How wide should a firebreak be? Most firebreaks range from 6 to 20 feet wide depending on vegetation density, terrain, and risk level. By Alabama Site Work|Alabama Land Management, Alabama Site Work, Firebreaks Company|Comments Off on How wide should a firebreak be? Share This Story, Choose Your Platform! FacebookXRedditLinkedInWhatsAppTelegramTumblrPinterestVkXingEmail About the Author: Alabama Site Work