Why clean a roof?

Roof cleaning

There are a number of reasons why a roof may need cleaning.

•  Appearance
•  Mosses
•  Lichens
•  Algae
•  Leaf or debris build up
•  Restore the colour

Out of these top 6 reasons the most common reasons are Mosses, Lichens and Algae.

Mosses, lichen and algae are a major maintenance problem. As they grow they destroy decorative coatings and if left untreated they can rapidly ruin subsequent coatings.Water proofing compounds can also be effected by any of these menaces and once the water gets behind the substructure more damage can be caused.

Mosses,  lichen and algae can ruin facing bricks too and can be a contributory factor to spoiling of brickwork and concrete. But it doesn't stop there, the erosion of the mortar joints can also be due to the affects of the terrible trio.