Is it safe to scrape moss off asbestos roof?
Don’t brush or scrape off moss, lichen or algae growing on the roof sheets; this may release asbestos fibres unnecessarily. … Seal it and dispose of it with the waste asbestos-cement.
How do I get rid of moss on my corrugated asbestos roof?
first power wash the roof to get rid of all the moss. Then use something like isoflex rubber compound to seal the cracks, then spray a silicone solution like aquaseal over the roof to protect it. Thanks for the advice.
Can an asbestos roof be cleaned?
Why the extreme reaction? Although asbestos cement products are fairly safe under normal circumstances, if you start disturbing the surface, asbestos fibres will be released. … Using pressure washers to clean the panels had blasted the harmful fibres into the environment.
Can you pressure wash asbestos roof?
High pressure washing is not recommended for cleaning asbestos roofs. In fact UK the government warn against it, as an unpredictable high pressure jet can cause risky contamination.
Can you paint over asbestos roof?
Painting over asbestos tiles can provide a safe and effective way to cover up the material and seal the asbestos. However, this should only be done if the time is intact. If you notice any damage to the asbestos tile you may require a professional to help with the safe removal of the material.
Can I paint an asbestos roof?
Asbestos cement can be painted but extreme care must be taken not to loosen or release any dust or fibres. In fact, painting can make the material safer by sealing the surface. If you suspect that the material is straight asbestos rather than asbestos cement, do not touch – call in experts.
Can you repair an asbestos roof?
When repairing asbestos cement roof damage with sealants or localised repairs isn’t possible, you could consider overcladding, by putting another roof (normally metal) on top of the old roof. This is a proven technique for repairing asbestos roofs and the next best method after coating.
Can you walk on corrugated asbestos roof?
The simple fact is that you should never walk directly on an asbestos roof. The fragile nature of asbestos cement sheets means that they can give way without warning. … This means that by walking on the roof in this way, you’re effectively walking a tightrope.
Can you paint asbestos roof shingles?
Bill Feist, an expert on finishes in Middleton, Wisc., responds: Since asbestos-cement shingles do not expand and contract with humidity changes like wood siding does, they hold paint very well. … Priming may not be necessary if the old paint is in good condition (free from peeling, cracking, flaking, etc.).