Collection: Internal Glazed Fire Doors

How do glazed fire doors achieve fire resistance?

It is a myth that glass is a weak point. Our glazed fire doors function as a complete safety system using advanced engineering:

• Specialist Fire-Rated Glass: We use chemically engineered glass designed to withstand extreme "thermal shock". Unlike standard glass, which shatters instantly in heat, this remains intact.
• Intumescent Gaskets: The glass is secured using special fire-reactive tape or gaskets. In a fire, these expand to lock the glass firmly in place and seal the edges against smoke.
• Heat Blocking: Many fire-rated panes contain clear gel layers. When heated, these layers react and turn opaque, forming a rigid shield that blocks dangerous radiant heat from passing through to the safe side.

Glazed vs Solid Fire Doors: A Performance Comparison

Safety Performance

Whether solid or glazed, an FD30 door offers the exact same 30 minutes of protection. The presence of glass does not compromise the fire rating, provided the door is certified and installed correctly.

Cost Implications

• Solid: A solid fire door is generally cheaper to manufacture.
• Glazed: Fire-rated glass is a specialist material, and the manufacturing process (including intumescent glazing gaskets) is more complex, resulting in a higher price point.

Aesthetics & Atmosphere

• Glazed: Ideal for connecting communal areas (like kitchens and hallways). It allows light to flow through the house, removing the dark, enclosed feel often associated with heavy fire doors.
• Solid: Can block out natural light, which could make some spaces darker and less inviting.