- Premium Tempered Glass Solutions
Custom
Shower Cubicles
& Glass Fit-outs
Transform your bathroom into a luxury space. Three Sinha delivers precision-fitted shower enclosures and tempered glass solutions backed by 55+ years of trusted Sri Lankan craftsmanship.
4.8 · 320+ Google Reviews
- 100% custom-measured and fabricated to your space
- Premium tempered glass - 5× stronger than standard
- Frameless, semi-frameless & framed options available
- Full installation by trained technicians - island-wide
- 24/7 after-sales support included
Get a Free Quote
- ⚡ Fast response - we reply within 2 business hours
- 🔒 Your information is private and never shared
- or call us directly
24/7
After-Sales
#1
In Sri Lanka
- Why Choose Three Sinha
Glass Solutions Built to Last.
Every installation is precision-engineered using premium materials and decades of fabrication expertise.
100% Custom Fit
Every piece is measured and fabricated to your exact space - no off-the-shelf products. A perfect fit, every time.
Premium Tempered Glass
Up to 5× stronger than standard glass. Safe, shatter-resistant, and compliant with building safety standards.
Fast Turnaround
From site survey to completed installation - we work efficiently so your renovation stays on schedule.
Frameless Designs
Clean, minimalist frameless and semi-frameless options that make any bathroom feel larger and more modern.
Full Range of Products
Beyond shower cubicles - glass railings, roofs, canopies, folding doors, sliding doors, and wall cladding all available.
24/7 After-Sales Support
Our service team is available around the clock to assist with any questions or issues after installation.
- Our Range
Everything in Tempered Glass
From bathroom enclosures to architectural glass - we design, fabricate, and install with precision.
- Most Popular
Shower Cubicles
Custom frameless and semi-frameless shower enclosures using premium tempered glass and quality hardware fittings.
- Trending
Frameless Glass Doors
Stacking and folding frameless glass door systems that create seamless indoor-outdoor living spaces.
- Premium
Glass Railings & Roofs
Elegant tempered glass handrails, balcony railings, roofs, and canopies combining safety with sophisticated aesthetics.
- Our Work
Installed Across Sri Lanka
- How It Works
From Inquiry to Installation
- Talk to a Specialist
Ready to elevate your space?
Speak directly with our glass specialists - get expert advice and a quote on the spot.
Sales lines open · Monday – Saturday · 8:00 am – 6:00 pm
58 Years
of unparalleled excellence
- Entrepreneur of the Year (COYLE) – 2025
- Best Inquiry Management (INCO) – 2025
- Sri Lanka Entrepreneur Award – Provincial (FCCISL) – 2025
- Sri Lanka Entrepreneur Award – National (FCCISL) – 2025
- CNCI Achiever Award – 2025
- NCCSL Best Entrepreneur Award (NCCSL) – 2025
- NCCSL Runners-up in Industry/Manufacturing (Large Category) – 2025
- NCCSL Best Entrepreneur in Financial Performance – 2025
- Customer Stories
Trusted by Thousands Across Sri Lanka
The shower cubicle looks absolutely stunning. The measurement and installation was flawless - exactly what I had in mind. Very professional team.
Thilini Jayawardena
Colombo 5
Had frameless glass folding doors installed for my living room. The quality is superb and the team completed everything in one day. Highly recommend.
Roshan Fernando
Nugegoda
Three Sinha did a glass canopy and railings for our new home. Exceptional craftsmanship and the after-sales support has been excellent throughout.
Priya Weerasinghe
Kandy
- Frequently Asked Questions
Everything You Want to Know
Yes – every shower cubicle and glass installation is 100% custom-made. Our team visits your property, takes precise measurements, and fabricates each piece specifically for your space. No standard sizes, no compromises.
Frameless designs use minimal hardware – the glass panels are held with concealed hinges and clips for a sleek, modern look. Semi-frameless has thin aluminium channels on some edges. Both options are available in our range.
Yes. In addition to residential projects, Three Sinha handles commercial glass installations including curtain walls, office partitions, hotel fit-outs, and large architectural glass facades.
We use premium tempered glass in 6mm, 8mm, and 10mm thicknesses depending on the application. Shower cubicles typically use 8–10mm tempered glass for maximum durability and safety.
Most standard shower cubicle installations are completed within a single day. Larger projects such as glass partitions, canopies, or multiple rooms may take 2–3 days. We’ll give you a clear timeline upfront.
Yes. Our installation teams cover all major districts across Sri Lanka including Colombo, Kandy, Galle, Negombo, Kurunegala, and more. Contact us to confirm availability in your area.