Blogs - SD ALUMINIUM

Two dark aluminium entrance doors on modern New Zealand homes, one with a glass sidelight and one with vertical boards

October 28, 2026

Aluminium Door Installation NZ: 7 Steps Before You Fit

Cold rolled, galvanised and tread plate steel sheets laid side by side on timber bearers in a metal supply warehouse

October 28, 2026

Steel Sheet NZ: Cold Rolled vs Galvanised vs Tread Plate

Galvanised steel round tubes in several diameters stacked on a warehouse rack

October 13, 2026

Steel Tube vs Steel Pipe NZ: Galvanised Sizes Explained

Yellow bolt-down safety bollards with black bands in front of a warehouse roller door

October 13, 2026

Safety Bollards NZ: Bolt-Down vs In-Ground, Sizes, Spacing

Aluminium pergola with a louvre roof over a timber deck in a New Zealand backyard

July 14, 2026

Aluminium Pergola NZ: Patio Cover and Louvre Roof Buying Guide

Aluminium security screen door on a modern New Zealand home entrance

July 14, 2026

Security Doors NZ: Grille vs Mesh, Cost and How to Choose

Black powder coated aluminium pool fence with vertical balusters and a self closing gate around a backyard pool in New Zealand

June 23, 2026

Pool Fence Regulations NZ: Compliance Checklist and Buying Guide

What NZ pool fence law requires: 1.2m height, 100mm gaps, a…

Modern aluminium doors on a New Zealand home, black hinged entrance door beside large sliding glass doors onto a deck

June 23, 2026

Aluminium Doors NZ: Types, Uses and How to Choose

Compare aluminium entrance, sliding, security and double…

Galvanized Equal Angle

May 19, 2026

Aluminium Angle NZ: Equal vs Unequal, Sizes and Uses

May 19, 2026

Heat Pump Cover NZ: Sizes, Materials and Install Guide