Yes, we offer door insulation options depending on the design and material selected. Our doors are crafted to provide durability, stability, and improved thermal performance. If you have specific insulation requirements, our team can guide you toward the best solution.

Absolutely. We specialize in custom-made doors and windows tailored to your space, style, and functional needs. From glass choice to frame color, every detail is customizable.

Delivery timelines vary depending on the product and customization level. Standard items are typically dispatched within 60 to 90 days. Our team will provide a clear timeline at the time of order confirmation.

Yes, we provide a 10 to 20 year warranty on our products to ensure quality and complete customer satisfaction.

Yes. Our aluminum windows are engineered with advanced acoustic glazing and precision sealing to reduce external noise by up to 50 dB — ideal for homes near busy roads, airports, or commercial areas. We offer double and triple glazing options for maximum sound insulation.

Thermal break technology involves inserting a non-conductive material (typically polyamide) between the inner and outer aluminum profiles. This prevents heat or cold from transferring through the frame, keeping your interiors cooler in summer and warmer in winter — significantly reducing energy costs and improving year-round comfort.

Absolutely. At Ostenta, every product is customizable. We offer a wide range of powder-coat finishes, anodized colors, wood-effect laminates, and matte or gloss options. Whether you want a modern minimal look, a warm wooden aesthetic, or a bold architectural statement — we craft it to your vision.

Yes. We specialize in arched, round, elliptical, and fully curved aluminum window frames — perfect for luxury villas, boutique hotels, and signature architectural projects. Fixed and openable curved window options are available. Each unit is precision-fabricated for a flawless fit.

Yes. We offer aluminum windows with integrated or add-on grill designs — from traditional colonial patterns to modern geometric styles. Grills are available in matching powder-coat finishes and can be incorporated into casement, sliding, or fixed window types.

A vertical sliding window (also called a sash window) opens by sliding the panel upward rather than sideways. Ostenta manufactures vertical sliding aluminum windows and doors with panel heights of up to 8.0 metres — exceptional for large sea-facing facades, high-ceiling living rooms, and luxury penthouses.

Yes. All our windows come with child-lock options as standard. We also offer restrictors, safety glazing (laminated or toughened glass), and push-to-open mechanisms that prevent accidental falls providing peace of mind for families with young children.