Asbestos cement roofing siding history dates codes patents give a history of cement asbestos siding roofing product use.
Corrugated asbestos siding.
Is corrugated asbestos cement roofing a problem as it is.
Asbestos cement is usually formed into flat or corrugated sheets or piping but can be molded into any shape wet cement can fit.
Metal corrugated roofing duralita and asbestos cement corrugated roofs also fiberglass corrugated roof panels.
Photo guide to all types of corrugated roofing systems and products.
But now i am quite paranoid and am wondering just how dangerous this actually was.
Asbestos cement faced competition with the aluminum alloy available in large quantities after wwii and the reemergence of wood clapboard and vinyl siding in the mid to late twentieth century.
These non asbestos sheets can be used to replace old asbestos or metal sheets.
Fibrous cement created an easy and affordable alternative to corrugated metal panels which offer little insulation and inevitably rust over time.
We include research articles as well as patent citations that help trace the use of asbestos cement in and on buildings from the late 1800 s to the present.
Guide to siding over asbestos cement siding.
He didn t use a mask or anything at all for most of it despite my big objections as he said it was totally safe.
Exposure to and breathing asbestos fibers can result in lung problems and cancer.
And i have found asbestos corrugated paper insulation right inside the air plenum some older heating furnaces as well as of course ubiquitous asbestos pipe insulation and paper duct wrap photo at left.
Corrugated fiber cement boards can be used on new construction or remodeling as roofing or cladding on commercial residential agricultural or industrial buildings as well as hangers.
Asbestos siding is composed of asbestos fibers mixed with portland cement.
Here is a photo guide and text that can assist in identification and evaluation of the condition of corrugated roofing products.
It is very brittle and has a tendency to crack and break when nailed which can release asbestos fibers into both the air and ground.
Cement asbestos siding shingles.
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.
This article gives a history of the production use of asbestos cement roofing siding products.
A competent onsite inspection by an expert usually finds additional clues that help accurately diagnose a problem or that can more accurately estimate the age and thus the chances that your corrugated roof is an asbestos containing product.
Corrugated asbestos sheets were used in the roofing and siding of all types of buildings especially in factories and farms.
