Peter Bonsey

The top photo shows the square plywood vent epoxied into the deck. It sticks up 4 inches above deck level and is painted white inside to give a light impression from down below. The two lighter marks along the deck show where the cover will fit. They have been sanded down to give good adhesion to the epoxy resin that will be used to secure the cover to the deck. The upside-down cover, bottom, next to the through-deck vent. The part of the cover painted white is the part that goes over the vent, and the color, again, is to provide some luminosity inside. The baffles also clearly show in this picture, and some idea can be gained of the relative sizes of the vent and the part of the cover that goes over the vent.

Banish the damp

Make your own ventilators to keep fresh air flowing down below Issue 29 : Mar/Apr 2003 If I were to ask all those sailors whose boats have adequate ventilation to raise their hands, I think there woul...

Peter Bonsey
September 18, 2026
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