deck = asbestos sheet

SO what's wrong with this?  Doesn't Look Too Bad, Right?

The cantilevered structure of the balconies are fine.  There's some blistering paint on a nearby wall but thats just paint work.

The balcony iron work is in good shape, firmly attached and no rust.  Caulking could look neater but it's doing its job.  All the balconies on the street side are like this, no rotting wood. The rear balconies are another story however.

 Did you notice the garage doors?  They are roll ups but they have man doors build into them.  They haven't been used for cars for years but they operate just fine, manually, and the man doors are functional too.

So has my miss-direction kept you from seeing the really interesting detail?...Maybe.

Here's a close up that should tell the story:

asbestos balcony deck

 

The deck covering material itself. I first zeroed in on it because of how thin it was. Naturally the next question is what is it? I've seen it before, behind and above wood stoves and furnaces but not in this application.

Later I had the chance to ask the owner about it.

I said "That decking material on the front balconies, did you have that put on?" "Yes" he said, " The original wood was rotting".

I said "Yes but the material, the deck..."

"Yes it's like.. a fibreglass.." (owner)

"You mean it's..." (me)

"Yes..It's asbestos." (owner).      He admitted it, but he wasn't going to volunteer it until I kept asking.

 

Asbestos. Asbestos sheet stock. Hard but very brittle.

The good news is that whole 4' by 8' sheets were used. There was no cutting. There is no evidence of friable conditions at the moment. Friable is the high risk condition. Dust is created. Inhaled asbestos dust is the known carcinogen pathway.

The bad news; it's asbestos, it's been there at least 5 years, probably longer. It will start to delaminate and breakdown. It will then be friable. Structurally it is an inappropriate material for this use. It is brittle and unless there is reinforcement underneath (plywood layer and close joist spacing) it is susceptible to impact damage. It will then be friable, instantly. The exposed edges can easily be damaged (picture an errant snow shovel hitting it.)

So if you are in the Montreal area, and are planning to buy or sell property, you need these risks identified. You can contact me for a full inspection or an issue specific consultation. I can also send samples and have them blind tested at independent laboratories.

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19 Comments on What's Wrong With This? Doesn't Look Too Bad, Right?

APR
29
2011
143,179 Points 1 Featured Post Attended Rain Camp

It's true that looks can be deceiving sometimes. It didn't look that bad as you pointed out.

2:18pm • #4
155,778 Points 13 Featured Posts Outside Blog Called Shot Master

Orlando you got it in three.

Hi, to commenter #2 from Florida, yes if an inspector doesen't have a good eye, he'd better take up writing fiction.

Yes Charles, yery strange. I walked on it very gingerly at first. There was no deflection so I expect it is glued down to reinforced blocking.

You're right Victor. The first impression is positive. Everything looks clean and in good shape.

3:01pm • #5
347,636 Points 70 Featured Posts Outside Blog Called Shot Master

As someone who specializes in Vintage homes, I come across asbestos often.  As a useful material, I love it.  However, in several decades of working on older homes, I have never once seen it used in an application such as this.  Can't even imagine the lack of integrity a decking like this might have . . . good call!

3:18pm • #6
155,778 Points 13 Featured Posts Outside Blog Called Shot Master

Hi Mimi. It's a first for me as well to see it applied like this.

3:25pm • #7
544,821 Points 120 Featured Posts Called Shot Master

Robert:  I thought it was going to be the very strange garage doors.  Asbestos!  Wow.  My mom had asbestos oven mitts for years.  She claimed she never burned her hands - as if.

5:03pm • #8

In my previous career I've seen asbestos get blown way out of proportion. A phase I can lead to a Phase II Environmental study can and they can cost thousands only to reveal it was a waste of time, money and effort. Silly owner.

5:09pm • #9
155,778 Points 13 Featured Posts Outside Blog Called Shot Master

Valerie I can remember the local movie theatre where I grew up.  Any thing we saw, from westerns to 'Robinson Crusoe' to 'The Blob', it was there.  All those imaginary adventures, it was magical.

And all the time the 'cloth' material of the seats was woven asbestos. It was an advertised feature of the place.

 

Hi Evan.  Yes the reaction can be disproportional. If there is no dusty conditions there is nothing to panic about. However, that being said, I have to advise clients that the presence of asbestos will be an issue in the future when they wish to sell.

7:48pm • #10
207,536 Points

This was a good post!  Thank you for the lesson.

It never occurred to me that asbestos would be in a sheet for exterior use   I always expect to see it wrapping dirty pipes.

 

Thank you 

 

10:36pm • #11
155,778 Points 13 Featured Posts Outside Blog Called Shot Master

It never occurred to me either David, but then I saw it. First glance it may not be obvious but If you're looking you may be surprised by what you see. BTW it's not made for that application.

11:41pm • #12
APR
30
2011

Very interesting. Everything down here is stucco. Stucco, stucco, stucco. I sometimes wish I lived somewhere else so I could have some interesting inspections, too.

7:20am • #13
155,778 Points 13 Featured Posts Outside Blog Called Shot Master

Hi Russel, we get stucco sometimes but it's a style thing, not the standard. EFIS is taking over, replacing stucco. Variety does make things interesting, but on the otherhand you must be a stucco expert because of your consistent experience.

12:16pm • #14
293,069 Points 66 Featured Posts Outside Blog Called Shot Master

Robert,

You have to say it will be good in case of a BBQ gone bad party. Won't burn there! That little "A" material just keeps cropping up everywhere.

8:11pm • #15
MAY
01
2011
779,227 Points 97 Featured Posts Outside Blog Called Shot Master

Interesting application! Where does one get asbestos these days? I wonder how long ago the old deck boards were replaced.

8:58am • #16
155,778 Points 13 Featured Posts Outside Blog Called Shot Master

Yeah Don, That 'A' material was 'state of the art' and 'best value for the money' not just 'at one time' but 'for a long time'.

Tom, I'm pretty sure it is still manufactured for industrial purposes and  could be ordered through building suppliers. There may even be lumber yards with 'old stock' in their warehouses.

My guess on the replacement would be less than 5 years. Currently there is no de-lamination and there is no visible staining on the surfaces.

11:50am • #17
548,445 Points 3 Featured Posts Outside Blog

Robert, thanks for this lesson, I was not even aware of asbestos sheetrock, but will keep my eyes open from now on.

12:44pm • #18
155,778 Points 13 Featured Posts Outside Blog Called Shot Master

Hi Chris, glad it was of value to you. The material was called asbestos board or paneling. I referred to it as sheet stock but I've not heard of it described as Sheetrock. Not that it matters much. The usual use for it in homes is as heat shielding on ceilings above or on walls behind hot burning appliances such as coal, oil or wood burning furnaces and sometimes wood stoves.

2:50pm • #19


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Robert Butler, Montreal, Canada Home Inspector

Montreal West Island, QC

More about me…

Aspect Inspection

Address: Montreal - West Island, Serving the greater Montreal region, Pointe-Claire, QC, H9S 4l7

Cell Phone: (514) 914-1249

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Usually I'm presenting an aspect of home maintenance, value improvement or 'how too' instructions to feature best practice ways to do things around building and property issues. Some times it's building tech history or how thing came to be as they are, the back story on terms, expressions and phrases. I keep track of the strange, the unique, the special and interesting things I get to see, including the dangers. These are filed as OMGs. OMGs always have photos, so I share the file with you from time to time. The rest come out of thin air. More than once I start writing a comment on someone else's blog and end up inking a whole new blog. Am I inspired or am I ranting? You can decide.


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