BIS Certification for UPVC Profile Windows and Doors IS 17953:2023 - NCL VEKA Private Limited, Hyderabad | Standphill India

Standphill India successfully completed BIS ISI Mark certification under IS 17953:2023 for NCL VEKA Private Limited - a premium UPVC profile window and door manufacturer based in Nanakramguda, Hyderabad, Telangana. The BIS license bearing number 6300****** was officially granted on January 21, 2025. Standphill India managed the entire certification process from initial factory assessment to final license grant.

NCL VEKA Private Limited is a UPVC profile window and door manufacturer based in Hyderabad — part of the VEKA Group, one of the world's largest manufacturers of high-quality UPVC window and door profiles with origins in Germany. The Indian entity NCL VEKA brings this international manufacturing expertise to the Indian market, producing UPVC profiles that meet global standards for quality, thermal performance, and durability.

Hyderabad has grown into one of India's most important markets for premium construction materials — driven by rapid urbanisation, large-scale residential and commercial development, and a growing appetite for high-performance building products. UPVC windows and doors have become a preferred choice across these projects for their weather resistance, thermal and acoustic insulation, low maintenance, and long service life.

With BIS ISI Mark certification under IS 17953:2023 now mandatory for UPVC profile window and door manufacturers, NCL VEKA Private Limited engaged Standphill India to navigate the complete certification process — and the license was successfully granted on January 21, 2025.

IS 17953:2023 is the Bureau of Indian Standards specification for UPVC (Unplasticised Polyvinyl Chloride) profile windows and doors — defining the quality, performance, and testing requirements that manufacturers must meet before their products can carry the BIS ISI Mark.

UPVC profile windows and doors are tested across a comprehensive range of performance parameters under IS 17953:2023 including:

• Material composition and quality of UPVC profiles used in window and door frames
• Dimensional accuracy and profile tolerances
• Mechanical strength of the frame and sash under operational and structural loads
• Weather resistance — performance under rain, UV exposure, and temperature cycling
• Air permeability — the standard of air tightness the window or door maintains when closed
• Water tightness under defined pressure conditions
• Wind load resistance — structural performance under lateral wind pressure
• Thermal transmittance performance
• Hardware and fitting compatibility and durability requirements
• Marking and labelling requirements for certified UPVC profile windows and doors

BIS certification under IS 17953:2023 is mandatory under the BIS Act, 2016 for all UPVC profile window and door manufacturers in India. Beyond legal compliance, BIS-certified UPVC products are increasingly specified in project tenders, green building ratings, and procurement requirements of real estate developers, construction companies, and government infrastructure projects.

Standphill India handled everything — factory gap analysis at the Nanakramguda facility, complete IS 17953:2023 documentation, BIS application filing, product testing coordination at a BIS-recognised laboratory, on-ground audit support, and post-audit follow-up until license 6300****** was granted on January 21, 2025. First-attempt success at both testing and audit.

Getting a product certified is one thing. Getting it done right - without back-and-forth, without failed audits, without wasted months - is another. That is exactly what Standphill India has been doing for over 20 years.

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