 mellowhaveworld.com for use by adults 21 years of age or older. MR number 281-811. Hi, I'm Tony Hafford from TC Hafford Basement Systems, the all things basement-y company. Basement waterproofing, basement structural repair, humidity and mold control, and nasty crawl spaces too. Since 1991, over 15,000 Maine homeowners have trusted TC Hafford Basement Systems to fix their basements.