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Hi there

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Andrew Wills
Environment Manager
R S Building Products Ltd
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Tristan Roberts
Representative
Vermont House of Representatives
LEEDuser Expert
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Thu, 06/10/2010 - 20:42

It's urea formaldehyde (UF) specifically, which is often used as a resin or glue in composite lumber products. UF is also naturaly occuring at low levels in wood, so the stipulation is to use products that use "no added" UF. There are many such products available in North America, and I'm guessing that's the same in the UK.
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Andrew Wills
Environment Manager
R S Building Products Ltd
LEEDuser Basic Member
6 thumbs up

Fri, 06/11/2010 - 08:23

Thanks Tristan. so does this mean that the binder resin cannot conatin anny Urea formaldehyde full stop. Is it that simple or is there a %age value in the composition that is allowable. Mostly here in UK we are asked to meed Class E1 formaldehyde emission standards but typically a board would contain 11-15% Urea formaldehyde and still acheiev this.
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Tristan Roberts
Representative
Vermont House of Representatives
LEEDuser Expert
7780 thumbs up

Fri, 06/11/2010 - 12:11

For LEED purposes, zero added UF content is allowed under this credit.
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Karen Joslin
principal
Joslin Consulting
LEEDuser Basic Member
140 thumbs up

Wed, 10/13/2010 - 14:20

Please be careful to distinguish between naturally occurring urea-formaldehyde (which is allowed) and that which is "added" as a component of the binder or adhesive. People new to this terminology and many manufacturers are still confused about this detail - thanks.

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