Which membrane would need to be used when applying membrane to an Enertherm Insulated Upstand with a contact adhesive? Armourplan PSG has been specified for the flat area. Armourplan P adhered with PVC contact adhesive would be the membrane recommended. How do I install IKO Super Shed Felt? Can you please explain the Bonding of Hyload to cement mortar which enables proper bonding to block work?