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Insulated Sliding Systems

Termessos, Termessos Plus & Adorado Series

Insulated Sliding Glass Systems

Insulated sliding systems make your spaces comfortable in every season with their thermally insulated glass panels. The horizontal sliding mechanism delivers easy operation and a wide passage area. They offer outstanding performance with sound, heat and water insulation.

Termessos
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Termessos

Insulated sliding system providing superior thermal and acoustic insulation in your spaces. Wide passage area with horizontal sliding operation.

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Termessos Plus
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Termessos Plus

Premium insulated sliding system with an enhanced profile structure. Wider size options and top-tier insulation.

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Adorado
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Adorado

Modern-design insulated sliding system. An elegant profile look with an aesthetic and functional solution.

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Highlighted Features

Thermal Insulation

Outstanding thermal insulation performance thanks to the insulated-glass structure. Provides energy savings.

Easy Sliding Operation

Comfortable use and a wide passage area thanks to the horizontal sliding mechanism.

Water Insulation

Watertightness guaranteed by special EPDM gaskets and gutter design.

Acoustic Insulation

The insulated-glass structure minimizes outdoor noise and offers a quiet space.

Why Insulated Sliding?

Why an Insulated Sliding Glass Balcony?

The insulated sliding glass balcony is the most popular system for turning a balcony into year-round living space. Its double-glazed structure plus thermal-break profile delivers A+ energy-class performance and 50–70% better thermal insulation.

1. A+ energy-class performance

The combination of 4+16+4 mm Low-E insulated glass + thermal-break aluminum profile + argon fill (optional) makes the balcony an energy-efficient part of your home. Significant reduction in boiler and air-conditioning costs.

2. Top-level acoustic insulation

The double-glazed structure provides 30–35 dB; with the acoustic-glass upgrade, 40 dB of acoustic insulation. Traffic, construction or busy-city noise is reduced by 50%.

3. No condensation on the inner surface

Thanks to the insulated cavity between the two panes, condensation does not form on the inner glass surface in winter. This issue, a constant problem in single-glazed systems, is solved.

4. Sliding comfort + aesthetics

The horizontal sliding structure provides ease of use. When open, the glass panels stack side by side and the balcony is largely unobstructed.

5. Property value increase

An insulated balcony allows the home to be valued as if it had a "+1 room". On real-estate listings, the note "insulated enclosed balcony" raises the apartment price by 5–8%.

Technical Details

Insulated Sliding Technical Specifications

The main technical differences between our standard and premium series.

Feature Standard Premium (Argon)
Glass structure 4+12+4 mm 4+16+4 mm Low-E + Argon
U-value (thermal transmittance) 2.7 W/m²K 1.1 W/m²K
Acoustic insulation 30 dB 35–40 dB (with acoustic glass)
Energy class B A+
Profile 70 mm 90 mm + thermal break
Condensation Low None
Warranty 10 years 10 years + Low-E performance
Use Cases

Insulated Sliding Use Cases

Insulated sliding systems offer tailored solutions for different industry and venue needs.

Residential balconies (year-round)

Turning the balcony into a room and incorporating it into the living space.

Cold-climate regions

Thermal insulation is a must for Eastern, Central and Black Sea regions.

High-traffic addresses

Acoustic insulation for city-center and main-avenue balconies.

Eco-focused projects

Standard system in A+ energy-class certified buildings.

Energy-saving apartments

Long-term reduction in boiler and air-conditioning costs.

Old balcony renovation

Converting an existing single-glazed balcony to double glazing.

Professional Installation by Our Authorized Dealers

Winperax does not sell directly; all insulated sliding systems are professionally installed by our 200+ authorized dealers across Türkiye. Production takes place at our Antalya OIZ facility, while installation is handled by certified dealers — the factory warranty is only valid with authorized dealer installation.

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FAQ

Frequently Asked Questions

The most common questions answered by our experts.

How much insulation does an insulated sliding glass balcony provide?

The 4+16+4 mm insulated-glass series delivers 50–70% better thermal insulation compared to single glazing. It retains indoor warmth in winter and screens out solar heat in summer. Performance increases further with argon-filled options.

What is the difference between double glazing and single glazing?

Single glazing provides basic wind and rain protection, while double glazing (insulated glass) reduces winter heat loss thanks to the air/argon gap between the two panes, improves acoustic insulation, and prevents condensation on the inner surface.

How is A+ energy class achieved?

The combination of thermal-break profile + 4+16+4 mm Low-E glass + argon gas fill + EPDM sealing gasket delivers A+ energy class. With this construction, the balcony can be incorporated into the heated living space.

Can I replace my old glass balcony with an insulated sliding system?

Yes — the existing profile is removed and the new insulated sliding system is mounted in the same opening. Our dealers verify compatibility during the site visit and report the total installation time.

How is acoustic insulation in the insulated sliding system?

The double-glazed structure provides 30–35 dB acoustic insulation — reducing outside noise by 50% on balconies facing busy streets. With the acoustic-glass option, this figure rises to 40 dB.

What are the dealership requirements for insulated sliding glass balcony?

Showroom space, a technical team and service capacity are the basic requirements for dealership. For detailed dealership terms and applications, please contact our B2B sales department.

Have other questions on your mind?

Our expert team is ready 24/7 for your questions.

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