Stripping off the stone roof / ridge tiles and lath battens to carry out repairs to the perished bitumen under felt using vapour permeable breathable membrane pitched roof underlay. Re-fixing the lath battens and roof tiles replacing any that are damaged or broken. Installation of new code 3 milled lead soakers and GRP (Glassfibre Reinforced Polyester) flashings at the abutment wall. Re-bedding and pointing the ridge tiles using new mortar.
Lifting, re-bedding and pointing the ridge tiles and re-fixing the top course of stone roof tiles.