Culvert Sock

Portable Watercourse - Culvert Duct - Culvert Flume

Cost effective, simple solution to prevent erosion.



Our culvert ducts are made in our factory in Nelson and we are able to provide lengths to suit with a rapid turnaround time.

  • Stop scouring by directing water away from erosion-prone ground to a harder surface
  • Flexibility of PVC reduces water flow
  • Available to fit 100mm - 900mm plastic, steel or concrete pipe. Custom sizes and colours also available
  • Constructed from top quality 690gsm Ripstop PVC fabric
  • Simple and quick to install with stainless steel clamps
  • Welded construction for strength, durability and waterproofing
  • Reinforced top edge to prevent fabric fatigue
  • Option of eyelets or shorteners (to hammer waratah through) for secure attachment to the ground
  • Stainless steel clamps also available

Also know as a culvert flume, culvert sock or an aqua duct - whatever you call it, we can make them!

Fabric Properties

Weight 690gsm
Base Cloth Polyester 1100 Decitex
Weave 1 x 1 per cm
 Coating PVC paste coated
 Surface Finish High gloss ROWACRYL protective finish
 UV Stability AS2001.4.21
 Tear Strength 700/600N
 Tensile Strength 2800/2300N
 Adhesion 90 Newtons per 50mm minimum
 Flexing 400,000 cycles minimum AS1441.6
 Ease of Repair PVC is very easy to repair on-site if necessary
TM Covers Culvert Duct Brochure
TM Covers Culvert Duct.pdf
Adobe Acrobat Document 3.0 MB

Showroom and Factory

143 St Vincent Street


New Zealand


Telephone 03 546 6809

Freephone 0800 665 506


Facebook TM Covers


Opening Hours

Monday - Friday 8am - 5pm

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