What Materials Go Into a Steel Door
A steel door is a stack of layers: cold-rolled sheet, internal reinforcement, insulation core, hardware and surface finish. Here is what each layer is made of and why it matters for buyers.
Choosing a model usually starts with colour and pattern, but what really separates one door model from another is the structure behind the surface. A wood veneer and a PVC membrane can carry the same grain and still behave differently under damp, sun and scratching; a composite face holds up outdoors where a lacquered MDF tires within a year. The guides here take the finish types one at a time and set out where each is the right answer, how the colours of a two-tone door are put together, and what laser-cut and rustic patterns actually do to a surface. They also go inside the leaf: sheet thickness, core material and carrier panel decide the weight and the sound of a door, which is the invisible half of a model decision. Reading them before opening the catalogue tells you in advance how the model you like will behave in your opening and your climate.
A steel door is a stack of layers: cold-rolled sheet, internal reinforcement, insulation core, hardware and surface finish. Here is what each layer is made of and why it matters for buyers.
Standard sizes from stock, made to measure for other openings.