Knauf Slabs:- previously known as Earthwool® Building Slab are re-branded as Rocksilk® RS45 & Rocksilk® RS60 in thicknesses of 25mm to 100mm. Earthwool® DriTherm 37 & 32 are re-branded to DriTherm® Cavity Slab 37 & 32 in thicknesses of 50mm to 100mm Knauf Rolls:- Previously known as Earthwool® Acoustic Roll are re-branded as Acoustic Roll In thicknesses of 25mm to 100mm. Earthwool® Loft Roll 44 are re-branded as Loft Roll 44 in thicknesses of 100mm,150mm,170mm and 200mm