
RibCore
At DMD Interiors Ltd, we provide Polystyrene RibCore™, an advanced hollow core door solution designed to deliver superior strength, impact resistance, and enhanced thermal efficiency. Compared to traditional honeycomb paper core doors, RibCore™ features up to 42% glue contact between the core and the door skin, ensuring significantly greater structural integrity.
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This increased contact provides a stronger, sturdier, and more impact-resistant door, making RibCore™ the ideal choice for residential, commercial, and high-use environments.

Why Choose RibCore™?
✔ Up to 42% Glue Contact Area – Compared to just 4% in traditional honeycomb cores, ensuring a stronger bond between the core and door skin.
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✔ High Impact Resistance – With a more solid core structure, RibCore™ doors are far less likely to delaminate or become damaged upon impact.
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✔ Enhanced Thermal Qualities – The polystyrene core helps improve insulation properties, contributing to better indoor climate control and energy efficiency.
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✔ Cost-Effective Strength Upgrade – Provides a stronger, fatter, and more durable alternative to traditional hollow core doors at an affordable price.
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✔ Lightweight Yet Sturdy – The polystyrene core keeps the door lightweight, making it easy to install and handle while maintaining superior strength.
2200Uni & 2400Uni RibCore™ Hollow Core Doors
At DMD Interiors Ltd, we offer 2200Uni & 2400Uni RibCore™ Hollow Core Doors, designed with High Contact Polystyrene Core Technology for exceptional strength, impact resistance, and thermal performance. These oversized hollow core doors provide greater durability than traditional honeycomb paper core doors, making them ideal for residential, commercial, and high-use environments.
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Each 2200Uni & 2400Uni RibCore™ Hollow Core Door is constructed with premium materials to enhance durability, stability, and longevity:
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Rails: 132mm Finger Jointed Pine
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Stiles: 40mm Finger Jointed Pine
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Lock Block: 640 x 68mm Finger Jointed Pine

Rails & Stiles – Built for Structural Integrity
Each RibCore™ door is constructed using high-quality materials for optimal performance and durability:
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Rails: 27mm Finger Jointed Pine
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Stiles: 30mm Finger Jointed Pine
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Lock Block: 398 x 68mm Finger Jointed Pine
Customizable Skin Thickness Options
Our stock doors are available in 3mm and 4mm skins, ensuring quick availability for standard applications. Additional skin thickness options are available upon request, including:
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✔ 4.75mm Skins
✔ 6mm Skins
✔ 9mm Skins