packaged fenestration to top global markets.
180,000 m² Production Base
Integrated extrusion, CNC machining, thermal crimping, and automated structural bonding under one consolidated manufacturing roof in Foshan.
Complete Architectural Line
Consolidate heavy pivot doors, commercial storefronts, slimline sliding units, and AS2047-certified hurricane-grade windows in a single container.
Internationally Audited Testing
Certified compliance under CE, ISO 9001, AS 2047, and UL fire standards, accompanied by test certificates ready for local building inspectors.
BIM & CAD Engineering Shop Drawings
Our dedicated engineering team provides millimetre-precise CAD shop drawings and structural wind load calculations for your project schedule.
Procurement Guidance
Frequently Asked Questions: Sourcing & Compliance in Spain
Essential guidance for Spanish general contractors, real estate developers, and international procurement managers importing heavy aluminium door systems.
Do your aluminium door profiles comply with Spanish CTE DB-HE standards?
Yes. Our heavy-duty architectural profiles can be specified with multi-cavity polyamide insulating strips (PA66 GF25) up to 34mm and warm-edge glass spacers. This enables thermal transmittance configurations yielding Uw ≤ 1.2 W/(m²·K), which comfortably satisfies the strictest thermal insulation requirements of CTE Documento Básico HE (Ahorro de Energía) across Climate Zones B3, C2, and D3 applicable to Catalonia.
How do you protect doors against severe marine corrosion in coastal Catalonia?
For coastal deployments such as Sitges, Maresme, and the Port of Barcelona, we apply pre-anodization treatments followed by Qualicoat Seaside Class 2 certified exterior architectural powder coatings, or 25-micron continuous architectural anodizing. All exposed screws, fasteners, and pivot components are strictly fabricated from AISI 316 marine-grade stainless steel to prevent galvanic and pitting deterioration.
What are the lead times and shipping routes to the Port of Barcelona?
Fabrication of fully bespoke heavy aluminium door units typically requires 25 to 35 calendar days following client sign-off on detailed CAD engineering shop drawings. Direct container vessel transit from our export hubs in Foshan/Guangzhou/Shenzhen to the Port of Barcelona (Puerto de Barcelona) averages 24 to 30 days. We provide comprehensive FOB, CIF, or door-to-door DDP logistics arrangements.
How do you package oversized heavy pivot and sliding doors to prevent transit damage?
Every door sash and frame undergoes multi-stage protection: PE protective film on aluminium faces, thick protective corner guards, impact-resistant foam wraps, and full encasement in reinforced fumigated solid-plywood export crates. Oversized glass and framework can be shipped knocked-down (KD) with matched structural corner joints for straightforward on-site installation, or delivered pre-glazed with certified lifting lugs.
Can you support custom hardware integration (CISA, dormakaba, ASSA ABLOY)?
Yes. Our heavy-duty extrusions feature standard European hardware grooves (Eurogroove standard) and customizable CNC mortising. We regularly configure doors to accommodate European multi-point security lockcases, Italian concealed pivot systems, German motorized multi-bolt actuators, or third-party smart access controls supplied by your preferred European hardware distributor.
What is the minimum order quantity (MOQ) for custom project schedules?
Because we operate dedicated custom lines alongside our large-scale production, our MOQ is flexible. We cater to bespoke high-end private villas requiring as few as 1 to 2 oversized signature pivot doors, while also having the automated extrusion and fabrication capacity to supply multi-unit residential schemes or commercial hotel complexes requiring hundreds of matching openings.
Ready to Engineer Your Architectural Entrances for Barcelona?
Connect directly with our senior fenestration engineering department. Receive customized CAD profiles, full CTE thermal compliance estimates, and factory-direct pricing for your next residential or commercial project.