Roof Hugger Inc. announces its 2014 Version 3.04 Design & Installation Solutions manual for Metal-over-Metal retrofit re-roofing systems. This 108-page manual provides design professionals and contractors with technical information pertaining to retrofit sub-framing systems for installing a new metal roof over an existing metal roof, without removal. Included in its content is information on utilizing the space between the old roof and bottom side of the new metal roof for installing insulation, dynamic ventilation and/or solar thermal hot air/water systems. Also included are 65 construction details that can be downloaded at www.roofhugger.com in ACAD and PDF formats. If interested in receiving a printed copy of the manual, send an email request to email@example.com or fax it to (877) 202-2254..