Upper facing: Bitumen coated glass tissue finished with a thermofusible polypropylene fleece autohesively bonded to the insulation core. Lower facing: Mineralized glass tissue autohesively bonded to the insulation core.
Upper facing: Bitumen coated glass tissue finished with a thermofusible polypropylene fleece autohesively bonded to the insulation core. Lower facing: Mineralized glass tissue autohesively bonded to the insulation core.
Upper facing: Bitumen coated glass tissue finished with a thermofusible polypropylene fleece autohesively bonded to the insulation core. Lower facing: Mineralized glass tissue autohesively bonded to the insulation core.