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Aluminium Systems Blog & Expert Guides
Technical insights, specification guidance and B2B export knowledge from the Afes Aluminium team.
Featured Louvre & Performance Window Systems
Engineered to meet Australian (AS2047/AS2088), European (CE), and ASTM standards, our extruded aluminum windows, louver panels, and sliding doors provide superior structural stability, water tightness, and acoustic performance across Metro Manila projects.
Architectural Louvre Systems Engineering for Metro Manila’s Tropical Microclimate
Metro Manila operates within one of the most demanding built-environments in Southeast Asia. Characterized by high year-round ambient temperatures (averaging 27°C to 34°C), relative humidity levels frequently exceeding 85%, severe coastal atmospheric salinity along Manila Bay, and extreme tropical cyclonic events (Typhoons), architectural facades require rigorous engineering parameters. Specifying extruded aluminium louvre systems and performance fenestration serving Metro Manila is not merely an aesthetic choice; it is a structural, thermal, and hydrodynamic necessity.
1. Hydrodynamic Rain Defense & Airflow Efficiency (BS EN 13030 Compliance)
During the southwest monsoon (Habagat) season, wind-driven rain speeds in Metro Manila can exceed 120 km/h. Standard ventilation louvers frequently fail under these conditions, leading to water ingress into mechanical penthouses, elevator shafts, and interior commercial zones. Our engineered louvre systems utilize aerodynamic double and triple drainable blade profiles (Z-blade, S-blade, and Aerofoil geometry) designed according to BS EN 13030 testing standards.
The integrated blade catch hooks redirect water into vertical stiles and concealed drainage channels, achieving a Class A Effectiveness Rating (up to 99.8% water exclusion) while maintaining a high free area coefficient ($C_d$ airflow efficiency above 0.45). This ensures optimal airflow for HVAC condenser decks and passive ventilation cores without compromising interior waterproofing.
2. Wind Load Structural Integrity & NSCP 2015 Compliance
According to the National Structural Code of the Philippines (NSCP 2015 Chapter 2), Metro Manila falls under Zone 1 wind classification, with basic design wind speeds ($V$) ranging from 250 km/h to 310 km/h (ultimate wind pressures reaching up to 3.5 kPa to 4.5 kPa depending on building height and exposure category). As direct manufacturers and exporters, our structural engineers calculate profile moment of inertia ($I_x$, $I_y$) for all louver blades, structural mullions, and mounting brackets.
Utilizing high-tensile EN AW-6063-T6 architectural aluminium extrusions, our louvres feature reinforced internal web structures designed to withstand cyclic pressure loadings and extreme negative suction pressures encountered on high-rise curtain walls in Bonifacio Global City (BGC) and Makati CBD.
3. Coastal Corrosion Protection: C4/C5 Atmospheric Endurance
Developments located along the Manila Bay reclamation area (Pasay, Parañaque, and Port Area) are exposed to harsh salt-spray environments classified under ISO 12944 as C4 to C5 corrosive marine atmospheres. Unprotected aluminium profiles suffer from rapid pitting corrosion and coating delamination due to chloride deposition and elevated solar UV intensity.
To ensure a 25+ year operational lifespan, our louver and window extrusions undergo specialized surface pre-treatment (chromate-free zirconium conversion) followed by AAMA 2605 compliant 70% Fluoropolymer (PVDF / Kynar 500) coating or 25-micron Class 1 anodic oxidation. This provides complete resistance to salt fog, color fading, chalking, and chemical atmospheric pollutants.
Localized Application Scenarios across Metro Manila Megacity
Different urban sectors in Metro Manila present unique architectural and environmental demands. Our louver and fenestration packages are customized to meet specific site typologies.
High-Rise Residential Towers (BGC & Makati)
Challenge: Managing high acoustic pollution from urban traffic while providing safe night-time background ventilation and solar shading on upper floors.
Engineered Solution: Acoustic louvers with mineral wool acoustic core inserts paired with soundproof thermal break tilt-and-turn windows achieving up to STC 42 sound attenuation.
Commercial Hubs & TODs (Ortigas & Quezon City)
Challenge: Continuous rainscreen louvre envelopes for massive mechanical decks, generator rooms, and data centers requiring high airflow volume with complete rain screening.
Engineered Solution: Double-bank drainable louver walls featuring high discharge airflow coefficients ($C_d \ge 0.5$) with integrated stainless steel bird mesh and structural steel support framing.
Coastal Estates & Bayfront Villas (Cavite & Manila Bay)
Challenge: Extreme wind-driven salt spray, high solar thermal gain, and potential hurricane-force debris impacts during tropical cyclones.
Engineered Solution: Heavy-duty hurricane impact-resistant sliding windows combined with motorized operable sun-shading aerofoil louvers coated with AAMA 2605 PVDF finishes.
Metro Manila Architectural Trends: BERDE, LEED & Passive Cooling
BERDE & LEED Tropics Optimization
Property developers across Metro Manila (such as Megaworld, Ayala Land, and SM Prime) are aggressively pursuing green building certifications including BERDE (Building for Ecologically Responsive Design Excellence) and LEED. Solar heat gain through glass facades is the single largest contributor to cooling energy consumption in tropical high-rises.
By specifying architectural exterior louvers (Brise Soleil) forward of thermal break double-glazed window walls, solar heat gain coefficient (SHGC) values can be reduced from 0.70 down to less than 0.22. This slashes air conditioning compressor loads by up to 35% annually.
Passive Ventilation & Thermal Comfort
With rising electricity tariffs in the Philippines (Meralco rates), passive thermal management is a primary architectural mandate. Operable aluminium louvers allow building managers to switch between forced HVAC cooling and natural convection airflow during cooler night hours and transition months (November to February).
Our custom motorized louvre systems integrate seamlessly with automated Building Management Systems (BMS), responding dynamically to solar azimuth angles, wind velocities, and internal temperature sensors.
Why Manila Developers & General Contractors Partner With Us
As a global B2B manufacturer and exporter based in top industrial extrusion clusters, Afes Aluminium provides end-to-end engineering, fabrication, and export logistics directly to the Port of Manila (MICP / South Harbor).
Precision Tooling & Custom Extrusion
We operate multi-ton extrusion presses capable of producing custom louver dies up to 400mm profile width. Whether your architectural drawings specify elliptical aerofoils, linear continuous blades, or custom structural sub-frames, our tooling department delivers exact CAD compliance.
In-House Thermal Break Assembly
Equipped with advanced polyamide strip crimping machines, we assemble thermal break aluminium profiles using imported PA66GF25 reinforced insulation strips. This guarantees structural shear strength and thermal insulation across all exported window and louver units.
Export Packaging & Shipping Discipline
Export shipping to Manila requires robust ocean freight packaging to prevent scratch damage, moisture entrapment, and frame distortion. All extrusions and assembled frames are wrapped in protective film, bundled with blue foam corner protectors, and packed into fumigated seaworthy wooden crates or steel A-frames.
Frequently Asked Questions by Manila B2B Buyers & Importers
For every project order serving Metro Manila, our engineering team supplies full structural calculation reports detailing wind load performance based on the National Structural Code of the Philippines (NSCP 2015). We calculate member deflection limits ($L/175$ or $L/240$), section modulus, and connection bracket shear stress against your project’s specified wind zone pressures (up to 4.5 kPa).
We offer flexible Incoterms including EXW, FOB, and CIF Manila (Port of Manila / Manila International Container Terminal - MICT). We issue complete export shipping documentation required by the Philippine Bureau of Customs (BOC), including Commercial Invoices, Packing Lists with floor-by-floor unit tags, Bills of Lading (B/L), Certificates of Origin (Form E or General CO), and Mill Test Certificates (MTC) for aluminium alloy 6063-T6.
Yes. We provide full color-matching services according to international RAL color charts, AKZO Nobel, or PPG powder series. For coastal Manila applications, we strictly apply AAMA 2605 compliant PVDF fluoropolymer finishes with a minimum dry film thickness of 35-45 microns, backed by a 20-to-25-year factory finish warranty against fading and salt chalking.
Standard fabrication lead time is 25 to 35 days following approval of shop drawings and deposit confirmation. Ocean transit time from our export port to the Port of Manila typically takes 14 to 20 days. We also coordinate consolidated container loading (FCL/LCL) to optimize freight efficiency for large residential or commercial building envelopes.
Yes. We routinely fabricate corner samples, blade profile mock-ups, and full-scale 1m x 1m operable louver/window test samples for architectural review boards and third-party laboratory testing prior to mass production.