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We are often asked what is the best foam to use for boat mattresses.

Foam used in a marine environment should be melamine free to prevent the foam foam disintegrating and turning to powder. You will find two suggestions below, however they are not waterproof so we recommend a waterproof fabric if being used externally.

3″ (7.6 cm) and below I would recommend the firm blue foam V 38
4″ (10 cm ) and over I would recommend the Reflex 40 H

Both of these grades are highlighted as ‘most popular’ once you have entered your sizes in the home page “Instant quote” calculator. 

Foam Products for Boat & Campervan Owners