780 CMR 16.00 — Chapter 16: Duct Systems Amendments

16.00 Chapter 16: Duct Systems Amendments

THIS IS AN UNOFFICIAL COPY OF THE REGULATIONS – OFFICIAL COPIES MUST BE OBTAINED FROM THE SECRETARY OF THE COMMONWEALTH

780 CMR: MASSACHUSETTS AMENDMENTS TO THE INTERNATIONAL BUILDING CODE 2021

780 CMR 51.00: MASSACHUSETTS RESIDENTIAL CODE (Amendments to the 2021 International Residential Code)

CHAPTER R16 DUCT SYSTEMS Revise and replace section M1601.3 Duct insulation materials as follows: M1601.3 Duct insulation materials. Duct insulation materials shall conform to the following requirements and the requirements of Chapter 11 of 780 CMR 51.00: Massachusetts Residential Code. Revise and replace section M1601.4 Installation as follows: M1601.4 Installation. Duct installation shall comply with Sections M1601.4.1 through M1601.4.10 and the requirements of Chapter 11 of 780 CMR 51.00: Massachusetts Residential Code. Revise and replace section M1601.4.6 Duct insulation as follows: M1601.4.6 Duct insulation. Duct insulation shall be installed in accordance with the following requirements and the requirements of Chapter 11 of 780 CMR 51.00: Massachusetts Residential Code. Where conflict exists between the requirements of this section and Chapter 11 of 780 CMR 51.00: Massachusetts Residential Code, the requirements set forth in Chapter 11 of 780 CMR 51.00: Massachusetts Residential Code shall govern.