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    • Aluminium Standard Extrusion
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      T-slot System
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      Aluminium Fence System
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      Aluminium Balustrade System
      Advanced Aluminium Louvre System
      Aluminium Louvre System
      Entry Door Systems
      Aluminium Entry Doors
      Robust Aluminium Security System
      Security System
      Functional Kitchen and Wardrobe Systems
      Kitchen & Wardrobe Systems
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      Construction & Landscaping Solutions
      13-Steel-Sheet-Galvanized-Sections
      Steel Sheet , Galvanized Sections
      921fe5f4c22887a11990f8df8694344
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      Aluminium Canopy System
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      Aluminium Window & Door
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      Comprehensive Product Catalogue
      Comprehensive Catalogue
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      Cast Iron Tube Connectors
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      GARDEN EDGE SYSTEM
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      ARTIFICIAL GRASS V4
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  • Aluminium Standard Extrusions
    • Equal Angle
    • Unequal Angle
    • Flat Bar
    • Rectangle Hollow
    • Round Tube 6063-T5 6061-T6
    • Scaffold Tube 6061-T6
    • Solid Round
    • Solid Square
    • Square Hollow
    • Tee Bar And Z Section
    • U Channel
    • Stair Nosings Mouldings
    • Powder Coated Extrusion
  • Aluminium Entry & Security Doors
    • Vertical Series Door
    • Edge frame Series Door
    • HoneyComb Series Door
    • Double Door
    • 316 L Stainless Steel Mesh Door
    • Aluminium Security Grille Door
  • Aluminium Fence Aluminium Gate
    • WPC Fence
    • Garden Bound Fence Gate
    • Commercial Fence Gate
    • Pool Fence Gate
    • Construction& Landscaping Solutions
    • Fence post Fence Gate accessories
  • Construction Landscaping Solutions
    • Y Post
    • Fence Wire System
    • Garden Essential
    • Temporary Fence System
    • Barbed Razor Wire
    • Fence Mesh System
    • Synthetic Turf Solution
  • Aluminium Sheet
    • 5005 H34 Flat Sheet General Purpose
    • 5052 H32 Flat Sheet Marine Grade
    • 5052 H114 Standard Tread plate 5 bar pattern
    • 5083 H116 Flat Sheet Marine Grade
    • 6061 T6 Flat Sheet Structural
    • Honeycomb Panel Decorative
  • Aluminium T-Slot Systems
    • T-Slot Profiles
    • T-Slot Accessories
  • Steel Galvanized Sections
    • Galvanized Square Hollow
    • Galvanized Rectangular Hollow
    • Galvanized Angle
    • Galvanized Flat Bar
    • Hot Rolled Plain Black Steel Flat Bar
    • Galvanized Round Tube
    • Galvanized Solid Rod
    • Galvanized Solid Square
    • Scaffolding, fencing accessories
  • Steel Sheet Cold Rolled/ Hot Rolled
    • Mild Steel Cold Rolled Sheet
    • Hot Rolled Steel Tread Plate
    • Galvanized Sheet
  • Aluminium Window & Door Systems
    • Window And Door Extrusion
    • Security Grille Sheet & Mesh
    • Security Door & Window
    • Accessories
  • Kitchen Bath Systems
  • Louvre System
    • Square Blade
    • Fusiform Blade
    • Heat Pump Cover System
  • Canopy Pergola Systems
    • A3 Canopy
    • A5 Canopy
    • A8 Canopy
    • Entry Canopy
    • Canopy Accessories
  • Screws Fasteners
    • Bolts , Nuts & Anchors
    • Building Screws
    • Window & Door Screws
    • Other Screws
  • Traffic Safety Products
  • Miscellaneous & Accessories
  • About us
  • Products
    • Aluminium Standard Extrusion
      Aluminium Standard Extrusion
    • Aluminium Sheet, Plates and Panels
      Aluminium Sheet, Plates and Panels
    • T-slot System
      T-slot System
    • e48318a7cc3ba39f713810e1485e320
      Aluminium Fence System
    • Elegant Aluminium Balustrade System
      Aluminium Balustrade System
    • Advanced Aluminium Louvre System
      Aluminium Louvre System
    • Entry Door Systems
      Aluminium Entry Doors
    • Robust Aluminium Security System
      Security System
    • Functional Kitchen and Wardrobe Systems
      Kitchen & Wardrobe Systems
    • 37e4406c306a114b83c5d8a4b0401ef
      Construction & Landscaping Solutions
    • 13-Steel-Sheet-Galvanized-Sections
      Steel Sheet , Galvanized Sections
    • 921fe5f4c22887a11990f8df8694344
      Screws
    • Durable Aluminium Canopy System
      Aluminium Canopy System
    • Aluminium Window and Door System
      Aluminium Window & Door
    • Safety-Traffic
      Safety & Traffic
    • Comprehensive Product Catalogue
      Comprehensive Catalogue
    • a98e303018d8c8b228f8b635d387abb
      Cast Iron Tube Connectors
    • c13395573ac0fa30d217d0084103666
      GARDEN EDGE SYSTEM
    • 9ee60a88fe727e60aa2f9deef631e65
      ARTIFICIAL GRASS V4
  • Technical Resource
  • Shop
  • Contact
    • Albany Branch
    • Manukau Branch
    • Christchurch Branch (Coming Soon)
  • Facebook
  • Ins
  • My account
Search
SDALU Company Logo
  • About us
  • Products
    • Aluminium Standard Extrusion
    • Aluminium Sheet, Plates and Panels
    • T-slot System
    • Aluminium Fence System
    • Aluminium Balustrade System
    • Aluminium Louvre System
    • Aluminium Entry Doors
    • Security System
    • Kitchen & Wardrobe Systems
    • Construction & Landscaping Solutions
    • Steel Sheet , Galvanized Sections
    • Screws
    • Aluminium Canopy System
    • Aluminium Window & Door
    • Safety & Traffic
    • Comprehensive Catalogue
    • Cast Iron Tube Connectors
    • GARDEN EDGE SYSTEM
    • ARTIFICIAL GRASS V4
  • Technical Resource
  • Shop
  • Contact
    • Albany Branch
    • Manukau Branch
    • Christchurch Branch (Coming Soon)
  • Facebook
  • Ins
  • My account

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SD ALUMINIUM

Blogs
Steel and aluminium box section profiles side by side showing square and rectangular hollow sections

April 21, 2026

Steel vs Aluminium Box Section NZ: Which to Use

Steel or aluminium box section for your NZ project? A plain…

by Aira

Blogs
Aluminium fence panel next to a steel fence on a New Zealand residential boundary

April 21, 2026

Aluminium vs Steel Fencing NZ: Pros, Cons and Best Uses

Aluminium or steel fencing for your NZ property? A plain…

by Aira

Blogs

March 24, 2026

Aluminium Sheet NZ: Grades, Sizes & How to Choose the Right One

by Aira

Blogs

March 24, 2026

Temporary Fencing NZ: Hire vs Buy, Costs & What You Need to Know

by Aira

Aluminium Product
aluminium t-slot

February 23, 2026

Aluminium T-Slot Systems for Flexible Modular Structures

by Mia

galvanized square steel
galvanized square steel

February 23, 2026

Galvanized Square Steel for Strong and Reliable Structures

by Mia

Blogs
in ground fence post

January 29, 2026

Fence Post Types Explained: How to Pick the Right Post for Your Fence

by ww ww

Blogs
concrete screw

January 29, 2026

Concrete Screws Explained: How to Choose the Right Masonry Anchor for Concrete, Brick & Stone

by ww ww

Blogs
speed bumps

December 18, 2025

Why High-Quality Speed Bumps Are Essential for Safer Roads in 2026

by ww ww

Blogs
temporary fence

December 18, 2025

Temporary Fence Solutions for 2026 Projects in New Zealand

by ww ww

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    North shore branch

    Address: 6 John Glenn Avenue, Rosedale, Auckland 0632, New Zealand

    Phone(English Service): 092182188

    Phone: 09 218 2111

    Phone(Chinese Service): 021345999

    Mail: info@sdalu.co.nz  info.albany@sdalu.co.nz 

    Working Hour: Monday-Sunday 8:00 – 17:30

    South branch

    Address:  28-30 Ryan Place Manukau City Centre Auckland 2104

    Phone: 092178666

    Phone: 021685608

    Phone(Chinese Service): 021345999

    Mail: info.manukau@sdalu.co.nz

    Working Hour:  Monday – Saturday  8:00 ~ 17:30

    Christchurch branch (Coming Soon)

    Address: 67 Vickerys Road, Wigram, Christchurch 8042

    Phone: 03 366 6669

    Phone(Chinese Service): 021345999

    Mail: info@sdalu.co.nz

    Working Hour:  Monday – Friday: 8:00 ~ 17:00

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      Swing Gate Swivel Wheel - Ø120mm Solid Nylon Wheel
      Swing Gate Swivel Wheel - Ø120mm Solid Nylon Wheel
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