Exterior Research and Design, LLC is a roofing and waterproofing consulting firm offering forensic analysis, testing and design services for the building envelope, plus specification and contract administration for roofing and waterproofing projects.

Shake Composition Flat Roofs Skylights Venting / Gutters Return Home We are a family owned and operated company, based in Seattle, Washington. We have been providing solid roofs and peace of mind to our customers since 1990. Although roofing is our main focus, it isn't all that we do. We also replace and install skylights, do chimney work, and repair and build decks. If you need a new roof put ...

Advanced Services Group is a consulting company providing expertise with custom Internet and Intranet business solutions, Technology Management issues and Avionics processes.