Delta Panels Pty.Ltd.   ABN: 11 147 861 292          A: 731 Boundary Road, Richlands, Qld 4077
P: +61 7 3271 2170     E: info@deltapanels.com    W: www.deltapanels.com    
Version Date: 
08.05.2023
4
GLOSSARY
DeltaSpan™
A registed name covering the range of Delta Panels™  insulated roofing 
products, DeltaTrim™, DeltaOrb™, DeltaCorroCorro™, DeltaTrimTrim™ 
& DeltaTrimCorro™
DeltaTrim™
A registered name for Delta Panels™  insulated roof product with a 
trapezoid formed top skin
DeltaOrb™
A registered name for Delta Panels™  insulated roof product with a 
corrugated formed top skin
DeltaCorroCorro™
A registered name for Delta Panels™  insulated roof product with a 
corrugated formed top and bottom skin
DeltaTrimTrim™
A registered name for Delta Panels™  insulated roof product with a 
trapezoid formed top and bottom skin
DeltaTrimCorro™
A registered name for Delta Panels™  insulated roof product with a 
corrugated formed top and a trapezoid formed bottom skin
EPS-FR
Expanded Polystyrene with a fire retardant additive, used as an insulating 
core in insulated roofing
TPC
Thermal Phenolic Composite core which has high fire ratings used in 
insulated roofing
Single Span
The distance between two fixing supports
Multi Span
A continuous length that spans over three (3) or more fixing supports
Roof Span
Being the total span of the roof area with any overhang included
Panel Span
The length that the roof sheet can span between fixing supports
Overhang
The length that the roof sheeting overhangs the last fixing support, 
forming a cantilevered portion
Refer to the Engineering Notes for more details
Cp,n
Net pressure coefficient acting normal to the surface for canopies, 
freestanding roofs, walls, and the like (as defined in AS/NZS 1170.2:2021)
Roof Slope
The angle of the roof from its peak to its lowest point
Cyclonic Region
refer to Step 1 Wind Speed Determination
NonTrafficable
Not designed for direct foot traffic and requires a temporary walkway for 
maintenance access.
Refer to the Engineering Notes for more details
NonCyclonic Region
Refer to Step 1 Wind Speed Determination

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