Pres-to-Logs fire logs are manufactured from 100% recycled, natural biomass material, reducing the amount of industry waste sent to landfills. Pres-to-Log premium fire logs produce a hotter, more efficient and cleaner fire than cord wood, so you will burn less overall biomass to hear your home. Pres-to-Logs are clean, uniform in size and burn consistently without bugs, bark or dirt coming into your home. They can be stored in your house with little to no mess reducing your trips to the woodpile. Pres-to-Logs fire logs also produce less than 1% ash (with virtually no creosote emissions) which makes clean up easier than cord wood.