The diffusion-permeable insulating fiberboard AGEPAN® THD T+G according to DIN EN 13171 as over-rafter insulation for fully insulated roof constructions. Their good thermal insulation properties ensure a special comfort climate in summer and winter. Can be used as sarking and over-rafter insulation as well as external sheathing for roof elements. Sarking board in compliance with ZVDH (Central Federation of German Roofing Contractors) regulations: UDP-A. Also provides an emergency roof solution for up to 8 weeks in event of exposure to elements and after storm damages. Hail resistance class as tested by the IBS Institute.