TNR Group — Sri Lanka's construction materials leader
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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TNR Group construction materials showcase
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
Barbed Wire
Barbed Wire
Wire Nails
Wire Nails
Zinc Aluminium Roofing Sheets
Zinc Aluminium Roofing Sheets
Cement Blocks
Cement Blocks
Steel Stirrups
Steel Stirrups
Interlock Paving Blocks
Interlock Paving Blocks
GI Roofing Sheets
GI Roofing Sheets
Roofing Accessories
Roofing Accessories
Why Choose TNR Group
25+ Years of Proven Strength
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
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
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
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
Partner for Growth
Trusted by contractors, hardware dealers, and households alike to deliver on projects big and small.
Testimonials
TNR is our go-to for roofing and steel products. Their service is professional and dependable. Mr. Sampath
Sampath Amano
Our iron works rely on consistent suppliers. TNR has delivered nails and steel that always meet our quality standards. Mr. Chandana
Chandana Iron Works
TNR roofing sheets and nails are of great quality. We value their on-time service. Mr. Sudesh
Sudesh Electricals
Our construction projects benefit from TNR’s timely deliveries and product reliability. Mr. Chaminda
Chaminda Construction
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
We appreciate TNR’s quick response and delivery schedules. The products always meet our expectations. Mr. Buddhika Liyanage
Daawindas
For our farm infrastructure, TNR supplied durable roofing sheets and nails. The materials have withstood tough conditions without issue. Mr. Chandana
Jaya Farm
Our projects demand reliability. TNR delivers roofing, steel, and nails that meet the mark every time. Mr. Anuranga
Holycross Builders
TNR has been a reliable partner, ensuring materials reach our sites on time without compromising quality. Mr. Shalinda
STC Constructions
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
TNR helps us keep our hardware store well-stocked. Their products move fast because customers trust the quality. Mr. Lakshmen
Lakshmen HW
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
Brands
Melwa
GTB
Captain Steel
Melwa
GTB
Captain Steel
Melwa
GTB
Captain Steel
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  • Access to dedicated product specialists.