High Density Fibre-HDF Boards have superior moisture resistant properties. High Density Fibre-HDF Boards are manufactured by Mangalam Timber Products Ltd which is an ISO 9001:2000, ISO 14001:2004 and ISO 18001 certified company. Mangalam Timber Products Ltd also manufactures plain and pre-laminated medium-density fibreboards. The High Density Fibre-HDF Boards, under the brand name Duratuff, is recommended for exterior applications. These Boards have superior moisture resistant properties. These Boards are resistant to abrasion, household chemicals, steam, cigarette burns and cracking.