Since 1981 we have worked with building designers, constructors, and owners helping them keep their structures leak free, and keep unwanted toxins from spoiling our environment. Planning a new project? We will help you unravel the complexities of designing and specifying eco-friendly "green" roofs, waterproofing, and exterior finish systems. Got a troublesome air or water leak at an existing project? We have a 100% success history of finding the causes of air and water leaks on hundreds of projects, and for developing permanent solutions to them. Call (541) 708-1760 for more information about our specialized consulting services. Independent. Professional. Considerate.