Now that you have your backer board up and set firmly in place you can put the siding up safely without worrying about the asbestos falling down behind the siding.
Safe way to put new siding over asbestos siding.
Was the problem that they put new siding over old or that they put new siding over a rotted wall with no drainage plain in between.
Shattered cracked broken pieces of asbestos siding were allowed last time i heard to be thrown out the normal way.
Applying a layer of sheathing or sheets of foam insulation over the asbestos then covering it with vinyl siding is a common practice.
This practice is not recommended for a number of reasons.
Some experts recommend screwing rather than nailing when new siding is installed over existing asbestos cement siding.
When you nail siding to the house remember to nail the siding loose.
However removing the asbestos siding first though more expensive is the best alternative in the long run.
But be sure to check your local building codes first to see if it is allowed in your area.
If the shingles are to be removed they should be wetted during the process.
Covering old asbestos shingles with new siding may seem like an option too but it s not easy to do safely.
If you have tough rules keep the siding and use tarpaper only.
Some people attempt to solve the problem of deteriorating asbestos siding by installing vinyl siding over top of it.
Asbestos like lead becomes a threat only when they are cut or sanded into a dust.
In that case you add some extra insulation on to the walls of your house.
If the job had been done right the house would have been a total loss.
You can t drive screws and nails through them without pre drilling.
Asbestos shingles are relatively strong but brittle.
First the siding installation process itself nailing into the existing boards or tiles is enough to disturb the existing material and create a dangerous condition.
I ve seen house fires where the vinyl siding burned off only to reveal the superior asbestos shingles underneath which saved the house.
Start by hooking the siding on the bottom of the starter strip with the nail holes facing upward.
As a rule when new vinyl siding is installed on top of the asbestos the three eight insulation underlayment has to be installed behind it so it adds even more to the energy efficiency of your house.
Nail it in place using several nails a few inches apart until the top of the plastic is fully attached.