Completed one time service today. Inspected and serviced interior and exterior for yellow jacket breach. Yellow jackets breaching from under windowsill in back room. Area was self treated by contractors as well as exterior entry points was spray foam by contractors. Used aerosol in side of breach and sealed area with painters tape. Also treated exterior entry points to control yellow jacket activity. Please allow 10 to 14 days for treatment to take full effect. Thank you for choosing green pest solutions!