Welcome to TNR Group, Sri Lanka’s leading provider of construction materials. From roofing to steel and cement bricks, we’re committed to delivering innovative solutions that meet the highest standards of quality and reliability. With over 25 years of experience, we are your trusted partner for projects big and small.

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Our Divisions
TNR ENTERPRISES
Distributing building materials to
Hardware stores Island wide.
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TNR Roofing
Premium roofing solutions designed for Sri Lanka’s diverse weather conditions.
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TNR Ironwill Steel
Leading in steel production and refabrication for strong and durable structures.
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TNR Cement Bricks
Manufacturer of eco-friendly cement blocks and interlock paving.
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TNR Showroom
Retailing our diverse product range in Wennappuwa and surrounding areas.
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Products
Zinc Aluminium Roofing Sheets
Wire Nails
Cement Blocks
Interlock Paving Blocks
GI Roofing Sheets
Steel Stirrups
Roofing Accessories
Barbed Wire
Why Choose TNR Group
25+ Years of Proven Strength
A trusted name in roofing, steel, nails, barbed wire, and cement products—supporting Sri Lanka’s builders for over two decades.
Engineered for Reliability
In-house quality control processes at every stage of manufacturing to ensure durability, consistency, and performance our customers can rely on.
End-to-End Solutions
From roofing sheets to interlock paving, we manufacture and distribute a focused range of core construction essentials under one roof.
Nationwide Reach, On-Time Delivery
Extensive islandwide distribution network with regional hubs ensures your materials arrive when and where you need them.
Partner for Growth
Trusted by contractors, hardware dealers, and households alike to deliver on projects big and small.
Testimonials
For our farm infrastructure, TNR supplied durable roofing sheets and nails. The materials have withstood tough conditions without issue. Mr. Chandana
Jaya Farm
We appreciate TNR’s quick response and delivery schedules. The products always meet our expectations. Mr. Buddhika Liyanage
Daawindas
TNR roofing sheets and nails are of great quality. We value their on-time service. Mr. Sudesh
Sudesh Electricals
We rely on TNR for our rebar and roofing needs. The team always delivers as promised, and the customer service is excellent. Mr. Milroy
St. Mary’s Construction
Having worked with many suppliers, TNR stands out for consistency and professionalism. Their roofing products are a cut above the rest. Mr. Inol
Inol Constructions
As an iron works company, we are particular about material quality. TNR has never disappointed us in strength or finish. Mr. Nishantha
Shawon Iron Works
As a housing developer, we rely on suppliers like TNR. Their products and service make our job easier. Mr. Upali
Samagi Homes
TNR has been our trusted supplier for steel and roofing. Their delivery is reliable, and the quality is consistent, which helps us complete projects on time. Mr. Chandimal Fernando
Ponnamperuma Construction
The roofing solutions provided by TNR were cost-effective and reliable. We are satisfied with their service. Mr. Dilantha Fernando
Lihini Polypack
When building our facilities, we chose TNR for roofing and steel. The durability has been proven over time. Mr. Keerthi
First Gate Travels
We depend on TNR for our roofing and nails. Their supply chain is efficient, which is critical for our business. Mr. Keerthi
Keerthi Iron Works
TNR provides consistent quality materials, which reduces our site-level issues. Their delivery coordination is also smooth. Mr. Rupas
Rupas Contractors
Brands
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