It is a combination unit where the bottom section is a stationary (fixed) glass pane, and the top section consists of sliding panels for ventilation.
Sliding Window With Bottom Fixed
Sliding portion gives easy ventilation while the bottom fixed panel adds safety and a clean elevation look
- Energy Saving
uPVC doors and windows are designed to keep outdoor heat outside and indoor comfort inside. The multi-chamber profiles and tight sealing reduce heat transfer, helping rooms stay cooler in summer and warmer in winter. Result: lower air-conditioning load and visible savings on electricity bills. - Protection from Noise
Traffic, construction, and the daily city orchestra stay where they belong. Precision sealing and insulated profiles significantly reduce outside noise, creating a quieter, calmer indoor environment that feels instantly noticeable the moment the window closes. - Rainwater Insulation
Heavy rain is tested, invited, and rejected. uPVC windows & doors are built with drainage paths, fusion-welded joints, and weather seals that prevent water seepage even during intense monsoons. Interiors stay dry, walls stay stain-free. - Safe from Storm
Strong winds and sudden pressure changes don’t get special treatment. Reinforced frames and secure locking systems provide stability against high wind loads, making uPVC doors and windows reliable during storms and extreme weather conditions. - Easy Care with low maintenance
No painting, no polishing, no seasonal drama. uPVC surfaces don’t rust, peel, or fade easily. A simple wipe with a cloth keeps them looking clean and new, year after year. - Termite Safe
Termites look, inspect, and move on. uPVC is not wood, doesn’t attract pests, and doesn’t rot. That means long-term durability without chemical treatments or periodic repairs. - Pollution Free
Tight sealing keeps dust, pollution, and outdoor contaminants outside. When paired with proper ventilation options, uPVC windows help maintain cleaner indoor air, making homes more comfortable and healthier to live in. - Weather Proof
Sun, rain, humidity, or temperature swings. uPVC doors and windows are designed to perform consistently across all seasons without warping, cracking, or losing shape. Same fit, same function, all year.
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Commonly Asked Queries
What is the primary advantage of this design?
It offers the perfect balance of safety (at the bottom level) and ventilation (at the top level), maximizing natural light.
Where is this window style best suited?
It is ideal for high-rise bedrooms, living rooms with a view, and spaces where you want to prevent children or pets from climbing out.
Can I install a mosquito mesh?
Yes, a sliding insect screen can be installed on the top sliding section (usually on a separate track).
What kind of glass is recommended?
Toughened or safety glass is highly recommended for the bottom fixed portion to ensure safety against accidental impact.
Installation & Performance
Is this design waterproof? Yes, modern uPVC and aluminium profiles come with built-in drainage systems and gaskets to prevent water seepage.
Is the bottom fixed part airtight?
Yes, the fixed section is completely sealed, making it 100% airtight and dust-proof.