Irvin from Laredo, Texas writes
You will need 1 1/3 oz. of Permethrin SFR per gallon of water when treating for roaches. Everyone should be kept out of the treated area until everything is fully dry. It is not necessary to air out the house as long as there is adequate ventilation. You may want to look over our Roach Control Guide for more information on treating and preventing roaches.
Answer last updated on: 01/09/2017