[Greenbuilding] [BULK] FW: Plywood Off Gassing

[Lawrence Lile]

Plywood and chipboard with exterior based glue do not offgas
signifigantly.  I'd spec exterior glue materials even on the interior.
The interior stuff uses urea formaldehyde, but the exterior stuff uses
phenol formaldehyde that the USGBC says doesn't cause much IAQ problem.
You might research this with your particular supplier to learn more -
suppliers are catching on and reacting.  

All off-gassing materials start off heavy and diminish over time.
Another poster has recommended some sealants, but I say it is better to
eliminate the source.  

--Lawrence Lile
  

-----Original Message-----
From: greenbuilding-bounces at listserv.repp.org
[mailto:greenbuilding-bounces at listserv.repp.org] On Behalf Of John
Messerschmidt
Sent: Thursday, October 19, 2006 11:23 AM
To: Greenbuilding at listserv.repp.org
Subject: [BULK] [Greenbuilding] FW: Plywood Off Gassing
Importance: Low

 

Hi There,

Could someone please answer 2 quick questions?

 

1.	Does plywood or MDF quit off-gassing after a certain amount of
time?

 

 

2.	Would paint or polyurethane seal in the urea formaldehyde or
other
chemicals?

 

 

3.	If so, which would be more effective?

 

 

Ok, 3 questions.

 

 

Thank you,

 

 

John Messerschmidt

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