![](http://canalcrafts.com/cdn/shop/files/Porthole_Bungs_Range.jpg?v=1687174683&width=3840)
Porthole Bungs
Our range of porthole bungs
Blackout, opaque, frosted, and transparent porthole bungs. Made from cast acrylic with a soft rubber edge. Available in various colours. Sizes from 11" to 19".
![](http://canalcrafts.com/cdn/shop/files/Porthole_Bung_Blackout_Black_Gloss_12_Inch_9a11f667-70f1-43ca-9668-070769082730.jpg?v=1687196252&width=1500)
Porthole Bungs
Blackout Range
Our blackout porthole bungs are perfect for complete darkness and privacy; effectively blocking out external light, ensuring uninterrupted darkness onboard.
![](http://canalcrafts.com/cdn/shop/files/PortholeBungOpaqueRed12inch.jpg?v=1687195835&width=1500)
Porthole Bungs
Opaque Range
Striking the balance between privacy and natural light. These bungs allow enough sunlight through to create a vibrant glow while blocking the view from outside.
![](http://canalcrafts.com/cdn/shop/files/Porthole_Bung_Fr_Arctic_Blue_12_Inch.jpg?v=1687199660&width=1500)
Porthole Bungs
Frosted Range
Semi-transparent porthole bungs with a slightly textured surface. Natural light filters through and disperses beautifully, casting a soft glow throughout your narrowboat.
![](http://canalcrafts.com/cdn/shop/files/Porthole_Bung_T_Yellow_12_Inch.jpg?v=1687202989&width=1500)
Porthole Bungs
Transparent Range
Our transparent porthole bungs allow you to maintain a clear and unobstructed view of the surrounding waterways.