Fallon Tuttle August 3, 2020 Find us in the Fall 2020 Issue of Green Building & Design's, "Ask the Expert" Fallon Tuttle August 3, 2020 ASK THE EXPERTCheck out Laurie Hill, Technical Vice President of Rmax in the upcoming issue of Green Building & Design’s, “Ask The Expert” as she talks about the difference between polyiso roof and wall insulation. Ask the expert: Rmax