#Asbestos roof tiles how to
#Asbestos roof tiles series

We were told by a tenant that the building owner received a settlement on this roof but has not replaced it. They were installed in 1986 and were photographed (above) in 2014, making them 28 years old. What about the shingles shown just above? These contemporary fibre cement products use filler and reinforcement that does not include asbestos, commonly fibreglass. We wanted to know if these building roofs contain asbestos. Test for Asbestos in a 28-year old Omaru New Zealand RoofĪbove, the Heritage Court Motor Lodge, Omaru, New Zealand sports buildings using an older synthetic 'slate' that was, at the time of our inspection, quite worn and deteriorating. You should be able to dispose of a broken slate as construction debris. Unless you're grinding or sawing the material it's doubtful that there is a detectable particle release in the air around the broken slate. If you know the country and city of origin of the material and its manufacture date that will place it in or out of the era when asbestos might have been used.įurthermore, even if the manufactured-slate does contain asbestos that's no reason to be frightened of it. In any event it's not a friable material. That does not mean you'd assume the slate contains asbestos as fibers could be fiberglass, cellulose, or something else. In your fiber-cement or synethtic slate product shown earlier and and in a closeup just below, I too, see the homogenous, solidified, particulate-based material with some fibers in the broken edge of your product - to be expected in a manufactured slate product, though there is at least one polymer-based synthetic roofing slate that also has a layered-look to the product's edge (described below). Benuza (León) Spain and distributed also in New Zealand (cited below). Below is a natural slate from the Quarry Armadilla. Watch out: some slate, depending on its quarry of origin, may be more stone-like and may not show layering. You can see the fine layers visible in the edge of any natural slate material. In most but not all natural or quarried slate you can see the layers that comprise the slate, as it was mined from a slate quarry, in this photo from our article SLATE ROOF LIFE EXPECTANCY You're right that the slate roofing product in your photos is man-made, not a natural true-slate material - slate would be apparent as a layered material Reply: yes in some older products, not all Anonymous, Dorset, UK, by private email 7

Is it ok just to double-bag it and throw it away - is it considered a risk if left where it is?Īny suggestion or explanation would be much appreciated. this particular tile (see enclosed pictures and below) looked to me like natural slate, but when I looked closer at the broken edge, I could see fibrous material embedded therein.Ĭould this be asbestos-containing fiber cement, do you think, and if so, what would you recommend doing with this broken slate? Is There Asbestos in Manufactured / Synthetic Roofing Slate? Question: should I be concerned about asbestos in this roofing slate? We also provide an ARTICLE INDEX for this topic, or you can try the page top or bottom SEARCH BOX as a quick way to find information you need.

#Asbestos roof tiles how to

How to inspect, identify defects, and estimate remaining life of slate roofs are addressed.

#Asbestos roof tiles series

This article series describes procedures for evaluating the condition of slate roofing.

Here we discuss the presence of asbestos in some but not all synthetic slate roofing products. We have no relationship with advertisers, products, or services discussed at this website. InspectAPedia tolerates no conflicts of interest.