Extruded Roller Box

By Huu Khanh Nguyen · Updated October 29, 2026 · roller-box, extruded, garage-door

A roller door lintel box assembled from three extruded aluminium pieces with a chamfered lower room-side corner, closed by an end cap on each side.

Parameters

Name	Default	Unit
Length	2650	mm
Depth	165	mm
Height	165	mm
Wall thickness	1.8	mm
End cap thickness	4.4	mm