11English RAIS - Manual for RAIS Rina, RAIS VivaInstallation distance in case of combustible wallTo find out whether the wall next to where the stove is going to be installed is flammable,you should contact your building contractor or the local building authorities.The hearth should be able to accommodate the weight of the stove. The chimney mustbe independently supported by wall brackets or a ceiling support plate. The weight of thestove is indicated in the brochure.The stove should always be installed on a non-combustible hearth of a size and construc-tion that is in accordance with the provisions of the current UK Building Regulations Ap-proved Document J.If the stove is to be installed on a wooden floor, it must be covered with a non-combusti-ble material at least 12 mm thick, in accordance with UK Building Regulations ApprovedDocument J, to at distance of 300 mm in front of the stove and 150 mm to each sidemeasuring from the door of the combustion chamber.The clearance distances to combustible material beneath, surrounding or upon the hearthand walls adjacent to the hearth should comply with the guidance on the separation ofcombustible material given in UK Building Regulations Approved Document J and also inthese stove instructions.