The issue here is asbestos and the risks of serious lung diseases it can cause.
Siding over asbestos tiles.
Both the epa and the vinyl siding institute recommend not disturbing asbestos if at all possible.
Some people attempt to solve the problem of deteriorating asbestos siding by installing vinyl siding over top of it.
Installing vinyl siding will require disturbing the asbestos by nailing into it.
Even a single airborne fiber of the most dangerous types of asbestos can eventually cause a particular form of lung cancer if inhaled.
If a siding company removes an outer layer of siding and finds an older layer of asbestos cement siding beneath the standard procedure is simply to cover it over with new siding rather.
Unless asbestos siding is disturbed it doesn t pose a significant health hazard and does not need to be removed.
Vinyl tile is an excellent option for sealing in asbestos tiles.
It s pretty serious but according to health canada one of the world s leading sources of unbiased information on the subject if.
This is trickier as you can t simply slap mortar down on top of old asbestos tile put down the new tile and expect a good result.
It is available in a variety of sizes and shapes to match many of the old siding shingles installed over the last 60 years.
However once considerable testing proved that it was a killer the miracle became a nightmare to deal with and remove.
This practice is not recommended for a number of reasons.
One of the biggest factors of installing a new floor over the old is thickness.
Sbestos was once considered a miracle material used in everything from paint and pipe insulation to even tiling.
It s not the asbestos that s the issue but instead the slick surface that will cause your tile job to fail.
Removing asbestos is often cost prohibitive for most people.
And if you try to.
Most siding companies are well experienced at techniques for covering over existing asbestos cement siding with new vinyl aluminum or fiber cement siding.
Now this is a very brittle type of material i ve worked with it a lot over the years.
Weatherside fiber cement siding is the 1 and weatherside fiber cement siding is the 1 and only solution for replacing or repairing old asbestos siding shingles.
And make no mistake asbestos is dangerous.
If you aren t removing the old floor you may be creating a new floor that is too thick for doors to open and shut or for thresholds to have clearance.