Re: 310 CMR 78.00: Ban of Covered Products Containing Certain Flame Retardants. This law took effect as of April 01, 2021, and is enforced by Mass DEP. 

Full text: https://www.mass.gov/regulations/310-CMR-7800-ban-of-covered-products-containing-certain-flame-retardants

Quick Summary: Law bans 11 types of chemical flame retardants from... Read more

Hi everyone, 

The winning date for our Waste Management call is 3/24/2020 from 12pm-1pm PST.

Here is a link to the Google hangouts meet as well as a call in number for those without gmail accounts:

meet.google.com/cae-gdxd-qpp

(‪US‬)‪+1 240-224-0800‬

PIN: ‪996 308#‬

I am working on putting together an... Read more

Hello everyone,

Wondering if anyone has evaluated/considered/specified wood fiber insulation for use in lieu of mineral wool as the exterior wall insulation?  Am mostly looking to better understand domestic availability, r-value and fire/combustibility.

We have a multi-family building in DC where the client is interested in using... Read more

Greetings SDLs - I am looking for recommendations for VLT meters that folks have had sucess with (reliability, accuracy, etc.). Are there any that art partiularly useful when in the field for existing buildings? 

Many thanks,

JD