Garden Room Post published:June 7, 2022 Post category:Project All our garden rooms come standard with a steel frame base and stud walls using construction grade timber. 100mm Drithem insulation is used in the walls and ceilings, 50mm Celotex fitted to the floor Breathable membrane to all exterior walls. You Might Also Like 30m x 9m x 3.6m Unit Block June 2, 2022 12m x 5m x 2.4m July 29, 2022 16m x 6m-4m x 2.4m June 7, 2022