We export blockboad and doorcore from Albasia Falcata wood, strong but very lighweight wood. 
The cores are of single or multilayer construction. 
By framing the cores with hardwood on 2 or all edges, resulted lightweight wood stave door core which are ready to accept any doorskin / veneer on top to make solidcore flush doors. The 3 layers doorcores are used also to produce fire rated door. 
Our blockboard core also available with cross grain veneer on both faces. This blockboard platform are finely sanded and ready to be accept any thin & decorative veneers as required in furniture and interior industry.