This flashing solution is for pipes through slate and tile roofs. Grey Silicone flashings are used with pipes where heat can be up to 200 degrees C.The Seldek aluminium won't stain or corrode roofs and gutters.The Grey Silicone cone, which is trimmed on site to fit, is ingeniously locked to a high grade and malleable 99.9% pure aluminium base.The fast economical way to flash a tile roof.PropertiesSize Range: 160 to 300mm.Base size: 764mm x 764mm.Base type: Aluminium.