

Casement uPVC Doors
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Provides for inside and outside opening doors such as internal doors as well balcony doors.
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Mainly recommended and used for dust and weatherproofing.
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Compatible with International hardware.
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Maximum width allowed per leaf is 1200 mm.
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Glass safety can be achieved by using toughened or laminated glass.
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French door Or door with mullions needs to be analysed on a case to case basis.
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The threshold is optional. It is advisable to use a threshold for achieving better acoustic and thermal performance.
Advantages
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Versatile and reliable door solution for balconies.
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NO threat Of undue deflection as the frame is firmly attached to the wall.
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Sturdy and durable.

Sliding uPVC Doors
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Ideal for properties where one side wall is replaced by window/door opening.
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It can handle a large opening allowing a larger influx Of air & sunlight.
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We have also designed 3 track 3 shutters or 3 track 6 shutters which give ample choice to architects and developers.
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It can be used as a large balcony door and Floor to ceiling windows.
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Bigger sizes can be made with wind load resistance on the interlock section.
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Inventa slider system is ideal for architecture which promotes more light and open space.
Advantages
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Aesthetics are judiciously designed to ensure strength and shine over double bevel.
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Designed with minimum air leakage to prevent dust, noise and thermal leakage
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Allows more light and better view with minimum vertical separator.
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Strength of window is further enhanced with wind resistance booster bars to allow bigger size window to be made.
Slide & Fold uPVC Doors

Another exclusive design from Ratnam's kitty is the Bi-Fold solution. Bi-folds are increasingly getting into demand due to the ability to open 100% and cover wide openings. Besides, the weather tightness performance is comparable to any good casement systems thus avoiding the downside Of conventional sliding doors.
Advantages
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Used in high rise buildings where huge openings to balconies are covered like the doors in hall opening to the balcony outside.
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Used in the villa to merge inside and outside space.
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It is sturdy against heavy winds and rains.
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For structural safety, a thorough analysis is required while installing these doors.
uPVC Doors Design Patterns
