ROCKWOOL® Twin Roll is a non-combustible stone wool insulation designed for thermal efficiency in roof and loft spaces. With a thermal conductivity of 0.044 W/mK and Euroclass A1 fire rating, it ensures safety and energy savings. Pre-split into two 100mm layers, it’s ideal for installing 100mm between rafters and 200mm over rafters, or as an overlay for suspended ceiling tiles. CE marked to EN 13162:2012+A1:2015, Twin Roll is perfect for UK homes seeking reliable loft insulation. Available at pipelagging.com.
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