Cubic Glass Terrace Roof

A flat-looking glass roof for a terrace against a house wall: a square frame carries glass panes that fall to a hidden gutter, held on square posts. Width, depth and height under the gutter, Number of panes and posts, post indent, Glass thickness, Frame finish

Details

Category: Pergolas › Open and Fixed Roof Pergolas

By Huu Khanh Nguyen · Updated November 5, 2026

Parameters

Name	Default	Unit
Roof width	4000	mm
Roof depth	3000	mm
Height under the gutter	2400	mm
Frame height	320	mm
Panes	Math.max(2, Math.ceil((width - 66) / 1000))
Posts	2
Post section	115	mm
Post indent	0	mm
Roof glass	10	mm
Frame finish	powderRal9016
Overall width	width	mm
Overall depth	depth	mm
Overall height	topHeight	mm
Height of the roof top	gutterHeight + frameHeight	mm
Distance between support centre lines	(width - 66) / paneCount	mm
Support length	depth - 165 - bracketDepth	mm
Wall profile depth	frameHeight == 320 ? 60 : 170	mm
Glass slope	frameHeight == 320 ? (depth - 115 <= 2599 ? 3.2 : 2.1) : Math.atan(100 / (depth - 225)) * 180 / Math.PI	mm