Alternatively if you leave the asbestos on your home you can safely seal the old siding underneath the new siding and because asbestos is an excellent insulator you will actually be adding to the energy efficiency of your home by leaving it on.
Safe way to put new siding over asbestos siding.
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.
Scraping or brushing off old paint from asbestos siding is necessary before repainting but dangerous because it can release small asbestos fibres.
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This practice is not recommended for a number of reasons.
How would i put hardie siding over asbestos siding.
Place the top edge of the plastic sheeting at the top of the exterior wall above the siding.
Some experts recommend screwing rather than nailing when new siding is installed over existing asbestos cement siding.
If the job had been done right the house would have been a total loss.
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Some people attempt to solve the problem of deteriorating asbestos siding by installing vinyl siding over top of it.
Wrap asbestos siding in 6 mil thick plastic sheeting and secure the plastic with duct tape or place the debris in heavy duty plastic bags.
Nail it in place using several nails a few inches apart until the top of the plastic is fully attached.
If the shingles are to be removed they should be wetted during the process.
No installing new siding over the old asbestos siding isn t a viable option.