Explore our certified structural entrance doors, impact-resistant casements, and precision-engineered architectural fenestration systems manufactured for international compliance.
superhouse Best Price Europe Security Aluminium Entry Door With Aluminium Strip Main Entrance Door
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NOA Certified Miami Hurricane Proof Aluminum Casement Door Double Glazed Windproof Waterproof Interior Living Room Swing Door
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Florida Certified Hurricane Proof Awning Window Black Frame Laminated Insulated Glass Bullet Proof for Kitchen Bathroom
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10 Years Warranty American Style NOA Hurricane Impact Casement Window with Blinds Aluminum Window for Houses
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European Good Quality Rainproof Double Tempered Glass Tilt and Turn Windows Inward Aluminum Tilt and Turn Window
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Florida Certified Modern Style Hurricane Resistant Garage Door Large Panel Double Laminated Glass Windproof Safe for Residential
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Lift Sliding Heavy Duty Big Vision Patio Door Thermal Break Aluminum Customized Triple Glass Sliding Door
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Top Manufacturers Wholesale Soundproof Patio Residential Aluminum Double Glazed Sliding Glass Doors With High Quality
View Specs & Technical SheetLeading the global transition toward high-efficiency, structural aluminum fenestration and entrance systems through robust industrial integration and state-of-the-art engineering.
Established in 2014, Grandex Door Solutions Co., Ltd. operates under strict ISO 9001 quality management protocols. Our dedicated 45-member Quality Assurance (QA) team manages comprehensive raw material incoming inspection, in-process dimension calibration, and third-party laboratory verification to guarantee zero-defect delivery across North American and European markets.
Powered by an active R&D division comprising 85 specialized fenestration engineers, Grandex introduced 120 new door and window designs last year alone. We hold structural patents for ultra-narrow frames, hidden drainage systems, and thermal break structural integrity, providing complete custom OEM/ODM solutions tailored to modern architectural blueprints.
With 8 years of dedicated export experience, our products serve top building material distributors, real estate developers, and commercial main contractors worldwide. Grounded in high-efficiency supply chain integration, Grandex seamlessly coordinates containerized freight, regional compliance certifications, and localized technical documentation for seamless project deployment.
Our 35,000 m² modern manufacturing hub utilizes intelligent automated machinery, high-precision CNC multi-axis milling, and computerized sorting systems to guarantee micrometer-level structural tolerances.
Raw Materials Inspection
Precision Sawing
Profile Milling
CNC Profile Milling
CNC High-Speed Drilling
Multi-Axis CNC Center
Automated Profile Cutting
Intelligent Component Sorting
QA Checking & Packing
Heavy-Duty Sawing Machine
High-Precision Milling Machine
Automated CNC Milling Machine
Multi-Spindle CNC Drilling
Advanced CNC Machining Center
Double Head Precision Mitre Saw
Automated Sorting Logistics Line
In-Process Quality Control (IPQC)
Structural Performance Tester
Analyzing thermal break innovations, structural alloy matrix enhancements, bulletproof glazing interlayers, and IoT smart access integrations defining modern entrance architecture.
Modern entry doors utilize multi-cavity PA66 GF25 (25% glass fiber reinforced polyamide) thermal break strips. This structural bridge isolates external heat and cold, preventing thermal conduction. Coupled with polyurethane foam injection, U-factors can drop below 0.18 BTU/h·ft²·°F, achieving Passive House alignment across extreme climate zones.
Integrating SGP (SentryGlas® Plus) ionoplast interlayers within multi-pane insulated glass units allows entry doors to withstand extreme design pressure (DP70 to DP100) and hurricane projectile impacts (ASTM E1996 Large Missile Level D). Structural silicone structural glazing (SSG) ensures pane bonding under hurricane wind force.
Future-ready entrance doors incorporate concealed multi-point motorized locking gear compatible with home automation protocols (Zigbee, Z-Wave, Matter). Integrated 3D facial recognition, optical fingerprint scanning, and keypad entry systems maintain RC3/RC4 European anti-burglary standards without compromising flush minimal aesthetics.
Aluminum entry systems exposed to coastal salt spray, severe UV radiation, and atmospheric pollutants require industrial-grade surface protection. Grandex utilizes AkzoNobel and PPG fluorocarbon (PVDF) electrostatic powder coatings certified to AAMA 2605 specifications. This multi-coat system provides over 10 years of color retention and chalk resistance, withstanding salt spray tests exceeding 4,000 hours (ASTM B117).
For modern minimalist designs, high-micron anodizing finishes (25 microns+) create deep metallic oxide layers that resist abrasion, scratching, and industrial airborne acids. Coupled with micro-groove CNC milling, entry doors can mimic architectural timber textures, brushed bronze, or ultra-matte charcoal finishes while retaining the permanent structural integrity of 6063-T6 aluminum alloys.
Tailored structural fenestration systems designed to fulfill structural, thermal, and security requirements across diverse global building environments.
Primary Deployment: Coastal Florida, Caribbean, Gulf Coast commercial & residential towers.
Engineered to meet Miami-Dade NOA and Florida Building Code (FBC) regulations. Equipped with heavy-wall extruded aluminum profiles, stainless steel multi-point latches, and laminated impact-resistant glass. Provides complete defense against atmospheric pressure fluctuations, wind-driven rain, and debris bombardment during Category 5 hurricanes.
Primary Deployment: Modern luxury villas, boutique hotels, executive headquarters.
Over-sized pivot entry door systems featuring concealed heavy-duty hydraulic floor pivots capable of supporting panels up to 500 kg (1,100 lbs). Seamless flush profiles, integrated LED light channels, smart biometric keypads, and sidelight transom pairings create bold grand entrances with effortless single-finger movement.
Primary Deployment: Northern US, Canada, Scandinavian & Alpine Regions.
Triple-pane thermal break sliding and casement assemblies with warm-edge spacers and argon gas fill. Engineered to prevent indoor condensation, eliminate draft pathways, and maintain internal envelope temperatures, directly lowering HVAC operational energy consumption in green building initiatives.
Ensuring frictionless international trade, municipal building code acceptance, and standardized structural testing across key global markets.
| Certification Target | Regional Compliance Body | Key Performance Indicators Tested | Grandex Verification Level |
|---|---|---|---|
| Miami-Dade NOA / FBC | United States (Florida HVHZ) | TAS 201 (Impact), TAS 202 (Air/Water/Structure), TAS 203 (Cyclic Load) | Third-Party Certified & Field Tested |
| NFRC (Energy Star) | North America (US & Canada) | U-Factor, Solar Heat Gain Coefficient (SHGC), Visible Transmittance (VT) | Full Thermal Lab Verification |
| AS2047 / AS1288 | Australia & New Zealand | Deflection (AS4055), Air Infiltration, Water Penetration (450Pa+) | National Laboratory Certified |
| CE Mark (EN 14351-1) | European Union (EU) | Acoustic Sound Insulation (Rw), Thermal Transmittance (Uw), Watertightness | Factory Production Control (FPC) Certified |
| ISO 9001:2015 | International Quality Std. | Total Quality Assurance Management, Raw Material Traceability | Annual Bureau Audit Compliant |
Streamlined 6-step project execution protocol from CAD engineering to door delivery for developers, wholesalers, and general contractors.
Our engineering team reviews project architectural shop drawings, structural wind load requirements, thermal targets, and structural opening dimensions to produce optimized CAD/BIM models.
Pre-production samples and physical corner sections are built for finish evaluation, weatherstrip tolerance checks, and acoustic sealant inspection prior to full extrusion mass production.
High-tensile 6063-T6 aluminum profiles undergo automated double-head precision cutting, CNC lock slot milling, hinge pocket drilling, and PA66 thermal strip crimping.
Tempered low-E glass panels are installed using automated structural silicone dispensing machines. Multi-point security locks, German hardware, and EPDM gaskets are fitted.
100% of finished assemblies undergo squareness alignment, opening force testing, water spray chamber testing, and protective film wrapping in our internal laboratory.
Custom wooden crates with shock-absorbing foam lining protect frames during sea transport. Optimized container packing maximizes volume efficiency and lowers freight cost per unit.
Direct engineering answers addressing procurement, structural performance, material specs, and lead-time guarantees for trade buyers.
Aluminum offers unmatched dimensional stability, structural strength-to-weight ratio, and weather resistance. Unlike wood, aluminum will not warp, swell, rot, or absorb moisture in humid coastal climates. Compared to standard steel doors, thermal-break aluminum eliminates rust risks, offers superior anodized or fluorocarbon surface finishes, and allows sleek narrow-frame designs while supporting heavy double or triple insulated glass units.
A thermal break splits the interior and exterior aluminum frame sections using structural polyamide (PA66 GF25) strips. Because polyamide is 500 times less thermally conductive than aluminum, it blocks cold or heat transfer through the frame. When paired with double or triple Low-E tempered glass filled with argon gas and warm-edge spacers, overall entry door U-factors reach low levels (0.18 - 0.24 BTU/h·ft²·°F), helping buildings satisfy strict energy codes.
Yes. Grandex manufactures Miami-Dade NOA and Florida Building Code (FBC) certified entry door and window assemblies. Our hurricane-proof systems feature reinforced heavy-wall aluminum extrusions, SGP laminated glass interlayers, and heavy-duty multi-point locking systems tested under TAS 201, 202, and 203 standards for high design pressures (DP70+) and wind-borne debris impact.
We offer end-to-end custom manufacturing: profile dimension adjustments, panel configurations (hinged swing, oversized pivot, multi-slide, tilt-and-turn), custom RAL powder coating or wood-grain anodizing, smart lock integration (fingerprint, keypad, Bluetooth/Zigbee), glass tinting/frosted glazing, sidelight transoms, and branded protective packaging for distributors.
Standard lead time for standard profile orders is 25 to 35 days from technical drawing confirmation and deposit payment. For custom aluminum extrusion die creation, add approximately 10 to 14 days. Our 35,000 m² factory capacity ensures steady container outputs ($28M annual export volume) even during peak construction seasons.
We provide up to a 10-year structural warranty on aluminum extrusions, a 10-year warranty on glass unit seals, and a 5-year warranty on hardware finishes. Our 45-member QA team conducts pre-shipment inspections with photos/videos provided to clients. In case of field transit damage or defect, replacement components are immediately prioritized and air-freighted.
Complete your structural envelope specifications with our certified tilt-and-turn windows, custom luxury pivot doors, and high-energy-efficiency casement solutions.
Modern Horizontal Double Glazed Aluminum Alloy Stainless Steel Mosquito Net Sash Manual Opening Style Aluminum Awning Window
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Thermal Break Aluminum Casement Door with Thermal Break for Houses
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Superhosue 20 Years Industry Experience High Energy Efficiency NFRC Narrow Frame Aluminium Casement Window Aluminium windows
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High-end customized Grey Black Wood color Front Entry Hinged Pivot door with sidelights frosted tempered glass & smart lock
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Customized Aluminum Double Tempered Glass Sliding Door NFRC AS2047 Balcony Courtyard Avoid Hurricane Impact Sliding Door
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Superhouse Custom Curved Glass French Vintage Arched Windows Minimalist Arched Windows Aluminum Casement Window
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Superhouse Modern Design for Hotel and Villa Customized Large Tempered Glass Windows Aluminum Fixed Window
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NOA Certified Aluminum Tilt&Turn Window Florida Hurricane Proof D2015 Powder Coating Anti-Corrosion for Living Room Ventilation
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