Delta Panels Pty Ltd - ABN: 11 147 861 292
P: +61 07 3271 2170    
E: info@deltapanels.com   
W: www.deltapanels.com    
Head Office: 731 Boundary Road, Richlands, Qld 4077
Sydney Depot: 11 The Northern Road, Narellan, NSW. 2567    
Page 6 of 8 
Version Date: 2025-10-15
DLP120
DLP120
DLP120
DLP120
DLP170
DLP170
STEP 3 - CUT OUT THE REQUIRED CEILING HOLE
STEP 4 - Drill Cable Slots
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Refer to the template size on the product information provided.
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The position of the cut-out hole must match the requirements listed in the Engineer’s Certification
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Prior to cutting the hole, double check that the size for the product you are going to install.
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Remove all insulation in the hole area to a depth of 30mm
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Remove all insulation from where the light will sit to ensure there is a 10mm air flow gap from the edge 
of the light fitting. 
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Ensure that this discarded insulation is collected and properly disposed of.
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A 20mm hole is required to be drilled through the EPS core from the edge of the panel to the recessed light hole.
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The insulated cable is fed through this hole.
DLP170
DLP170

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