There are several issues with your plan.
Does james hardie siding have asbestos.
This made asbestos an important resource in the 1800s when buildings were more susceptible to fire.
A 1930s ad for trouble free asbestos products sold by james hardie.
Is there asbestos in hardiflex fiber cement board.
James hardie s new products no longer contain asbestos but werfel s lawyer claimed the company should have done more to alert the public to the existence of asbestos in its old products which were used in old homes.
Since 1987 hardie products have not contained asbestos.
Asbestos is a naturally occurring mineral that has been mined and used commercially for centuries.
Battling james hardie tom benson who had worked at port adelaide and later been diagnosed with asbestosis made the first common law claim against james hardie in 1975.
The most notable feature of asbestos is that it does not burn and is resistant to flames electrical and chemical damage.
The fiber replacement is organic wood pulp.
James hardie siding is dimensionally stable so it does not expand or contract which is one of the reasons that it holds paint so well.
The james hardie company continues to settle claims with employees and customerswho have been subject to asbestos related cancers presumably from working closely with the building product.
This will look terrible and likely void the warranty.