I would like to know if there is a maximum obstruction height of views for option 1.

I am working on a residential building, the exterior wall assembly as R-19 fill cavity between studs for an 3.5" depth (wood studs 2x4 16" OC) but in the ASHRAE table A3.4, there is no value menti

We have one non-compliant product on the project to date. It is a PVC glue- less than a liter was used.

Are there any conflict of interest concerns if a contractor hires the air testing company versus the owner or A/E?

Does the steel stud count as different material than the track?

Hi, Our project includes railway station within the LEED ND v2009 project boundary, but no bus stop.

We are designing apartments with mixed mode ventilation--the areas within 25 feet of a window will be naturally ventilated and the rest of the dwelling units will be mechanically ventilated.

Our project is a 4-floor fit-out of a hospital tower (Less than 200,000 SF of an existing 8 Million SF building).

Working on a project which is using NC 2009 version. We have to submit for construction preliminary review, We have achieved 97% const.

We've registered for EApc67 for our LEED O+Mv4 project.