The Volcanic Chimney Company is located in JJ's Guesthouse, Dyfed. Whether you are a domestic or commercial client with a new, old or even listed building, our natural chimney lining installations is just a phone call away. Your chimney is one of the most vital assets of your home. Making sure it's burning cleanly is very important to you and your family's health and safety. Luckily, The Volcanic Chimney Company provides expert chimney maintenance at a rate you can afford. We provide free quotations. In addition to our chimney services.