I have an industrial flooring product that is a 3-part system (primer, waterproof membrane and topcoat (which is solid gray). It would be installed on the concrete slab of a mechanical penthouse t

If an adhesive is used to secure batt insulation, I would think that adhesive also needs to be included in the group 1 section for sealants and adhesives. Is that correct?

Has anyone found a sanded grout that doen't have silica sand in it? It seems like our only option is to go with an unsanded grout or something more expensive....

We are looking to use metal ceiling tiles with powder coated paint that is painted at the factory. Are such tiles required to comply with CDPH/EHLB Standard Method v1.1?

We used a product that has more than 1% carcinogen content. Is it possible to budget carcinogens in the same way that products containing more than the allowable limit of VOCs can be budgeted?

Fiberglass insulation is used for ductwork & insulating mechanical piping, does this insulation have to comply with the IEQ4, Group 4 requirements?

we've known for years about the change in VOC classification from having a dedicated category of Intumescent Coatings to considering them as an Anti-Corrosive coating.

Does door and wall protection count as a wall finish? Does it need to be listed on the IEQc4, Group 2 - Wall & Ceiling Finishes Table on the IEQc4 Form and have to comply CDPH/EHLB Standard Me

Is a release DIESEL agent prohibited under this or any other credit in LEED Certification?

If certified under Version 2.1, does a product that has a C2C-Gold certification meet the emissions and testing requirements of CDPH (CA 01350)? Or would it need separate CDPH certification by ano