Building product having an open porosity comprises wood shaving chips bound using an inorganic binder, and additives that are inert to the binder

摘要

Building product having an open porosity comprises wood shaving chips bound using an inorganic binder, and additives that are inert to the binder. The weight ratio of the wood shaving chips to the non-wood shaving chips is more than 1: 4. The building product has a gross heat of combustion of less than 3.0 MJ/kg according to prEN 1716. Preferred Features: The weight ratio of the wood shaving chips to the non-wood shaving chips is more than 1: 4.5 or more than 1: 5.0. The additive is made from quartz, expanded perlite, non-expanded perlite, expanded vermiculite, limestone, calcined clay, calcined clay minerals or siolite (sic). The product further comprises a zone of mineral fibers.