[Greenbuilding] fireproof light deck

[Gennaro Brooks-Church]

I mean something the NYC DOB will accept.

Gennaro Brooks-Church

Cell: 1 347 244 3016 USA
www.EcoBrooklyn.com
22 2nd St; Brooklyn, NY 11231



On Mon, Apr 4, 2011 at 10:21 AM, John Straube <jfstraube at gmail.com> wrote:

> There seems to be some confusion.
> Non-combustible in the code does not mean "it does not burn".  It means it
> passes a silly ASTM test, and does not lose more than x % of weight (I think
> x=10%).
> All wood I have seen fails this, even fire retardent wood, because it off
> gases enough water and oils that it fails.
> Gypsum looses too much mass, and would fail, except that it is
> grandfathered.
> Fiberglass does not work. Concrete and steel do.
>
> So Gennaro, do you mean non combustible or do you mean fire rated or
> something else?
>
>
> On 2011-04-04, at 9:47 AM, Ron Cascio wrote:
>
> Check this material out;
>
> http://www.timbersilwood.com/
>
> Can't wait to try some of it out sometime soon.
>
>
> Ron
>
>
> ----- Original Message -----
> *From:* David Bergman <bergman at cyberg.com>
> *To:* Green Building <greenbuilding at lists.bioenergylists.org> ; Gennaro
> Brooks-Church <info at ecobrooklyn.com>
> *Sent:* Monday, April 04, 2011 12:13 AM
> *Subject:* Re: [Greenbuilding] fireproof light deck
>
> Gennaro,
>
> Add "eco material" to that description and it becomes an old quest of mine.
> Are you talking about something to sit directly on the "real" roof? About
> the best I could come up with when I last tackled the question was
> lightweight concrete roof pavers -- not all that eco though maybe there are
> some made with flyash.
>
> In terms of wood, NYC used to accept Ipe, but I heard a rumor they stopped
> when the fire rating claims didn't prove out. And, of course, there was the
> rainforest sourcing issue.
>
> I've looked for fire-rated recycled plastic lumber from time to time, but
> have not yet found any. (Tim V-K: any updates you've heard of?)
>
> There is a group called Brooklyn Bridge Forest (
> http://www.brooklynbridgeforest.com/<http://www.brooklynbridgeforest.com/>)
> that is trying to set up a sustainable source for greenheart for maintaining
> the Brooklyn Bridge. I'm not sure what kind of fire rating greenheart does
> or doesn't have. (According to one site I just googled, it carries a
> "high/medium" rating.)
>
> David
> David Bergman  RA   LEED AP
> *DAVID BERGMAN* ARCHITECT / *FIRE & WATER* LIGHTING + FURNITURE
> architecture . interiors . ecodesign . lighting . furniture
> bergman at cyberg.com    *www.cyberg.com* <http://www.cyberg.com>**
> 241 Eldridge Street #3R, New York, NY 10002
> t 212 475 3106    f 212 677 7291
> At 08:01 PM 4/3/2011, Gennaro Brooks-Church wrote:
>
> Hello,
> Can anyone suggest a lightweight non-combustible deck material for a roof
> deck?
> In New York a brownstone has an average flat roof of 700sq.ft. The law only
> allows 20% of it to be covered with combustible decking, which isn't much of
> a deck. Yet the non-combustible decking is too heavy for the old roofs.
> Suggestion?
>
> Gennaro Brooks-Church
>
> Cell: 1 347 244 3016 USA
> www.EcoBrooklyn.com
> 22 2nd St; Brooklyn, NY 11231
>
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>
> Dr John Straube, P.Eng.
> Associate Professor
> University of Waterloo
> Dept of Civil Eng. & School of Architecture
> www.buildingscience.com
>
>
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