The extra firm mattresses need to be used on an appropriate, strong, supportive slat base which is able to hold the mattress’ and its users’ weight without becoming hollow. Gaps should not be wider than 2 inches. Gaps are needed to help the mattress ‘breath’. This applies to all types of organic mattresses.
All our mattresses comply with BS7177 and BS5852, low hazard domestic use & medium hazard hotel use.Care instructions