Okotech uPVC windows (India’s second largest selling brand of uPVC windows in value and numbers, both)

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Okotech upvc is the most reliable Manufacturer of upvc windows in India. We design windows which are customized as per the needs of the customers. uPVC is perfectly suited for Indian climatic conditions and we adhere to very high quality standards.

These windows protect your living space from dust, rain and noise pollution. These windows are very durable and sturdy. They can last for years and are a value for money. They provide energy efficiency and comfortable living conditions. Our UPVC windows are of international quality and are suited for variety of ambience. These windows are fire resistant and strong. They are reasonable priced and low maintenance. Repainting is not required as these windows are stain proof. They can just be wiped clean and they begin to look like new.

They come in a lot of varieties. UPVC sliding windows slide horizontally to their left and right on two tracks and panels. They also come in a combination of fixed and slider window joined with the help of a coupler. A bug screen can also be provided by adding an additional track. Casement windows are also offered which are side hung windows and open inside or outside. They come in combination of fixed and moving windows. Arch windows are also available and come in a width of 3 meter.

Tilt and turn windows are also available. They tilt at an angle from the top. The tilt position offers good ventilation. Tilt and turn function takes place with the help of a single handle. Special windows can be made as per customer requirements such as circular or hexagonal. We also provide windows with colour laminations and the laminations are imported from Germany. Energy saving glasses are also available and are very useful in maintaining low temperatures in a building.

Our windows and doors are waterproof and leak proof. Saline water has no adverse effect on these windows and doors. Humidity also does not harm these windows/doors as these are made to handle hot and humid conditions. These window/doors are corrosion free and termite free. Termites cannot destroy UPVC. Multiple locks can be incorporated in these doors and windows making them safe. Our products are very durable and heat insulated. These products are environment friendly and meet all the norms. They are energy saving and keep a room cool and pleasant. They do not allow fire to spread.

State of the art technology

The manufacturing equipment are imported from Germany to maintain accuracy and quality in the manufacturing process. The doors and windows are reinforced by galvanized steel sections for strength. We have our own roll forming unit to manufacture these sections. We have the largest profile bending machine in India to manufacture arched windows. Our UPVC are lead free.


uPVC WINDOWS Section advantages

UPVC does not contract, expand or wrap. The doors and windows are double weather sealed. They are sound proof and have multi locking system. There are variety of windows such as arch, sliding and bay. These UPVC frames are nonconductor of heats thereby keeping a room cool. Our doors and windows are strong, durable and not affected by termites. These products are very low maintenance with no requirement for repainting. They can be wiped clean. We also provide custom made windows. These products are fully recyclable. The hardware we use are high quality and durable. These products are suited for green buildings.


A Sliding window is of 2 track 2 panels or more that slide horizontally, to the left or right on the tracks. The sliding window can be wider and taller with the addition of sashes. The track on which the sash slides is slightly raised to prevent dust from settling in the track. A Slider window can also be offered in a combination of fixed and slider window joined with a coupler. We can even provide bug screen for a slider window by providing extra track.


This window is also called a side hung window which opens inside or outside. The top hung is a window which opens from bottom to top. The above can also be offered in a combination of fixed and openable windows. The sash is connected to the outer frame by means of friction hinges or butt hinges.


The arch window can be offered with a maximum width of 3 metres per arch.


Tilts at an angle from the top like a bottom hung or opens sideways like a casement window. The tilt position is for ventilation. Both operations take place with a single handle with a specialized built in hardware.


We can make special windows as per customer’s requirement. These can be of non standard shapes and sizes. Hexagonal, Circular Windows and Duct Covers are some of the non standard windows.


We can also offer windows made with special weather resistant coloured laminations. The coloured laminations are imported from Germany.

Energy Saving

Energy saving Insulated Glass Units can be up to 3 times more effective as normal glass at maintaining cool temperatures within a building.


Our double sealed windows and doors are fully resistant to strong tropical rain and remain leak proof.

Salt Water

Saline water has no effect on our Windows and Doors.


Our windows will not warp, rot or break down in hot and humid climates.


Hardware fittings used for windows are free from corrosion.


Such insects often destroy wooden windows and wooden sub frames for aluminium windows in tropical climates, but termites cannot attack uPVC.


Multi-point high security locks can be incorporated into windows and doors. All locks and fittings are screwed into the steel core of the window and door framing.


Designed to last for your property’s lifetime. These products never need painting and will look as good as new for decades.


Aparna uses lead-free, environment-friendly uPVC profiles to meet greenline norms of European companies.


With a heat insulation at least 2.2 times better than Aluminium windows, our uPVC windows let you save a lot of energy, and keep your home cool and comfortable.


Ideally suited to seaside locations and for use in high-rise buildings, our windows maintain their strength through fully reinforced galvanized steel inner frames.

Noise Reduction

The double-seal system in our windows and doors combined with insulating glass greatly reduces noise by 30-40 dB.


uPVC is self-extinguishing – it will not allow fire to spread due to fire retardant used in the mix. Profiles are manufactured to DIN standards.


The entire equipment for manufacturing of uPVC window and door systems has been imported from WEGOMA, Germany to ensure high reliability and accuracy in the manufacturing process. The profiles for windows and doors are reinforced with galvanized steel sections for additional strength to withstand high wind loads. For production of these steel sections, Aparna has its own roll forming unit.

In addition to standard window and door configurations, Ventilators, Arch windows, Bay and Circular windows are also produced. Aparna uPVC division has the largest profile bending machine in India that can produce arches with max of 3m radius. In a very short span of time, Aparna has produced and installed a large number of arch windows.

Aparna uses lead-free uPVC profiles that are made with calcium-zinc stabilizers instead of lead stabilizers.

Aparna has complete backup from reputed German companies for the manufacture of uPVC window and door systems.


  • Unlike Wood, uPVC does not warp, contract, or expand with weather changes.
  • Okotech uPVC windows and doors are double weather sealed with high quality EPDM gaskets, have multi-point locking system which makes it very effective in sound insulation.
  • Gives the flexibility to make any window from Sliding to Arch and Bay windows.
  • Unlike Aluminum, uPVC does not transfer heat through the frame. uPVC profile is a non conductor of heat which makes it an excellent product for thermal insulation which results in lower electricity bills.
  • Keeps the windows and doors free from termite attack. Our window profiles are reinforced with Galvanized steel for long term protection and strength.
  • Does not fade or de-colour. Requires minimal maintenance – no protective painting is required, eliminating recurring maintenance costs.
  • Custom made windows are available.
  • Products are ecologically sound, because they are 100% recyclable.
  • We use high quality hardware which ensures smooth operation and long life. Our trained professionals ensure that windows and doors are properly installed.
  • Ideally suited for Green buildings.

Our uPVC windows comes with 10 years of written warranty.

We are doing 11 towers of 22 stories each (in uPVC windows) for Godrej properties, also 2 towers for XERBIA (Nahar LLC). We have 13 different certification approved by CEPAC (GOVT of India)

  1. Our factory is located in MIDC, Chikalthana, Aurangabad, with an area consisting of 15000 Sq Ft, the machine specifications available with us are as under.
    1. Foam Italy Make Panda 400 cutting Machine
    2. Foam Italy Make Calco Copy routing Machine
    3. Foam Italy Make JET End Milling Machine
    4. Foam Italy Make Punching Machine
    5. CNC Corner Cleaning Machine
    6. Three Head Welding Machine
    7. Glazing Bead Saw
    8. V- Cutting Machine
  2. Our Most Esteem Customers
    1. Khinvansara Goldplex & Corporate Office, Aurangabad- Total 50000 Sq Ft Facade Work
    2. PDC Bank, Rajgurunagar, Pune- Total 35000 Sq Ft Facade Work
    3. Piramal Enterprises Limited, Chennai Factory- Total 5000 Sq Ft uPVC Okotech Windows
    4. Zensar Software, Pune -Total 35000 Sq Ft Facade Work includes 12mm Glass Cafeteria
    5. Ashokraoji Chavan- Ex CM Bungalow Nanded – Eternia Windows, 4500 Sq Ft
    6. Xrbia’s flagship project ( balewadi ), Pune, uPVC Okotech Windows, Total 25000 Sq Ft
  3. OUR current facade & uPVC Windows projects under execution
    1. Unique Paper Company Chakan Pune- Total 25000 Sq Ft Facade Work
    2. Mr. Anil Kaspate Commercial Building, Wakad- Total 10000 Sq Ft Facade Work
    3. Talera Ford Showroom Nigdi- Total 12000 Sq Ft Sq Ft Facade Work
    4. Shiv Tiles, Akluj- Total 11000 Sq Ft Sq Ft Facade Work
    5. Rajshahi Clothing Showroom— Total 15000 Sq Ft Sq Ft Facade Work
    6. Xrbia’s flagship project ( balewadi ), Pune, uPVC Okotech Windows, Total 25000 Sq Ft
    7. Piramal Enterprises Limited, Chennai Factory- Total 5000 Sq Ft uPVC Okotech Windows
  4. We have uPVC labor team (60 to 70 labor personnel – 6 team of labor contractors)
  5. All sash cutting, fabrication, glass glazing at a factory (Aurangabad factory) All structure work shall be fixed at site such as (mullion, transom & bracket fixing)
  6. Two nos. site supervisor, one no. site & one no. site design engineer.
  7. Project completion Period – 1 Month.
  8. All uPVC Test Certificate shall be provided
  9. Silicon sealant & spacer tape with test certificates-shall be provided

Please feel free to contact us in case of any clarifications and further techno-commercial discussions.