Knauf 170m Standard Top Up Loft Roll Insulation 6.47M2

£3.09 per SQM, 170mm Top-up layer loft roll insulation is a glass mineral wool product designed for topping up existing insulation 170mm loft roll insulation is a glass mineral wool product for use above the ceiling joists, as a top-up layer 170mm Top Layer Loft Roll Insulation is to be used in conjunction with the 100mm Base Layer Loft Roll Insulation to achieve excellent thermal and acoustic performance 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 and designed to be laid on top of existing insulation Significantly improves the thermal and energy efficiency in your home, helping keep your home warm in the winter < cool in the summer R - Values 3.85m2K/W Reaction to fire: Best Possible Euroclass A1. Reaction to fire rating in accordance to BS EN 13501-1 Thermal Conductivity 0.044W/mk