[Greenbuilding] fireproof light deck

David Bergman bergman at cyberg.com
Fri Apr 8 07:29:45 PDT 2011


My only intersection with it was to price it for a large deck and 
stairs (on a tight budget) in California and it was more expensive 
than local redwood -- enough more that I couldn't convince the client 
to go for it.  But it did look  like an interesting alternative. (I 
wasn't overjoyed about the selection of redwood.)

David

At 09:55 AM 4/8/2011, you wrote:
>has anyone used Timbersil? Price?
>
>Gennaro Brooks-Church
>
>Cell: 1 347 244 3016 USA
>www.EcoBrooklyn.com
>22 2nd St; Brooklyn, NY 11231
>
>
>
>
>On Fri, Apr 8, 2011 at 7:50 AM, Ron Cascio <roncascio at verizon.net> wrote:
> > Once again, a domestic softwood, with class A fire rating;
> >
> > http://www.timbersilwood.com/specifications.htm
> >
> > I would suspect that this material in 1x or 5/4 would meet the weight test
> > Gennaro needs also.
> >
> >
> > Ron
> >
> >
> > ----- Original Message -----
> > From: Tim Vireo Keating
> > To: Green Building ; Gennaro Brooks-Church
> > Sent: Thursday, April 07, 2011 1:51 PM
> > Subject: Re: [Greenbuilding] fireproof light deck
> > Dear David and Gennaro,
> > Brooklyn Bridge Forest is not necessarily any longer looking at greenheart.
> > As well, it is unlikely that there will be any "sustainable" source of
> > greenheart, ever. At least, not greenheart that would at all be durable,
> > since, as I may have mentioned before, other than teak, almost all the
> > tropical hardwoods imported into the US that are popular because of their
> > durability get that durability from the fact that the wood is from trees
> > that are 250 - 1000 years old. That is, they are extremely dense 
> as a result
> > of their age. Teak, on the other hand, has an inherent oiliness that gives
> > it extreme durability. This inherent durability can come about even in much
> > younger tress. The same is true of a few other species (I have 
> mentioned, ad
> > nauseam, black locust) that have inherent durability when even young.
> > However, all domestic hardwoods have a Class B or C fire rating and thus do
> > not solve Gennaro's problem.
> > As far as recycled plastic lumber, I believe that Axion can add a spray-on
> > fire retardant to their material. However, Axion recycled structural
> > composites are not necessarily lighter than tropical hardwoods, so I don't
> > know if that makes them too heavy for Gennaro's situation.
> > I would be happy to contact Axion folks to find out if the flame-retarding
> > coating is currently available and details about it (including 
> the weight of
> > the material).
> > Of course, one would have to assess load-bearing capacities vs. profiles,
> > since this would be different than wood, and then factor that into weight
> > calculations.
> > tim keating
> > At 12:13 AM -0400 4/4/11, David Bergman wrote:
> >
> > 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/) 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
> > 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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David Bergman  RA   LEED AP
DAVID BERGMAN ARCHITECT / FIRE & WATER LIGHTING + FURNITURE
architecture . interiors . ecodesign . lighting . furniture
bergman at cyberg.com    www.cyberg.com
241 Eldridge Street #3R, New York, NY 10002
t 212 475 3106    f 212 677 7291  
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