Mark writes
Demon WP is only labeled for fleas outside. It is not labeled to treat fleas on the inside of the home or structure. Please click on the link for indoor flea treatment products. It is recommended to mow the lawn 1-2 days prior to treating for fleas. You should perform an application once every 2 weeks. It is also best to apply with an IGR (insect growth regulator) such as Archer. Flea Treatment Article
Answer last updated on: 05/26/2015