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Flashing installation
Install the VELUX flashings ensuring that the collectors are properly flashed and sealed in accordance with standard roofing
practices and the VELUX flashing instructions. Reference your VELUX collector installation manual for proper guidelines in
your application. All equipment should be installed in accordance with all local codes and best practices as identified with
National Roofing Contractors Association (NRCA) or other qualified body.
1. Install the bottom pan flashings and gutters and secure in place using metal tabs as referenced in the VELUX
flashing instructions. Do not drive roofing nails, screws, or other fasteners, through the flashings to secure.
2. Install the first course of roofing material and VELUX flashings along left side of collector bank. Repeat procedure
along right side of collector bank.
3. Install the top pan flashings and secure in place using metal tabs as referenced in the VELUX flashing instructions.
Finish the flashing installation by installing the collector cladding and the last course of roofing material.
20 – Part 3: Solar water heater system installation
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