This presents a problem when it s time to repaint the exterior of the house.
Scraping asbestos siding.
You can power wash any loose paint or simply scrape and remove any.
The asbestos i worry about is the loose powdery type used to wrap pipes and such.
The first is the possible and almost certain presence of lead based paint on the siding and the second is the asbestos in the siding itself.
Use a water blaster for the large pieces and allow the siding to dry thoroughly.
Or you can hire an asbestos remediation professional to do this for you.
When you say asbestos shingles i presume you mean asbestos siding shingles.
Old asbestos shingles on your house aren t dangerous unless you start breaking scraping or otherwise disturbing them.
Begin by analyzing a paint sample for lead content.
Scraping or brushing off old paint from asbestos siding is necessary before repainting but dangerous because it can release small asbestos fibres the approach of removing the old shingles and replacing them with new siding is an option that many homeowners have pursued though probably not as safely as they should.
Latex products won t stick to chalk alkyds will.
Asbestos shingles chalk badly even after a power wash you are likely not going to be able to remove it all.
Sanding asbestos products siding floor tile etc is also unsafe but your painter should have no need for sanding.
Often since asbestos siding holds paint so well there won t be any but if there is it you must remove it before you can repaint.
Besides the need to create a good surface for painting asbestos siding there are two other areas of concern.
If you hire the job out painting asbestos siding doesn t require any special licensing as far as the contractor doing the work so you.
These are easily prepared and easy to repaint.
Use an exterior oil primer and.
In our page top photo of badly peeling paint on fiber cement lap siding we suspect that the wrong paint was used the paint was improperly mixed a primer was needed or the paint was applied over a chalked or damp surface.
The asbestos is locked into the siding so if a very miniscule amount were to escape into the air i wouldn t consider it a hazard even indoors.
Results typically take two weeks after the lab receives the sample.
Advice for painting fiber cement or asbestos cement building shingles or siding.
Normally you d scrap down the old paint from your siding but doing that with asbestos can release dangerous particles into the air.