Duraflame is America s #1 brand of firelogs. Duraflame 5LB firelogs provide all of the ambiance of a wood fire without the mess or hassle. Duraflame firelogs light fully in less than 5 minutes and burn for 3 hours in any type of open hearth fireplace. Not one single tree is cut down to make a Duraflame firelog and because they burn 80percent cleaner than wood you re also helping to reduce the emissions in your neighborhood.