Arched Extruded Canopy

A walkway canopy of extruded aluminium deck members and fascia arched in elevation, hung from the wall on rods with support beams that follow the arch. Span and rise of the arch, Projection, Number of hanger bays and the distance of the end hangers, Hanger rod height and fixing, Finish

Details

Category: Canopies › Door and Walkway Canopies

By Huu Khanh Nguyen · Updated November 5, 2026

Parameters

Name	Default	Unit
Arch Span	5006.83	mm
Arch Rise	609.6	mm
Projection	1676.4	mm
Hanger Bays	2
End Hanger Distance	304.8	mm
Hanger Fixing Distance	Math.min(1204, sizeY - fasciaHeight)	mm
Wall Anchor Rise	682.6	mm
Finish	anodisedNatural
Arch Radius	span * span / (8 * archRise) + archRise / 2	mm
Half Angle	Math.asin(span / (2 * radius))
Fascia Depth	50.8	mm
Fascia Height	203.2	mm
Beam Size	84.074	mm
Hanger Pipe Diameter	33.4	mm
Length	2 * (radius + fasciaHeight) * Math.sin(halfAngle)	mm
Height	(((archRise - radius) + (radius + fasciaHeight) * Math.cos(Math.asin(((endOffset + Math.floor(hangerBays / 2) * (sizeX - 2 * endOffset) / hangerBays) - sizeX / 2) / (radius + fasciaHeight)))) + (anchorRise + 0.114 * (radius + fasciaHeight) * (1 - Math.cos(Math.asin(((endOffset + Math.floor(hangerBays / 2) * (sizeX - 2 * endOffset) / hangerBays) - sizeX / 2) / (radius + fasciaHeight)))))) + (pipeDiameter / 2) * Math.cos(Math.atan2((anchorRise + 0.114 * (radius + fasciaHeight) * (1 - Math.cos(Math.asin(((endOffset + Math.floor(hangerBays / 2) * (sizeX - 2 * endOffset) / hangerBays) - sizeX / 2) / (radius + fasciaHeight))))), hangerRun))	mm
Deck Bottom Radius	Math.sqrt(Math.pow(radius + fasciaHeight - beamSize, 2) - Math.pow(76.2, 2)) - 76.2	mm
Deck Angular Pitch	2 * Math.atan(76.2 / deckBottom)
Deck Angular Span	2 * (halfAngle - Math.asin(fasciaDepth / deckBottom))