Green Certification Roofing & Insulation is a Specialized Insulation Company. Our products and services cater to the demands of unique designs and high performance construction. We are pleased to offer our clientele one of the truly Natural and Proven insulations on the market today. AMERROCK - Spray Applied Rockwool Insulation. This distinctive spray insulation exceeds all the new code requirements without the additional cost. It offers Superior Fire, Thermal & Sound Protection for your home or building. We all play a part in the Global Environment, thus we can all make a difference in "Preserving Energy for a Sustainable Future".