Established in 1936, J.F. Day & Company builds homes and replaces windows. The company offers installation and replacement services for doors and other hardware. It serves architects, homebuilders and commercial contractors. J.F. Day & Company provides the Precision Fit brand of replacement windows. In addition, the company offers a selection of decorative glass and entry door systems from the EnduraClad, Pella and Impervia brands. It also provides several types of installation instructions for doors and windows. J.F. Day & Company s products are made of pine, mahogany, alder and Douglas fir. The company is a member of the Better Business Bureau, Home Builders Association, and Construction Specifications Institute.