E: info@deltapanels.com      Head Office: 731 Boundary Road, Richlands, Qld 4077    +61 7 3271 2170
 W: www.deltapanels.com     Sydney Depot:  11 The Old Northern Road, Narellan, NSW 2567   +61 2 4611 7712
ABN: 11 147 861 292
Version Date: 
2025-11-25
4
GLOSSARY
DeltaSpan™
A registed name covering the range of Delta Panels™  insulated roofing 
products, DeltaTrim™, DeltaOrb™, DeltaCorroCorro™, DeltaTrimTrim™ 
& DeltaTrimCorro™
DeltaSingle™
A registered name for Delta Panels™  single skin roofing sheet
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
Insulated Roofing
Covers all the products listed in DeltaSpan™
DualCore™ 
A registered name for Delta Panels™ insulated roof comprising of Expanded 
Polystyrene - Fire Retardant  grade (EPS-FR) with a Mineral Wool (MW) core end 
of at least 900mm
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
MW
Mineral Wool is a noncombustible core with very 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
End Overhang
The length that the roof sheeting overhangs the last fixing support, forming a 
cantilevered portion. Refer to pages 22-33 for full spanning details
Side Overhang
DeltaSpan™ thicker than 50mm are capable of 400mm side overhang in any wind 
and location category and roof configuration, provided the panels are 1000mm in 
width at the side location on that particular roof

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