Lack of a Harmonized Standard

What do I do if my product is not CE marked because there is no standard against which to test it? Where there is no harmonized standard covering a product, it is possible to use that product on 'life safety doors' provided you can still show fitness for purpose and any necessary fire test evidence. According to 'Approved Document 7' of the 'Building Regulations 2010', preferred ways of showing fitness for purpose are: Compliance with a standard – harmonized or not Product 3rd party certification Tests and calculations by a UKAS accredited test lab Previous good experience.