Bryzerman, Dicor is a company that makes roofing materials, sealants and other things. The dicor being referred to in this thread is one of their products, Dicor 501 / 502 self leveling lap sealant that you see on your front / rear roof seams, around vents etc.
John and Rebecca Dickson
Emma-8 / Little John-5 / Iva-1+
2013 Ford F-350 Lariat FX4, CC LB PSD, DRW
2015 Jayco Jay Flight 28BHBE (#8)