John Cleasby and his sister Karen Cleasby co-authored many technical articles that have appeared in Western Roofing Magazine since 1998. The articles cover a range of topics including proper operation and maintenance of roofing equipment, how to set up and monitor a safe working environment, cold process materials, and discussions of state and federal laws and regulations as they pertain to the roofing industry. The articles can be viewed online below in addition to the availability of downloadable PDFs.  Adobe Acrobat Reader is required to open and read the PDFs.