The profiles must conform to EN 12608:2003 severe climatic condition and their class must be specified by the manufacturer clearly printed on the profile so that the customer can identify the brand/ original manufacturer and the standard followed. UWDMA through Bureau of Indian Standards is working on a standard for the Indian market based on the EN 12608 with certain parameters adapted to suit the Indian climatic conditions and test ability. A draft copy of the current UWDMA standards can be downloaded through this link.....
In the absence of Indian standards for uPVC windows and doors, UWDMA has made a draft specification universally accepted by all industry leaders and practiced by them. Some of the international standards prevalent today in the market for uPVC windows and doors are:-
Glass forms one of the most important part of the window and contributes maximum towards light and heat ingress throught it. As lot of pioneering work has been done by the Glass industry we recommend the following guidelines to be followed for the same:
International suppliers are requested to study the above guidelines as they are currently being practised by leading Indian glass processors.
It is important to understand the key features which influence the cost and quality of the window you buy:
Some of the proud window producers who are members of UWDMA and support the cause are listed in Member section
*** UWDMA doesn't guarantee or qualify the supplier. It merely acts as a guiding star for the buyer to recognize the good traits of windows. Commercial and contractual obligations are left to the concerned parties.
The 4 main components of uPVC windows and doors are Profile, Machinery, Hardware and Glass.
Characteristics of Good Profiles are listed in the Specification section and some of the industry leaders are already members of UWDMA – please refer member section.
Capacity Calculation for 2 track 2 shutter Sliding Window.
uPVC window production capacity is determined by the welding machine. With a double head welding machine, one can produce 1 square (frame or shutter) in 6 minutes. A 2 track 2 shutter window as the name suggests has 1 frame (square) and 2 shutters (2 squares). One would need 18 minutes to make a window. In 8 hours one can do 32 windows.
Some of the machinery producers who are members of UWDMA and support the cause are listed in Member section.
uPVC Windows and Doors need quality hardware to make them operate and function year after year. Quality, strength and ease of operation is the key for good hardware. Some of the hardware and their features are:
Some of the hardware producers who are members of UWDMA and support the cause are listed in Member section.
Window production sponsored videos.
*** UWDMA doesn't guarantee or qualify the supplier. It merely acts as a guiding star for the buyer to recognize the good traits of windows. Commercial and contractual obligations are left to the concerned parties