Expansion Joints
Built to Last.
Negi Engineering supplies and installs building expansion joints in Delhi NCR and across India — aluminium floor, wall, ceiling, roof and seismic joint covers, plus expansion joint waterproofing for malls, hospitals, factories and government buildings.
- Supply & on-site installation
- Custom engineered to spec
- Pan-India project delivery
Precision-Built Expansion Joints, Trusted Across Industries
For over 15 years, Negi Engineering has partnered with plant operators, EPC contractors, and OEMs to solve thermal movement and vibration challenges in critical piping and ducting systems. Every joint we supply is engineered, tested, and documented to withstand the demands of its site.
From first design review to on-site commissioning, our team stays close to the project — because a joint that fails isn't an option in the systems we work on.
Learn more about our capabilitiesEnd-to-End Expansion Joint Services
From engineering and supply through to installation and long-term maintenance — one partner for the full lifecycle.
Design & Engineering
Application-specific analysis and drawings for every joint we supply, from concept to final spec.
Testing & Quality Assurance
Pressure, cycle, and material testing carried out to international quality standards.
Installation & Commissioning
On-site fitting and commissioning support delivered by our field engineering team.
Maintenance & Repair
Scheduled inspection, repair, and replacement programs that extend service life.
Technical Consultation
Specification review and material selection guidance for new and existing installations.
Expansion Joint Systems We Supply
Floor, wall, roof and seismic joint systems, cover plates and waterproof membranes — supplied and installed across Delhi NCR and India.
Seismic System Expansion Joints
Aluminium floor, wall, terrace & self-aligning joint systems
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Expansion Joints Cover Plates
Aluminium & stainless steel covers for floors, walls and ceilings
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PTFE EPDM Membrane Expansion Joints
Watertight membrane joints for terraces, basements & floors
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Structural & Seismic Expansion Joints
Heavy-duty joint systems for buildings, bridges & plants
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Metallic Expansion Joints
Single & multi-ply stainless steel bellows
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Rubber Expansion Joints
Elastomeric joints for vibration isolation
View productBuilt for the Toughest Operating Environments
Our joints are engineered to perform in the sectors where failure is not an option.
Engineering You Can Depend On
Certified Quality
Every joint is checked and tested against recognized international standards.
Custom Engineering
No off-the-shelf compromises — each solution is engineered for your exact operating conditions.
Global Delivery
A reliable supply chain that delivers to project sites across India and abroad.
Lifetime Support
Our engineers stay involved after installation, with maintenance plans built around your plant.
Latest Project Photos
Expansion Joints in Delhi NCR & Across India
From our office in Chhatarpur, New Delhi, we supply and install expansion joints throughout Delhi NCR and take on projects in every major city in India.
Delhi NCR
- Delhi
- New Delhi
- Chhatarpur
- Gurugram
- Noida
- Greater Noida
- Faridabad
- Ghaziabad
Across India
- Mumbai
- Bengaluru
- Hyderabad
- Chennai
- Kolkata
- Pune
- Ahmedabad
- Jaipur
- Lucknow
- Chandigarh
- Dehradun
- Indore
- and more
The People Behind Negi Engineering
Vinod Negi
Founder & Managing Director
Aslam Saifi
Head of Manager
Expansion Joint Questions, Answered
Do you supply and install expansion joints in Delhi?
Yes. Our office is in Chhatarpur, New Delhi, and we supply and install expansion joints across Delhi NCR — including Delhi, Gurugram, Noida, Greater Noida, Faridabad and Ghaziabad.
Do you take projects outside Delhi NCR?
Yes. We supply and install expansion joints for projects across India, including Mumbai, Bengaluru, Hyderabad, Chennai, Kolkata, Pune, Ahmedabad, Jaipur and Lucknow.
How is the cost of an expansion joint worked out?
It depends on the joint type, size, finish, quantity and site location. Most products have a minimum order of 100 meters. Share your requirements and we will send you a detailed quotation.
Which types of expansion joints do you offer?
Aluminium floor expansion joints, wall and ceiling joint covers, vertical building joints, roof and terrace joints, seismic expansion joint systems, compression seals for parking decks, and expansion joint waterproofing and treatment.
Do you also install the expansion joints?
Yes. Along with supply, our own team carries out on-site installation, and we also repair and re-seal old or leaking expansion joints.
How can I get a quote?
Call or WhatsApp us on 062687 08532, email info@negiengineering.com, or send your joint width, length and site location through our contact page.