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Your properties roof can become covered in algae, moss, lichen and other organic growths.
DLcleanwindows can now provide roof clearing and treatment services in Exeter and East Devon, opting for a two stage approach.
Roof clearing to remove large growths such as moss. This involves scraping the moss down off the roof, cleaning up the remains and clearing the guttering.
Treatment to reduce or completely remove other biological growths such as algae and lichen. Removal of the biofilm can greatly improve the appearance of the roof, often returning near to it's original state and/or colour. The treatment is not instant. Although the effects can be seen very quickly, normal weathering and time is required to lift stubborn growths such as lichen. Full effects visible in 6-12 months dependent on the weather. During the chemical reaction the treatment biologically breaks down reverting to natural salts. A follow up treatment in 6-12 months will help extend the period before