Hardboard Class A Fire 1511 X 2032 Folding Stacking Door The overall door thickness is

The overall door thickness is 42mm

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Insulation (I) – the unexposed face temperature remains within limits for 60 minutes

This is commonly used on doors with glass panels or sidelights

PTT1815 Economy Aluminium Window

Hardboard Class A Fire 1511 X 2032 Folding Stacking Door The overall door thickness isClass A 60 Minute Fire Rated Hardboard Double Doors These pre hung Class A fire double doors deliver 60 minutes of certified fire protection across a wide opening ideal for commercial corridors, stairwells, and high traffic areas where both fire compliance and clear passage width are required. Each leaf features hardboard skins ready for painting, pre hung in a double rebated mild steel frame with stainless steel hinges. Key Features Class A fire