Right products, right advice - for all your building supplies, tools and more,

Western ITM – your trade partner in Whenuapai & Kumeu.

Featured products

LASERLITE 1000 POLYCARBONATE CURRGATED ROOFING SHEET CLEAR 3.0M

LASERLITE 1000 POLYCARBONATE CURRGATED ROOFING SHEET CLEAR 3.0M

$59.95
LASERLITE 1000 POLYCARBONATE CURRGATED ROOFING SHEET CLEAR 3.0M

The Laserlite brand has been around for years, and is some of NZ's highest performing roofing. This has a thicker UV protective coating than the Suncover and other entry level products, giving it a longer warranty. It's also available in 3 profiles and 4 colours.

  • Limited lengths and colours available for pick up in Kumeu or Whenuapai: Corrugated clear and grey in 1.8m, 2.4m, 3.0m, 3.6m, 4.2m
  • 25-year light transmission and 15-year performance warranty
  • Premium quality polycarbonate clear plastic roofing sheets available in corrugate, Greca and 5-Rib, clear, bronze, grey and opal
  • Suitable for commercial buildings, designer homes…and much more!
$59.95
GIB STANDARD PLASTERBOARD SHEET 10X2400X1200MM

GIB STANDARD PLASTERBOARD SHEET 10X2400X1200MM

$31.60
GIB STANDARD PLASTERBOARD SHEET 10X2400X1200MM

An economical wall and ceiling lining solution that delivers a seamless finish when joints are stopped with GIB® compounds—ready for painting or wallpapering. Easy to install, durable, and trusted on building sites nationwide.

  • Square Edge (SE): Creates a flat substrate for skirting or cove.
  • Tapered Edge (TE): Provides a recess for compounds and tape, ensuring a smooth, flat finish.

Key Features:

  • Versatile, easy to decorate, and simple to cut and fix
  • Solid fibreglass-reinforced core made from inert, non-toxic natural gypsum
  • Proudly NZ-made
  • Backed by the GIB® brand with comprehensive support
$31.60
DRICON RAPIDSET POST HOLE MIX 25KG

DRICON RAPIDSET POST HOLE MIX 25KG

$19.50
DRICON RAPIDSET POST HOLE MIX 25KG

RapidSet™ instant post hole structural concrete is dry bagged premixed concrete with special additives that will make the concrete set in 15 minutes (at 21 Degree Celsius) when added to water. Long term concrete expansion is minimised through use of fast set technology.

  • No bracing – just hold the post in position for a few minutes and RapidSet™ will go to work
  • No mixing – just pour water into the hole and slowly pour RapidSet™ straight into hole
  • After an hour you can carry on working as long as the area is not exposed to rigorous use.
$19.50
FENCE RAILS #2 H3.2 CCA ROUGH SAWN

FENCE RAILS #2 H3.2 CCA ROUGH SAWN

$3.38
FENCE RAILS #2 H3.2 CCA ROUGH SAWN

FENCE RAILS

#2 H3.2 CCA ROUGH SAWN

$3.38/LM

$3.38

Build with Confidence

When you choose Western ITM for your frame and truss needs, you're partnering with a company that has been a trusted name in Auckland's building and construction industry for over 45 years.

Complete the form below and our team will be in touch with info, pricing or next steps.

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Your Shed, Your Way

Whether it’s for farm equipment, a horse shelter or stable, a workshop, or storage for your boat or caravan, here at Western ITM we’ll help you design the ideal shed. We supply all the materials you need—and if you don’t have a builder, we can even refer you to a trusted local professional.

Complete the form below and our team will be in touch with info, pricing or next steps.

Contact now