As stated before 100mm Kingspan is featured in the roof, the floor and in all of the walls. Kingspan is one of the leading high performance insulation products on the entire market. Just 100mm of Kingspan is equivalent to up to 16 inches of animal fibre!  We believe that our garden rooms are one of the most energy sufficient  and well insulated in the industry.  A better u-value than a modern day house, we guarantee you will stay warm throughout the year with minimal heating costs!