Moldy AdvanRech subfloor

My Hello. I just finished a new construction build and have discovered my advantech subfloor first floor underside (basement ceiling) has mold.  I know Advantech has a 500 day guarantee… My Hello. I just finished a new construction build and have discovered my advantech subfloor first floor underside (basement ceiling) has mold.  I know Advantech has a 500 day guarantee…Read MoreGreenBuildingAdvisor