Asbestos like lead becomes a threat only when they are cut or sanded into a dust.
Safe way to put new siding over asbestos siding.
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.
Covering old asbestos shingles with new siding may seem like an option too but it s not easy to do safely.
In that case you add some extra insulation on to the walls of your house.
Applying a layer of sheathing or sheets of foam insulation over the asbestos then covering it with vinyl siding is a common practice.
You can t drive screws and nails through them without pre drilling.
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.
When you nail siding to the house remember to nail the siding loose.
If you have tough rules keep the siding and use tarpaper only.
Place the top edge of the plastic sheeting at the top of the exterior wall above the siding.
If the job had been done right the house would have been a total loss.
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.
This practice is not recommended for a number of reasons.
However removing the asbestos siding first though more expensive is the best alternative in the long run.
Some people attempt to solve the problem of deteriorating asbestos siding by installing vinyl siding over top of it.
Shattered cracked broken pieces of asbestos siding were allowed last time i heard to be thrown out the normal way.
I ve seen house fires where the vinyl siding burned off only to reveal the superior asbestos shingles underneath which saved the house.
Asbestos shingles are relatively strong but brittle.
The plastic is used to create a barrier to the elements as well as prevents the siding from rubbing against the painted asbestos siding.
If the shingles are to be removed they should be wetted during the process.
Start by hooking the siding on the bottom of the starter strip with the nail holes facing upward.
Let the siding dry then prime and paint with the best exterior latex you can find.
Nail it in place using several nails a few inches apart until the top of the plastic is fully attached.
