Inquiry (采购产品): ZONE VALVE BOX Hi, We have some ZVB that end up in some firerated walls.We are short in space to build sheetrock around them. They are in place at the first floors of our building. Is there a product we could cover or paint the boxes to achive the 2 hour rating? Thanks for your help **** Hidden Message ***** Angelo Carvajal 98296 Company: Mortenson Construction E-mail: angelo.carvajal@mortenson.com **** Hidden Message ***** angelo.carvajal@mortenson.com
