Structural plate of laminated wood has internal fire-resistant layer of pure vermiculite

摘要

The plate comprises a heat-insulating fire-resistant pure vermiculite substance (14) sandwiches between the outer panel (12) and inner panel (15). The vermiculite can be mixed with an ecologically acceptable solidifying component such as potato starch. Independent claim describes method for producing plate by pouring and compacting loose vermiculite in compartments formed on inside of plate and then closing compartments by further plate