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Ownadd Engineering
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Portfolio Category: Septic Tanks & Soakage Pits

Ownadd EngineeringSeptic Tanks & Soakage Pits

Septic Tanks & Soakage Pits

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About Company

Ownadd Engineering is a leading Sri Lankan manufacturer of high-quality precast concrete products — including Hume Pipes, Fence Posts, Septic Tanks, Soakage Pits, Interlocking Blocks, and Solid Blocks.

With modern factories in Tharmapuram and Mankulam (A9 Road), we deliver durable, reliable, and certified precast solutions for construction and infrastructure projects across Sri Lanka.

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Construction Office

A9 Road, Mankulam,
Sri Lanka
076 478 1078
ownaddengineering@gmail.com
Tharmapuram & Mankulam Factories

Business Hours

We are available during business hours to assist with all inquiries and project requirements.

  • Monday – Saturday: 8.00 AM – 5.00 PM
  • Sunday: Closed
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