Methods for attaching a layer of hook fasteners onto an insulation board for use attaching a roofing membrane having fleece backed loops thereon such that the roofing membrane can be held onto the insulation membrane by: adhering the hook layer onto portions of the top or bottom facer of an insulation board after the insulation board has exited a laminator; or adhering the hook layer onto the top or bottom facer prior to entry into the laminator; or replacing the top or bottom facer of the insulation board with the hook layer before use in the laminator.