[Greenbuilding] fireproof light deck

Fri Apr 8 08:55:58 CDT 2011

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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