Calculate portlight window sizing, thickness, and strength requirements
Input Parameters
Results
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Min Glass Thickness
in
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Frame Load
lb/ft
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Burst Pressure
psi
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UV Transmission
%
Reference
Hull-side ports: higher pressure rating required
ISO 12216 and ABYC H-2 apply
Tempered glass strongest but shatters
Acrylic: lightweight, good UV but scratches