6 Hidden Details Buyers Often Overlook When Purchasing Aluminum Windows and Doors
🏗️ Introduction
When purchasing aluminum windows and doors, most buyers focus on price and appearance. However, the true value lies in the details you can’t see at first glance.
These hidden elements determine whether your windows stay airtight, energy-efficient, and durable for years — especially in regions with extreme temperatures like Central Asia and Eastern Europe.
⚙️ 1️⃣ High-Quality Hardware

Why it matters: Hardware like hinges, handles, and locks bear the daily stress of use. Inferior metal or plastic can quickly deform or rust, compromising safety.
Tip: Look for hardware made of stainless steel or zinc alloy, tested for 50,000+ open-close cycles.
🧼 2️⃣ Proper Sealing and Gaskets

Why it matters: The sealant system determines air and water tightness. Poor sealing can lead to drafts, noise, and energy loss.
Tip: Ensure EPDM or silicone rubber gaskets are used — both maintain flexibility in hot and cold climates.
🌡️ 3️⃣ Thermal Break Technology

Why it matters: The thermal break inside the aluminum frame prevents heat transfer. Without it, indoor temperatures fluctuate drastically.
Tip: Check for polyamide (PA66) thermal barriers — these can reduce energy loss by up to 40%.
🪟 4️⃣ Glass Composition and Thickness

Why it matters: Glass takes up over 80% of a window’s surface. Using single-layer glass can cause condensation, noise, and heat loss.
Tip: Choose double-glazed or Low-E glass for better soundproofing and insulation.
🧭 5️⃣ Drainage and Ventilation Design
Why it matters: Hidden drainage channels prevent rainwater accumulation and frame corrosion — an overlooked but vital factor for long lifespan.
Tip: Check if your window frame has concealed drainage holes and a multi-chamber structure.

🔩 6️⃣ Surface Treatment and Coating
Why it matters: The outer coating protects against oxidation, UV, and corrosion. A poor finish fades or peels quickly under harsh climates.
🧠 Conclusion
A beautiful window isn’t just about the view — it’s about comfort, safety, and durability behind the frame.
By checking these six details before purchasing, you’ll ensure that your investment lasts for decades, saving you future maintenance costs.
📞 Contact Openhaus
📧 Email: openhausliving@gmail.com
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