Knauf 100mm Bottom Layer Loft Roll Insulation 11.08M2

£1.80 per SQM, 100mm Base Layer loft roll insulation is a glass mineral wool product designed for insulating between 400 and 600mm ceiling joists 100mm loft roll insulation is a glass mineral wool product for use in between 400 or 600mm joists Designed to be used as a base layer in combination with either 170mm or 200mm loft roll insulation acting as a top-up layer to maximise thermal performance and significantly improve energy efficiency in your home Each roll has pre-cut perforations providing a choice of width to suit joist spacings and making it quick and easy to cut and fit Rolls are compression packed for easy storage < handling, expanding to required thickness once unwrapped Significantly improves the thermal and energy efficiency in your home, helping keep your home warm in the winter < cool in the summer R - Values 2.25m2K/W Reaction to fire: Best Possible Euroclass A1. Reaction to fire rating in accordance to BS EN 13501-1 Thermal Conductivity 0.044W/mk Can be laid on top of existing insulation if required