Profile: D&M Insulation Systems Inc. specializes in insulation installation, building construction, foam, soy-based, energy star compliant, polyurethane, spray, low-density spray & water-blown semi-rigid polyurethane foam insulation. We offer a special, earth-friendly, soy-based home insulation called Heatlok Soy. This product is a spray polyurethane foam that is soy based, made from recycled plastics, and is guaranteed not to deplete the ozone layer.