Our Par Redwood Door Stop Firecheck is the perfect way to prevent smoke and heat from escaping through fire doors. The Firecheck door stop is designed to maintain the integrity of the fire door. The wooden door stop will fit snuggly and neatly in with any fire door structure giving it that added security and protection. The Par Redwood Door Stop Firechecks are all cut from slow grown Scandinavian timber, increasing its durability and strength giving it added protection from bumps and scrapes.