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Come to Us for All Types of Drainage Supplies in Southwestern Ontario

Do you require steel or HDPE culverts for your municipal project? Are you planning to change the drainage system around your home? Underground Specialties can help you! We carry a full line of sewer and drainage supplies in Southwestern Ontario region and surrounding areas for homeowners and municipal contractors. Check out the complete list of products below:

  • Concrete pipes

  • Sump pits

  • Backwater valves

  • Plastic sump pits

  • Flexible couplings

  • Plastic catch basins

  • Floor drains

  • Sewer cleanouts

  • Trench drains

  • Schedule 40 PVC pipes and fittings

  • Galvanized steel culverts

  • Aluminized steel culverts

  • Boss and N12 HDPE pipe

  • Big-O drain pipe

In addition to the above listed products, we also carry gabion baskets, filter cloth, rear yard drains, platon membrane, Big O drain tubing and pop-up drains. Contact us today. You can have our products delivered to your job site.

Different Types of Materials We Carry

  • PVC Pipes & Fittings

  • SDR Pipe & Fittings

  • HDPE pipe

  • Steel Culverts

Sewers, Drainage Pipes and Fittings from Noted Brands

  • IPEX

  • Armtec

  • Aqua Q™

  • ADS Canada

  • Canada Culvert

  • Royal Pipe & Fittings

Having Issues with Your Piping System?

Let us provide you with branded water pipes and valves to resolve the problem.

Get in Touch


Underground Specialties

5340 Walker Rd, Oldcastle, ON, 

N0R 1L0

Phone: 519-737-1263

Fax: 519-737-1712



Monday – Friday: 7:00 AM – 5:00 PM
Saturday – Sunday: Closed

Other Addresses

Chatham Location:

25 Borrowman Street, Chatham, 

ON, N7M 5J5

Phone: 519-354-9243

Fax:  519-354-7064




Monday – Friday: 8:00 AM – 4:00 PM

Other Addresses

Cambridge Location:

1-131 Shearson Crescent, 

Cambridge, ON, N1T 1J3


Phone: 519-622-3185

Fax: 519-622-4666



Monday – Friday: 7:00 AM – 5:00 PM


Southwestern Ontario region and surrounding areas


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