Yachtfabrics
Vessel segment 03 / 08 · Catamaran

Two narrow hulls, and both of them stay cold

Hull cabins put the berth close to the waterline with very little structure in between. The cabins are small, so a night's sleep raises humidity quickly, and the sole and hull sides are the coolest surfaces in the boat. Cross-ventilation through the bridgedeck rarely reaches down into them.

Recommendation

15 mm suits the double berths in both hulls, where the base sits directly on hull-adjacent joinery. Bunk berths in charter layouts and cockpit seating work well at 10 mm.

Body heat and moistureCold hullMattressCondensationMildewBerth boardBerth board15 mm air gapMoist air escapes
Fig. 01 · Cross-section, berth against the cold hull, without and with Airflow. Not to scale.
Installation

Three steps, no tools

01
Lift the cushion

Remove the berth cushion and clear the board. No fasteners, no adhesive, nothing to drill.

02
Lay the fabric

Place the cut panel over the full berth area, running the length of the berth. Edges may be trimmed with scissors on board.

03
Replace and close

Set the cushion back on top. The gap works from the first night and stays open under sleeping load.

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Contact

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Supplier
Pankoke & Hellmich GbR
Fosse Bredde 25
33758 Schloß Holte-Stukenbrock
Germany
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Trade enquiries welcome