Specifications: Skylight Screens shall be Model F FALLGUARDĒ Skylight Screens manufactured by Plasteco, Inc., Houston, Texas (1-800-231-6117) (Fax 1-877-231-6117). Each skylight screen shall consist of a 3" x 4" welded wire mesh having a minimum transverse diameter of .195". A plastic bumper extrusion shall be installed around the perimeter of the skylight screen. The skylight screen is to be field installed on a 20 gauge galvanized steel channel. The steel channel shall have tabs to receive the skylight screens and pre-punched holes for the mounting screens. Two 3" x 3" sealant adhesive pads and six special tek screws shall be furnished with each channel.