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Why Seyon UPVC

Made in Avadi, for Chennai homes.

Seyon UPVC is a fabrication unit in Ayilcheri, Avadi. We measure, fabricate and fit uPVC windows, doors, ventilators, balconies and office partitions ourselves, so one team answers for your openings from the first site visit to long after handover.

Our name, our standard

பெரிதினும் பெரிது கேள்

"Ask for the greater than great", a line from Bharathiyar. We build to that standard.
The Seyon promise

Free site measurement. A written quote that names the profile, glass and hardware. Fitting by our own team. One number for service: 97911 10463.

What makes Seyon different

Seven reasons Chennai families choose us.

01Our own unit in AvadiYour windows are cut, welded and assembled at our Ayilcheri unit to your exact measurements, not bought ready-made.
02Latest machines, neat finishEvery frame is cut and joined on modern automatic machines. So each window fits your opening exactly, the corners are strong and seamless, and the finish is smooth, with no rough edges or gaps.
03One team, start to finishThe people who measure your openings are the people who make and fit them. No hand-offs, no blame between contractors.
04Everything in writingYour quote lists the profile series, glass, hardware, finish and quantities, so you know exactly what you are paying for.
05See it before you buyTry every frame colour against your wall colour, open it at sunset or night, and hear the noise difference in our live 3D showroom.
06Close by for serviceBased in Avadi, we can reach most of Chennai quickly for site visits, adjustments and after-sales support.
07A promise we can keepAs a new company, every home we finish is our reference. We would rather recommend less and deliver it well.

Built for Chennai weather

Monsoon, sea air, traffic and summer heat.

100% waterproof for the monsoonSealed frames keep October–December rains and wind-driven water outside, with no swelling or rotting like timber.
No rust near the coastuPVC does not corrode in salty sea air, so homes near ECR, OMR and the beach stay free of rust stains.
Up to 35 dB quieterMulti-chambered profiles and tight seals help keep out horns, buses, festival crackers and construction noise.
Up to 25% lower AC billsLower heat transfer helps rooms stay cool through Chennai's April–June heat.
Termite and dust resistantNo termite damage, and smooth surfaces wipe clean of road dust with mild soap and water.
Steel-reinforced and safeGalvanized-steel reinforcement for strength, and fire-retardant uPVC that is designed to self-extinguish.
20-year performance warranty + lifelong service support from Seyon

A responsible material choice

Fewer trees cut, less repainting, longer life.

Timber alternativeEvery Seyon frame is a window or door that did not need hardwood.
Long service lifeWeather resistance and low maintenance can reduce repeated finishing and replacement.
Lead-free and recyclableSeyon materials are declared 100% lead-free and recyclable for greener construction.
Energy comfortSeyon systems are designed to reduce heat transfer and AC costs by up to 25%.

Claims depend on the chosen profile system, glazing, building design and local recycling infrastructure.

Built for Chennai

See what heavy rain does to an old frame

Timber swells and rots in the monsoon, and aluminium corrodes near the coast. A sealed uPVC frame keeps the water outside. Press start to compare.

Old timber frame Press start to begin the rain.
Seyon uPVC frame Press start to begin the rain.
Illustration of how each frame behaves in heavy rain.