hi i repair many roofs like this just a calculated guess without seeing this is that condensation is running down the underside of the tile this becomes present mainly in the winter time due to xtra heating lowering the dew point the condensation is dripping or running to the inner wall fit...
thanks for your response
im pleased to see you have commitment to your trade as do i.I to have been repairing roofs for 22years and have gained a good knowledge and understandings of roof condition, i find that roof coating forms an external vapour barrier putting the sweat on the exterior...
mine is industrial 3000psi 15 litres /min which is used in conjunction with a 250litre bowser as it requires more than mains pressure i have researched moss removal and have found the best ways to remain moss free i charge £3/m2 for roofs usually £250 for full roof i have a 3 jet lance which is...
i have just bought a roof cleaning machine and hope to offer a quality product for my future customers has any one had good or bad experiences or had any downfalls with this service or advise me on any pitfalls thanks steve :idea: :idea: