NRMCA, BWS Active in New Thermal Bridging Standard
The American Society of Heating, Refrigeration and Air Conditioning Engineers (ASHRAE) writes Standard 90.1 governing building design for energy use. The committee has released the latest version of the thermal bridging appendix for a second public review. This appendix would change the way the ready mixed concrete industry designs anything that penetrates into the building envelope, including balconies and floor/roof to wall connections. Build With Strength (BWS) and NRMCA oppose adoption of this appendix as it is excessively difficult to apply to real-world buildings and may require details that cannot be built. Anyone may submit a public comment and the appendix is open for comments through Monday, May 4. BWS and NRMCA are actively involved in opposing this measure through participation on the governing committee and close coordination with our industry allies.
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