I recall seeing a CIR a few years that addressed this issue but I'm unable to retrieve it at the Interpretations Database.

Hello, Can alternative methods for duct sealing be used besides plastic wrap? One of our contractors is proposing using foam to seal the end of the duct openings.

We are specifying a recessed walk off mat for the building in the vestibule (8' long). I remember that if the walk off mat is 10', a point is granted.

As I'm writing an e-mail to a client regarding the requirements for roll-out mats to meet LEED requirements, I'm questioning the following - if we have walk-off carpet installed over the entire Lob

I just want to check if there are any specific product specs for a LEED compliant roll-out mat? thank you Na

Hi, I am working on a project where the design scheme follows las described below. There are ERU’s which supplies the fresh air to AHU’s and FCU’s in the project.

Hi In our Project we can't apply deck-to-deck partitions in some janitor rooms so we are looking for (hard-lid ceiling) option.

Is a covered exterior grate system (e.g, outside a vestibule) at all high volume entryways an acceptable approach to credit achievement for IEQc5? Any advice or guidance would be most appreciated.

Why does the requirement of 0.5 cfm/sf exist when IEQp1 requires 0.5 cfm/sf as the minimum exhaust rate from such spaces (ASHRAE 62.1-2007 Table 6-4)? If you don't have at least 0.5 cfm/sf, you do

Does anyone know if dishwashing rooms need to meet the exhaust requirements listed in this credit?