Abstract: Portable screen wall section(s) are utilized to enclose an opening or openings of a building structure that is mostly and preferably made up of fabric and mesh screen or netting, to allow for an outdoor atmosphere, while eliminating the entry of unwanted insects and/or varmints inside an opening or openings of a building. The portable screen wall section(s) leans against a building structure by the means of the support structure members allowing the elimination of holes, adhesive bonding and/or permanent attachments to a building and/or surrounding areas. The portable screen wall sections can be used alone or are easily attached together to cover larger openings of a building.