This practice is not recommended for a number of reasons.
Installing new siding over asbestos chingles.
However removing the asbestos siding first though more expensive is the best alternative in the long run.
How to put siding on over asbestos step 1.
Although i do not recommend siding over existing siding i suppose a case could be made for doing so if you had an asbestos shingled house that was in great shape and you wanted to retain the fire retardant protection of the asbestos but still reside the house cheaply.
Some people attempt to solve the problem of deteriorating asbestos siding by installing vinyl siding over top of it.
I am about to install vinyl siding siding over existing asbestos siding.
If the shingles are to be removed they should be wetted during the process.
Inspect the outside of the home for any damages to the asbestos siding.
The simplest way to do this is to use a tape measure to.
The plastic is used to create a barrier to the elements as well as prevents the siding from rubbing against the painted asbestos siding.
Firring out may not be nearly as much work as you might think.
As far as removing the asbestos and doing the job right i d make a story pole and see where the courses of the vinyl siding will fall.
Install the vapor.
A common remodeling practice is to install new vinyl or aluminum siding over cement asbestos shingle siding as well as over many other older siding materials when the old siding has become damaged leaky or cosmetically ugly.
If the asbestos is in good condition a good paint job may look as good as the new vinyl siding.
Applying a layer of sheathing or sheets of foam insulation over the asbestos then covering it with vinyl siding is a common practice.
Place the top edge of the plastic sheeting at the top of the exterior wall above the siding.
It is a stick build home with 1x5x3 4 sheathing covered with roofing felt and a single layer of asbestos shingles.
A typical procedure is to install furring strips on the existing wall avoiding breaking the existing siding.
On the inside the wall construction is wallboard lath.
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.
Some experts recommend screwing rather than nailing when new siding is installed over existing asbestos cement siding.
Is there any value to wrapping the house in tyvec first before applying the vinyl siding.
Nail it in place using several nails a few inches apart until the top of the plastic is fully attached.