[Greenbuilding] fireproof light deck

Mon Apr 4 13:15:03 CDT 2011

I guess I could and maybe David Bergmen knows more but I do know that right
now the only things allowed are concrete and metal. They recently said Ipe
is no good. That gives me a pretty good idea of what will work.

Gennaro Brooks-Church

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

On Mon, Apr 4, 2011 at 11:01 AM, John Straube <jfstraube at gmail.com> wrote:

> Oh so a bribe:)
> Sounds like you need to refine your question by looking at code in more
> detail or speaking with the code official.
>
> Sent wirelessly from my BlackBerry device on the Bell network.
> ------------------------------
> *From: * Gennaro Brooks-Church <info at ecobrooklyn.com>
> *Sender: * gennarobc at gmail.com
> *Date: *Mon, 4 Apr 2011 10:33:04 -0400
> *To: *John Straube<jfstraube at gmail.com>
> *Cc: *Green Building<greenbuilding at lists.bioenergylists.org>
> *Subject: *Re: [Greenbuilding] fireproof light deck
>
> 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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