 Join expert Scott Wilkins from 8 to 8.30 this coming Saturday on WGMD's 92.7's Ask the Expert and find out about power washing your house and cleaning the black stains from your roof. That's Ask the Expert this coming Saturday at 8 on WGMD's 92.7. These days, we have all had to work together, just like your car's heating an A.C. Whether your heat's blowing cold or A.C.'s running hot, Lewis Meineke has you covered. Call to schedule an appointment today. Lewis Meineke, 302-827-2054.