Double Hung Window Home Downloads Windows Double Hung Double Hung Window Revit Double-hung window family, parametric. Download Version RVT 2018 File Size 1.13 MB Format Description Attached Files Double-hung window Revit family by Marvin. Fully parametric family, adjust width, height, rough opening, muntins visibility, materials, etc. Manufacturer: Marvin Source: Tech specs and Revit details and families FileActionWindow-Double_Hung-Marvin-G2-Ultimate.rfaDownload