Would structural insulated panels made from PS foam cores sandwiched between OSB (Oriented Strand Board) panel faces qualify?
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Tristan Roberts
RepresentativeVermont House of Representatives
LEEDuser Expert
11477 thumbs up
November 8, 2011 - 2:00 pm
Nena, the OSB is definitely a composite wood product that would have to have no added urea formaldehyde to meet the credit requirements. Does that answer your question?
David Posada
Integrated Design & LEED SpecialistSERA Architects
LEEDuser Expert
1980 thumbs up
November 8, 2011 - 8:24 pm
Plywood and OSB that are exterior grade are not typically made with urea formaldehyde resins. (UF glues are not usually waterproof.) These often do contain phenol formaldehyde, a more water proof resin, which is not prohibited by the credit. I've heard that phenol formaldehyde doesn't off-gas at room temperatures the way urea-formaldehyde does, so that may explain why it is allowed here.