General Home Improvement LLC MHIC#  is the parent company of Radiant Barrier Maryland. We are a full service Home Improvement Company with well over 30 years of experience. We are A-plus Better Business Bureau and 5 Star Service Magic. If you have any questions you can always contact us directly on the sales or service phone numbers. Our Company goal is simple, Strong focus on customer service and to make your home everything you want it to be and more.