If the roof is pitched spray it with strong moss killer the moss killer should kill the roots which keep the moss attached to the roof.
How to clean asbestos garage roof.
But now i am quite paranoid and am wondering just how dangerous this actually was.
The roots and the moss shrivel up and wind rain and gravity wash the dead moss down into the gutter.
The first stage to cleaning should therefore be to wet down the roof and scrape off any weed or moss growth which should be placed into designated asbestos waste bags.
Although it s tempting to resort to commonplace products many are bitumen based meaning they re affected by uv light and can easily crack in the cold.
Wet cleaning asbestos involves mopping the floors and using damp rags to wipe down floors and other surfaces that have been contaminated with asbestos.
This is the only method approved by the hse in england and wales and involves using an industrial scale patio cleaning type attachment with a suitable pressure washer.
He didn t use a mask or anything at all for most of it despite my big objections as he said it was totally safe.
It does take a bit of time for this process to work so you have to be patient.
Where cracks are obvious c rack repair tape is a fast way to stop leaks in asbestos cement roofing but not all tapes are the same.
When cleaning is complete discard mop heads and rags used to clean asbestos along with the rest of your asbestos contaminated materials.
Soak the panels with water first these roof panels have very little asbestos content in them make sure that you have the correct ppe including mask and paper overhauls these will also be bagged and skiped.
Use a wet cleaning method.
The waste must be considered to be contaminated and therefore should be disposed of by a licensed disposal contractor and a consignment note issued and filed for the health and safety file.
Make sure you have the right tools at hand for the task of removal of the asbestos panels from the garage.
Using crack repair tape.
You will need to keep the asbestos cement wet so have something to hand like a hosepipe or handheld water spray gun.