E: info@deltapanels.com    W: www.deltapanels.com
Head Office: 731 Boundary Road, Richlands, Qld 4077  |  P: +61 7 3271 2170  
Sydney Depot: 11 The Old Northern Road, Narellan, NSW 2567  |  P: +61 2 4611 7712
ABN: 11 147 861 292
   Page: 22 of 126
Version Date: 2025-12-29
Main Fasteners with Cyclone Plate and Washer
Metal Tek - Fixing
Fixing into Steel Beams 
up to 12.5mm
T17 - Fixing
Fixing into Timber Beams
Screw Types
Secondary Fasteners
Tek M13 x 25mm 
12. INSTALLATION - FASTENERS,  
      FLASHINGS, FOAM INFILLS STRIPS  
      AND SEALANTS
Tek M10 x 16mm 
Dome Rivet 73 AS 4.3
Top-Skin Overlap - DeltaTrim™, DeltaOrb™, DeltaCorroCorro™,  
DeltaTrimTrim™ & DeltaTrimCorro™
Stitching Spacings
No. of fixings required
300mm centres
1 x M13 x 25mm Tek Screw with Neo Washer
Flashings & Rainwater Goods
Fixing Spacings
No. of fixings required
300mm centres
For G300 1.2mm Structural Flashings : -
1 x M13 x 25mm Tek Screw with Neo Washer
400mm centres
For G300 0.55mm Flashings : -
1 x Dome Rivet 73 AS 4.3, or
1 x M10 x 16mm Tek Screw with Neo Washer
Spacings for Secondary Fixings:

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