100mm URSA 10 Loft Roll is a lightweight, non-combustible, unfaced glass mineral wool products for use as loft insulation in cold pitched roofs.

URSA 100mm Loft roll is perforated to allow it to be split into 2 x 570mm wide rolls to match the format for use between joists at 600mm centres.

 Alternatives may be offered to speed up delivery. They will always match or exceed the coverage purchased.