- +91 95890 15575
- office@lumierefenestration.com
Welcome to Ascendia
uPVC Sliding Windows
+91 95890 15575
What are uPVC Sliding Windows
uPVC sliding windows are designed with sashes that move smoothly from side to side on precision rollers, all within a fixed frame. They’re made using unplasticized polyvinyl chloride (uPVC), a durable and weather-resistant material commonly used in modern residential and commercial window systems. Unlike casement windows that swing open inward or outward, sliding windows operate along horizontal tracks. This makes them especially practical for spaces where saving room, maintaining clean sightlines, and ensuring effortless daily use are more important than having an opening sash.
Ascendia’s uPVC Sliding Windows combine European engineering, architectural-grade materials, and precision fabrication to create a system that feels seamless, silent, and built for decades of smooth performance.
Benefits of uPVC sliding windows
- whisper-quiet movement
- exceptional insulation
- multi-track flexibility
- grill & mesh compatibility
- long-term structural stability
Are Ascendia uPVC sliding windows suitable for Indian conditions?
Yes. India’s humidity, salinity, and temperature variations demand more than standard uPVC.
These systems maintain structural integrity for 30–40 years.
Ascendia sliding windows use:
- UV-stabilised uPVC profiles (prevents fading/yellowing)
- Marine-grade hardware (ideal for coastal cities like Kochi, Calicut, Goa, Chennai, Mumbai)
- Double EPDM sealing (blocks dust, heat, and moisture)
- Multi-chamber insulation (thermal comfort)
- Advanced drainage pathways (heavy monsoon readiness)
- GI Steel Cold Formed Reinformcement
Types of uPVC sliding windows
2-Track Sliding Windows
- One fixed sash + one sliding sash
- Suitable for smaller openings
- Cost-effective option
3-Track Sliding Windows
- Two sliding sashes + optional mesh
- Better ventilation control
- Common choice for bedrooms and living rooms
Sliding Windows with Mosquito Mesh
- Integrated mesh track
- No need for external grills
- Ideal for tropical regions
Choosing the wrong track configuration is one of the most common mistakes homeowners make
Sizes, Tracks & Customisation Options
Everything is fabricated to your exact civil opening.
Track Systems
- 2-panel sliders
- 3-panel systems
- 4-panel panoramic sliders
- 2.5-track (mesh integrated)
- Multi-track custom-engineered
Colours
- Premium white
- Anthracite grey
- Black
- Golden oak / walnut / mahogany woodgrain
- Matte metallic finishes
Glass Options
- Toughened
- Laminated acoustic
- DGU (insulated glass)
- Reflective
- Frosted privacy glass
uPVC Sliding Windows for Every Room
uPVC Sliding Windows for Balconies
The balcony is where a sliding window has to work hardest.
Direct sun. Wind load. Rain ingress. Dust accumulation. In Indian cities — especially coastal ones like Kochi, Chennai, Mumbai, and Goa — a balcony window faces all four simultaneously, across every season.
Ascendia’s balcony sliding systems are engineered for exactly this.
- TerraGlide 180 and GlideMaster 180 handle openings up to 3,600 mm wide — delivering
unobstructed panoramic views without structural compromise - Double EPDM sealing prevents wind-driven rain from entering at the frame junction
- Marine-grade hardware resists salt-air corrosion in coastal environments
- Integrated mesh track keeps insects out without reducing glass area or blocking sightlines
Recommended systems: TerraGlide 180, GlideMaster 180 Recommended glass: Toughened or laminated acoustic for high-rise balconies
uPVC Sliding Windows for Bedrooms
A bedroom window needs to do two things well — block what’s outside, and let in what matters.
Block: street noise, dust, early morning light if needed, and insects. Let in: natural ventilation, daylight, and a sense of openness without the room feeling exposed.
Ascendia’s 3-track sliding systems give you full control over all of it.
- Three-track configurations allow independent operation of the glass sash and mesh panel — ventilate without insects entering, even at night
- DGU (double glazed unit) glass reduces external noise by up to 32 dB — a meaningful
difference in urban apartments near main roads - Frosted privacy glass options available for ground-floor or street-facing bedrooms
- Whisper-quiet G-U roller assemblies — no rattling, no resistance, no noise in the early hours
Recommended systems: GlideShield Max, GlideMaster 180 Recommended glass: DGU laminated acoustic for noise reduction; frosted for privacy
uPVC Sliding Windows for Kitchens
Kitchens generate heat, steam, and cooking odours. The window above the counter or adjacent to the stove is one of the most-used windows in the home — and one of the most neglected in terms of specification.
A kitchen sliding window needs to open easily with one hand, seal completely when closed, and survive years of heat cycles, moisture, and cleaning.
- uPVC profiles do not warp, swell, or discolour in high-humidity kitchen environments —
unlike timber frames - Toughened glass is standard for kitchen installations — impact resistance where it
matters most - Integrated mosquito mesh on 2.5-track configurations keeps insects out during cooking,
without sacrificing airflow - Smooth-glide operation works with one hand — practical when cooking
For kitchens above the 5th floor, Ascendia recommends single-pane toughened glass with a 2-track system. For ground to 3rd floor urban apartments — the GlideShield+ with integrated mesh eliminates the need for a separate insect screen.
Recommended systems: GlideShield+, GlideShield Max
Recommended glass: Toughened clear or toughened pinhead for partial privacy
uPVC Sliding Windows for Living Rooms
The living room is where aesthetics and performance have to meet without compromise.
Large glass areas. Clean sightlines. Colours that work with the interior. Hardware that feels precise. These are the expectations — and in a space where family and guests spend the most time, a window that rattles, sticks, or discolours within five years isn’t acceptable.
Ascendia’s living room configurations are designed as architectural elements, not afterthoughts.
- 4-panel panoramic slider configurations create full-width glass walls — ideal for open-plan apartments and villa living rooms
- Available in anthracite grey, golden oak woodgrain, matte metallic, and premium white — matching any interior palette
- Multi-point G-U locking ensures the sash sits flush and rattles-free at any wind speed
- Titanium dioxide stabilisation in the uPVC compound prevents yellowing over decades — the glass area stays clear, the frame stays white
Recommended systems: TerraGlide 180 (large openings), GlideMaster 180 (standard openings)
Recommended glass: Reflective glass for west-facing living rooms; DGU for thermal comfort in non-AC rooms
Not sure which configuration fits your space? Ascendia’s site visit team measures, advises, and specifies — at no cost. Book a free site visit →
uPVC sliding windows v/s other window types
- space is limited
- openings are wide
- grills/mesh are required
- ease of operation matters
How to choose the right
uPVC sliding window system
Profile thickness & formulation
- Look for multi-chamber profiles designed for Indian temperatures
- Avoid ultra-thin profiles that flex over time
Steel reinforcement
- Minimum 1.2 mm galvanized steel recommended
- Thinner reinforcement leads to sagging and misalignment
Roller system
- Stainless steel or high-load nylon rollers
- Poor rollers are the #1 cause of sliding failure
Glass selection
- Single glass: basic use
- Double glazing: heat & noise reduction
- Laminated glass: enhanced safety and noise control
Installation quality
Mesh & Balcony Applications
uPVC Sliding Windows with Grill
uPVC Sliding Windows with Grill and Mesh
uPVC Sliding Windows for Balcony
Ascendia uPVC Sliding Window Models
TerraGlide 180
TerraGlide 180 is a sleek sliding door that seamlessly connects indoor and outdoor spaces, combining smooth operation with modern aesthetics.
Dimension
Window Size
Min Width 1350 mm
Max Width 3600 mm
Min Height 450 mm
Max Height 2400 mm
Sash Size
Min Width 450 mm
Max Width 1200 mm
Min Height 450 mm
Max Height 2400 mm
Profile
uPVC
Enhanced 62 Series
Wall Thickness
2.4 mm
Glazing
Glass Thickness
4mm-16mm, 18mm, 20mm
Single Glazing
Yes
Double Glazing
22mm-30mm,32,33,34,35,36,37,38,40
Design Spec
Wind Load
2400 Pa
Bug Mesh
Yes
Hardware
Yale/GU
Colour
All Colors
GlideShield Max
GlideShield Max offers smooth sliding performance with a variety of aesthetic color choices, enhanced by an integrated mosquito net for added comfort and protection.
Dimension
Window Size
Min Width 900 mm
Max Width 2400 mm
Min Height 450 mm
Max Height 1800 mm
Sash Size
Min Width 450 mm
Max Width 1200 mm
Min Height 450 mm
Max Height 1800 mm
Profile
uPVC
Enhanced 62 Series
Wall Thickness
2.4 mm
Glazing
Glass Thickness
4mm-16mm, 18mm, 20mm
Single Glazing
Yes
Double Glazing
22mm, 24mm
Design Spec
Wind Load
2400 Pa
Bug Mesh
Yes
Hardware
Yale/GU
Colour
All Colors
GlideMaster 180
GlideMaster 180 combines effortless sliding performance with a range of aesthetic color choices, adding strength and elegance to your space.
Dimension
Window Size
Min Width 900 mm
Max Width 2400 mm
Min Height 450 mm
Max Height 1800 mm
Sash Size
Min Width 450 mm
Max Width 1200 mm
Min Height 450 mm
Max Height 1800 mm
Profile
uPVC
Enhanced 62 Series
Wall Thickness
2.4 mm
Glazing
Glass Thickness
4mm-16mm, 18mm, 20mm
Single Glazing
Yes
Double Glazing
22mm, 24mm
Design Spec
Wind Load
2400 Pa
Bug Mesh
No
Hardware
Yale/GU
Colour
All Colors
GlidePro
GlidePro transforms your living space with seamless functionality and refined style for an elevated everyday experience.
Dimension
Window Size
Min Width 900 mm
Max Width 1500 mm
Min Height 450 mm
Max Height 1500 mm
Sash Size
Min Width 450 mm
Max Width 750 mm Min
Height 450 mm Max
Height 1500 mm
Profile
uPVC
Essentials 50 Series
Wall Thickness
2.4 mm
Glazing
Glass Thickness
4mm, 5, 6, 8, 10, 12, 14, 16mm
Single Glazing
Yes
Double Glazing
No
Design Spec
Wind Load
1500 Pa
Bug Mesh
No
Hardware
Kinlong
Colour
Pristine White
GlideShield+
GlideShield enhances your space with smooth sliding functionality and an integrated mosquito net, ensuring comfort, protection, and modern elegance.
Dimension
Window Size
Min Width 900 mm
Max Width 1500 mm
Min Height 450 mm
Max Height 1500 mm
Sash Size
Min Width 900 mm
Max Width 1500 mm
Min Height 450 mm
Max Height 1500 mm
Profile
uPVC
Essentials 50 Series
Wall Thickness
2.4 mm
Glazing
Glass Thickness
4mm, 5, 6, 8, 10, 12, 14, 16mm
Single Glazing
Yes
Double Glazing
No
Design Spec
Wind Load
1500 Pa
Bug Mesh
Yes
Hardware
Kinlong
Colour
Pristine White
German Engineering, Engineered in
Partnership with Global Leaders
True performance comes from engineering proven technologies together — as one complete uPVC window system.
Ascendia partners with G-U (Gretsch-Unitas) to engineer advanced locking and movement technologies into its uPVC sliding window systems.
- Multi-point locking for long-term stability
- Smooth, precise operation
- Designed to resist wind-induced movement and rattling
Ascendia partners with RENOLIT to apply premium exterior surface technologies to its uPVC profiles.
- High UV and weather resistance
- Long-term colour stability
- Premium finishes engineered for Indian climate conditions
Why Homeowners & Architects
Prefer
uPVC Sliding Windows
And why Ascendia’s systems outperform all standard sliding windows
Sliding windows are the perfect fit for homes where:
- Space needs optimization,
- Balcony safety is a priority,
- Noise & dust reduction matter,
- Larger glass areas are desired,
- Modern aesthetics define the interior.
Ascendia elevates this with:
- German silent-glide roller assemblies
- Grill + mesh + multi-track integration
- Weather-sealed performance for coastal climate
- Cold-formed reinforcement
- Titanium dioxide stabilisation ensures no wrapping
Why Ascendia for uPVC Sliding Windows
Each window is fabricated like a German fenestration system, not a typical uPVC product.
Every millimetre is calibrated for perfect sightlines and elevation consistency.
No subcontracting.
Only trained Ascendia technicians.
Siegenia
G-U
EPDM (Europe-grade)
10-year comprehensive system
20-year weathering warranty
End-to-end service
What is the lifespan of uPVC sliding windows?
A well-manufactured and properly installed uPVC sliding window typically lasts 20–40 years.
Lifespan depends on:
- Profile formulation
- Reinforcement thickness
- Hardware quality
- Installation standards
- Environmental exposure
Low-grade systems fail early — not uPVC as a material.
Common mistakes to avoid when choosing sliding windows
- Choosing sliding windows for very large openings where casement or lift-and-slide is better
- Ignoring reinforcement thickness
- Prioritizing price over roller quality
- Skipping drainage and sealing checks
- Assuming all uPVC windows are the same
Maintenance requirements
uPVC sliding windows require minimal up keep:
- Periodic cleaning of tracks
- Occasional roller lubrication
- Hardware inspection every few years
No repainting. No corrosion treatment. No seasonal repairs.
Frequently Asked Questions
Are uPVC sliding windows durable?
Yes. With GI reinforcement + German rollers, they remain stable for decades.
Do sliding windows work with grill & mesh?
Are uPVC windows good for balconies?
Yes — they’re ideal for balcony enclosures because they don’t slam during winds.
Do uPVC windows reduce noise?
Up to 30–40 dB with laminated or DGU glass.
Will uPVC fade in Kerala climate?
No. Ascendia uses UV-stabilised profiles designed for coastal regions.