We stock a range of lead for weatherproofing your roof for valleys, around chimneys etc. in a selection of weights and sizes. If you are looking for Lead alternatives and Flashing Tape you will find it here. Its purpose is to form a weatherproof barrier. It is a strong self-adhesive flashing tape compromising of an aluminium foil and a bitumen rubber adhesive. We also supply patination oil which when painted onto lead its seals it and stops it from weeping.