Re: [GBlist] insulation

["Steve" <bpearl@rcn.com>]

Title: Re: [GBlist] insulation

RE: Good news for spray foam Corbond users (sorry, about the repost):

I wrote to Corbond this summer about their use of GHG depleting blowing agents.  Here is their reply:

 

Steve

 

---

Steve:

 

We are currently working on a new Corbond formula without the blowing agent 141B.  The new blowing agent made by Honeywell-General Electric is 245FA.  We currently have a prototype of the product and expect to have the replacement version of Corbond ready sometime in 2003.  If you have any further questions, I am out of the office on sales trip but will be back in on Monday, July 16th.  Thank you for your interest.

 

Blair Johnson

National Sales Manager

skp 

-----Original Message-----
From: Bettina & Steve [mailto:bpearl@rcn.com]
Sent: Thursday, July 05, 2001 5:01 PM
To: corbond@corbond.com
Subject: HCFCs

Dear Corbond

 

You currently use 1,1-Dichloro-1-fluoroethane in your product.  As I understand, this gas is included in the accelerated phase out schedule of the Montreal Protocol. By 2004, developed countries must reduce their consumption of 1,1-dichloro-1-fluoroethane by 35 percent.  Under the Clean Air Act, there will be a ban on production and importing of 1,1-dichloro-1-fluoroethane effective January 1, 2003. 

 

How will this affect your company?  Do you plan to use a benign substitute?  I'd like to be able to recommend Corbond, but need some information about your use of HCFCs.

 

 

Thanks,

 

Steve Hebden

Maintenance and Environment,

Weavers Way

 

----- Original Message -----

From: Sarah Holland/David Foley

To: Greenbuilding

Sent: Monday, February 25, 2002 10:50 PM

Subject: Re: [GBlist] insulation

on 02/25/2002 4:32 PM, Jan Fillinger at janfillinger@jb.com wrote:

I am interested in a high efficiency blown-in insulation for a cathedral ceilings without ventilation.  I know a little about Icynene, which has an installer in our area (Eugene, OR).  I just recently heard about Air-Krete (cementitious) and about Corbond (polyurethane).  Does anyone know more about these or any other products that would be environmentally (more) benign and provide more than R-5 per inch?   

Thanks,

Jan Fillinger

Jan,

Of the 3 options, only Corbond � will give you above R-5 per inch.  I believe that it’s not actually a polyurethane, but a polyisocyanurate, but the chemists among us will need to clarify that.  I used to use it a lot, before I knew better.  It’s a great insulation, but the blowing agent depletes stratospheric ozone.  Although the current blowing agents have greatly reduced ozone depletion potential, they’re still powerful greenhouse gasses.  I know of one company doing high-density spray foam with zero-ozone-depletion gasses: Foamtech of Vermont.  Perhaps there are others on your coast.  We still use sprayed poly foam in rare cases, when our preferred system, dense-packed cellulose, isn’t feasible.  If you use Corbond �, one consolation for the blowing agents is the amount of energy, and therefore greenhouse gasses, you’ll be able to save over the life of the insulation job.

Best wishes,

David

--
Holland & Foley Building Design L.L.C.
232 Beech Hill Rd.
Northport, Maine 04849 USA
p: (207) 338-9869 f: (207) 338-9859 e: hollandfoley@acadia.net