Guardian 18 In. x 52 In. Single Strength Window Glass Alpha ProTech Used in corners of triple-track

Used in corners of triple-track or self-storing type storm windows

This kit is easy to install and operate

Flange dimensions: 18-1/2" x 16-3/4"

Allows door to be opened slightly for viewing

Guardian 18 In. x 52 In. Single Strength Window Glass Alpha ProTech Used in corners of triple-trackHigh quality float glass manufactured by Guardian Industries. Float glass provides easy cutting and superior optical characteristics over sheet glass (manufactured by the drawn method). Various sizes in single strength (SSB), 3 32" thick and or double strength (DSB), 1 8" thick. 5% volume discount available on orders of 10 boxes or more, assorted sizes.