A kit for and method of affordably installing a wildfire defense spraying system is provided, which enables homeowners to automatically spray their homes and properties with environmentally-clean aqueous-based fire inhibitor from sprinkler-based sprayheads installed on their property, and either locally or remotely activatable to execute spraying operations prior to the arrival of a wildfire, so that the fire inhibiting liquid is sprayed all over combustible buildings and ground surfaces, including native ground fuel, living plants, trees and shrubs, and when dried, forms durable fire protective coatings having improved surface coverage and being an effective proactive wildfire inhibitor.