Timber frame wall sheathing with rear-ventilated external wall cladding with the proven advantages of AGEPAN® THD T+G. It is used as over rafter insulation and sarking according to ZVDH (Central Federation of German Roofing Contractors): UDP-A and as external sheathing in the manufacture of roof and wall elements. Due to the asymmetrical bulk density profile, AGEPAN® THD T+G is particularly stable and strong. Excellent insulating properties keep homes cool in the summer and warm in the winter.