Inquiry (采购产品): L&M dress and seal Has L&M dress and seal been approved for the use by WSDOT (Washington State Dept. of Transportation) for concrete sidewalks, curb & gutter sealing? The concrete is a 1/2 lb lamp black per cubic yard 3000 & 4000 lb mix. **** Hidden Message ***** richard carlstad 98104 Company: Parsons Brinkerhoff E-mail: carlstad@pbworld.com **** Hidden Message ***** carlstad@pbworld.com
