Asbestos Siding I

Lead paint wasn t outlawed until 1978 so it s sure to be present on siding going back to the 1950s.

Asbestos siding i.

If your siding fits either of these descriptions you should consider having it tested. Asbestos ranks high on the list of dangerous substances because of its toxic and carcinogenic properties when airborne. Covering old asbestos shingles with new siding may seem like an option too but it s not easy to do safely. The siding may also contain asbestos if it is old with a wood grain texture to resemble cedar.

These shingles are generally 12 by 24 inches and the bottom tends to have a wave like pattern though that is not always the case. Let the siding dry then prime and paint with the best exterior latex you can find. The use of a pressure washer for maintenance can crack the siding and lead to moisture intrusion if the pressure setting is high enough. Asbestos cement can be dangerous if pulverized by sawing sanding breaking etc.

If you suspect that your siding may contain asbestos there is no need for alarm. Testing your siding for asbestos. Asbestos cement siding is very brittle and can be easily chipped cracked or broken. Asbestos siding was made by adding asbestos a naturally occurring mineral to portland cement.

In fact asbestos is a naturally occurring mineral that was added to portland cement between the 1920s and 1980s. Asbestos shingles are relatively strong but brittle.