The roof covering you are describing is a man made fibre cement slate they used to contain asbestos and an asbestos survey is usually carried out prior to any removal works.
Moss on asbestos roof tiles.
Moss can grow quite quickly and it will grow in between roof tiles filling in the voids and lifting up roof tiles and slates.
Yes bleach will kill moss on your roof.
Asbestos roof tiles are usually square shaped and their colour is generally a combination of grey and black.
They can be laid just like ordinary slate roofs and from a distance often look very similar.
Hi all what s the best way to get moss removed from an asbestos tile roof and then stop it coming back.
We find them on a lot of old farm buildings.
If you know how to identify asbestos roof tiles and suspect you have cement asbestos shingles it is advisable that you monitor your roof to check for its health.
Moss on a roof begins with a thin dusting of green that you may notice only from low angles.
Asbestos roof removal and replacement.
If the slates appear to be faded and have noticeable white parts they are most likely to be asbestos cement.
So will detergent another common moss removal myth.
What you don t hear about though is the damage that bleach can do and the long term effects of using bleach to remove moss from your roof.
This thin layer on the top of the shingles expands and becomes wide thick and mat like.
Asbestos roof tiles are usually found on domestic dwellings.
Having or buying a home with asbestos tiles does not mean you need to remove the tiles especially if they are still in good health.
I d imagine most people aren t too keen to scrub it with a wire brush for risk of particles getting inhaled and wouldn t a power washer be likely to damage the tiles.
Removing moss from asbestos tile roof.
Hose off and brush all moss loose from your roof shingles.
Carefully place a ladder near the area of moss growth and don slip resistant shoes old clothes rubber gloves and eye protection.
However asbestos can be a range of colours depending on the material it is mixed with.
A north facing roof usually has little sunlight which enables moss to buildup on the roof.