dBlue Plumbing System

  • Vertical and condensed living has made acoustic comfort more important than ever
  • The Marley dBlue system is made from a state-of-the-art combination of plastic and sound absorbing mineral filler (PP-MD) to maximise absorbance of sound
  • It offers a unique combination of acoustic performance, weight, resistance and mechanical strength
  • This system also has high temperature resistance so is ideal for use in commercial kitchens
  • Marley dBlue guarantees the proper functioning of your drainage system by combining training upfront, technical support during construction and (if required) inspection afterwards
  • 10-year warranty available (conditions apply)

Marley dBlue

Believe it or not, Marley dBlue is faster to install than traditional uPVC – watch this short video to see for yourself.

Why Marley?

Sales & Technical Support

Full range
of pipes and fittings available

Quality assured
Made to Australia / NZ Standards & independently certified

All our PVC and PE products are recyclable

NZ made
Most of our products are made right here in New Zealand

Proven reliability
with 60 years in the NZ market



Pipes 50, 75, 110 and 160mm 1 and 3m length

Bend 50, 75, 110 to 160mm 15 to 18 degrees

Socket Cap 50,75,110 to 160mm

Floor waste gully 110/50/50/50/75mm

Couplers 50/75/110/160mm Slip and stop couplers available

Junctions 45° “Y” and 88° “T” Junctions 50,75,110 to 160mm

PP/uPVC transition adaptors
PP 50mm to uPVC 40mm
PP 50mm to uPVC 50mm
PP 75mm to uPVC65mm

Reducers 50, 75, 110 to 160mm

Acoustic brackets 50, 75, 110 to 160mm


Technical Details

Acoustic Performance: 

Air-borne noise reduction

  • PP-Md material
  • Triple layer pipe

Acoustic vibration reduction

  • Tight rubber ring connection between pipe and fitting

Structure-borne noise reduction

  •  dBlue® acoustic bracket with rubber lining
  • Pipe and fittings from PP-Md


Compliance and Testing: 

dBlue is designed to be installed in accordance with AS/NZS 3500.2
The system complies with AS/NZS 7671 and has Watermark certification. The dBlue system has been developed under and a ISO 9001 quality management system and ISO 14001 environmental management system.


dBlue has been independently tested by the Commonwealth Scientific and Industrial Research Organisation and meets the required R + C 25 and 40 benchmarks without the need for lagging.

Comparative testing with uPVC and lagging based on using 13mm plasterboard and R1.5 insulation batts.

CSIRO is Australia’s national science agency, and is one of the largest and most diverse scientific institutions in the world with more than 50 sites throughout Australia and overseas.

Note. dBlue is not intended for exposed installations. To meet acoustic requirements in habitable areas, the system must be separated from the living space by an industry standard ceiling or wall structure.

dBlue has Certification to Australian and New Zealand Standards

AS/NZS 7671:2010 – Plastic piping systems for soil and waste discharge (low and high temperature) inside buildings – Polypropylene(PP)

  • WaterMark – WMK25729

AS/NZS 5065:2005 – Polyethylene and polypropylene pipes and fittings for drainage and sewerage applications

  • WaterMark – WMK25751

Branz appraisal – No 610


Dimension Tables: Click here

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Don’t risk your

by specifying or installing anything less.

  • Full range
  • Locally manufactured
  • Proven reliability
  • Recyclable