
Steel Insert Solid Core
Our Steel Insert Solid Core Doors are designed for maximum strength, impact resistance, and long-term durability. Featuring a high-density EPS (Expanded Polystyrene) core, reinforced with a precision-engineered steel insert, these doors provide exceptional stability and structural integrity, making them ideal for high-performance residential and commercial applications.
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Whether used in high-traffic areas, industrial environments, or spaces requiring extra reinforcement, our Steel Insert Solid Core Doors offer unparalleled durability and resilience while maintaining a clean and modern finish.

Why Choose Steel Insert Solid Core?
✔ Enhanced Structural Rigidity – Reinforced with a precision-manufactured steel insert, ensuring maximum stability and impact resistance.
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✔ Superior Impact & Load Bearing Strength – Designed to withstand heavy-duty use, making them ideal for high-traffic and industrial applications.
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✔ High Density EPS Solid Core – Provides 98% glue contact between the core and the door skin, ensuring maximum adhesion and durability.
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✔ Anti-Corrosive Steel Insert – Manufactured from pre-galvanized New Zealand steel, offering protection against corrosion and environmental wear.
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✔ Thermal & Acoustic Efficiency – The EPS core enhances insulation, improving energy efficiency and soundproofing.
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✔ Resistant to Delamination & Warping – The steel reinforcement and high-density EPS core prevent structural failures over time.
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✔ ISO 9000 Certified Manufacturing – Precision-engineered to meet international quality standards, ensuring long-lasting performance and reliability.
Steel Insert Specifications
Our Steel Insert Solid Core Doors feature a custom-designed, precision-engineered steel reinforcement, ensuring optimal strength and structural integrity:
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Base Material: 100% New Zealand Steel
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Dimensions: 38.1 x 29.9mm
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Wall Thickness: 1.6mm for added rigidity
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Pre-Galvanized Finish: Z250 - 275 Zinc content weight for corrosion resistance
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Steel Grade: G250 (New Zealand steel specification)
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Manufacturing Standard: ISO 9000 Accredited Manufacturer
Rails & Stiles – Engineered for Strength & Support
Each Steel Insert Solid Core Door is built with high-quality materials, ensuring superior performance and longevity:
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Rails: 60mm Finger Jointed Pine
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Stiles: 30mm Finger Jointed Pine
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Lock Block: 398 x 68mm Finger Jointed Pine
2200Uni SteelX1 & SteelX2 Oversized Steel Insert Doors
At DMD Interiors Ltd, our 2200Uni SteelX1 & SteelX2 Solid Core Doors are designed to provide superior structural integrity, impact resistance, and long-term durability. These oversized solid core doors incorporate high-density EPS (Expanded Polystyrene) cores reinforced with pre-galvanized steel inserts, making them ideal for high-traffic, industrial, and commercial applications where reinforced strength is a priority.
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With up to 98% glue contact between the core and the door skin, our SteelX1 & SteelX2 doors outperform standard hollow core doors, ensuring exceptional adhesion, stability, and resistance to warping or delamination.

Steel Insert Specifications (2200Uni SteelX1 & SteelX2 Oversized Steel Insert Doors)
Each 2200Uni SteelX1 & SteelX2 Solid Core Door is built with a custom-designed, precision-engineered steel reinforcement, ensuring optimal structural performance:
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Base Material: 100% New Zealand Steel
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Steel Insert Dimensions: 38.1 x 29.9mm
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Wall Thickness: 1.6mm for extra rigidity
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Pre-Galvanized Finish: Z250 - 275 Zinc Content Weight for corrosion resistance
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Steel Grade: G250 (New Zealand Steel Specification)
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Manufacturing Standard: ISO 9000 Accredited Manufacturer
Rails & Stiles – Engineered for Strength & Support
Each SteelX1 & SteelX2 Oversized Door is crafted with high-quality materials, ensuring maximum stability and longevity:
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Rails: 168mm Finger Jointed Pine
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Stiles: 40mm Finger Jointed Pine
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Lock Block: 640 x 68mm Finger Jointed Pine
2400Uni SteelX1 & SteelX2 Oversized Steel Insert Doors
At DMD Interiors Ltd, our 2400Uni SteelX1 & SteelX2 Solid Core Doors are engineered to provide unmatched strength, impact resistance, and thermal efficiency. Designed for large-scale commercial, residential, and industrial applications, these oversized solid core doors feature a high-density EPS core, reinforced with pre-galvanized steel inserts for exceptional structural stability.
With up to 98% glue contact between the core and the door skin, our SteelX1 & SteelX2 doors offer superior adhesion, preventing delamination and enhancing durability. These doors are perfect for high-traffic environments, offering long-term performance, energy efficiency, and soundproofing benefits.

Steel Insert Specifications (2400Uni SteelX1 & SteelX2 Oversized Steel Insert Doors)
Each 2400Uni SteelX1 & SteelX2 Solid Core Door is reinforced with a high-strength, pre-galvanized steel insert, designed for maximum stability and load-bearing performance:
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Base Material: 100% New Zealand Steel
​
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Steel Insert Dimensions: 38.1 x 29.9mm
​
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Wall Thickness: 1.6mm for increased rigidity
​
-
Pre-Galvanized Finish: Z250 - 275 Zinc Content Weight for corrosion resistance
​
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Steel Grade: G250 (New Zealand Steel Specification)
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Manufacturing Standard: ISO 9000 Accredited Manufacturer
Rails & Stiles – Engineered for Strength & Support
Our 2400Uni SteelX1 & SteelX2 Doors are crafted with premium timber components, ensuring robust support for locking mechanisms, hinges, and door hardware:
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Rails: 168mm Finger Jointed Pine
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Stiles: 40mm Finger Jointed Pine
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Lock Block: 640 x 68mm Finger Jointed Pine