Explore the intricacies of a meticulously crafted main entry door jamb design in this AutoCAD DWG file. The detailed drawing features key elements such as FR. 1" x 4" kiln-dried solid wood door casing and FR. 3" x 8" kiln-dried solid wood door casing measuring 7-1/4". The design incorporates FR. 1" x 4" kiln-dried solid wood door casing alongside 150mm (6") thick concrete hollow blocks, offering a robust and stylish entrance solution. This CAD file provides a comprehensive visual representation for architects and designers, ensuring precision and ease of implementation in construction projects. Download this DWG file to access a valuable resource for your CAD drawings, combining the beauty of woodwork with the strength of concrete blocks for a sophisticated entry door jamb design.