8 Experts Deep Clean Decades of Household Grime

Eight professionals walk us through how they deep clean hard-to-reach and often overlooked areas around the house. These challenging projects often require specialized skills due to the accumulation of grime over time. Think clearing out an air vent that hasn't been touched in almost half a century or restoring a roof that’s been neglected for nearly three decades. These specialists prove that some things — like excavating sewage pipes — are best left to the professionals.