Version Date: 2023-10-16
Delta Panels Pty Ltd
P: +61 07 3271 2170    E: info@deltapanels.com   W: www.deltapanels.com    A: 731 Boundary Road, Richlands, Qld 4077   ABN: 11 147 861 292
STEP 3 - SHIELDING DETERMINATION
Full Shielding
FS
Partial Shielding
PS
No Shielding
NS
At least 2 rows of housing or similar size permanent structures surround the intended 
construction site. In Regions A & B, heavily timbered areas provide full shielding as long as 
they are within 100 metres.
Full shielding is only possible for houses within Topographical Classes T0, T1 and T2. The 
Full Shielding classification is only applicable to suburban developments with 10 or more 
houses and or similar sized structures, per hectare. The effects of roads or other open 
spaces within a distance of 100 metres in any direction are exempt.
Partial shielding is only possible for houses within Topographical Classes T0, T1,T2 and T3.
To qualify there is a requirement to have at least 2.5 houses per hectare or equivalent 
structures situated upwind of the intended building location. This is typical of an acreage 
estate or housing based at the 2nd row from open water, abutting parklands or airfields.
This would be houses located on the edge of housing estates, the side of open water, 
airports, sporting fields and large open parklands.
The shielding effect of established trees and established building structures will have an effect on the upward wind 
pressures. With the exception of regions C & D where trees are not considered a shielding element. 
The 3 shielding classifications are:-

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