Glastop makes cracked glass safe- instantly! An essential addition to any toolkit. Glastop Emergency repair film provides an instant temporary repair which can be easily and effectively carried out in only a few minutes, with the minimum of disruption. No special training or tools are required. Glastop is particularly effective as a temporary repair of sealed units which may take weeks to manufacture and replace. Glastop is a high quality clear heavy duty polyester film with a specially formulated powerful adhesive system. Its quick-release paper backing sheet has a grid-pattern for ease of measuring and cutting. 1 Easy to apply- no special tools or training required Grid-lined backing sheet for easy cutting Holds glass in position until replaced Eliminates costly board-up charges Clear- no loss of natural light Handy 1m x 15m roll, supplied with red 'Danger' stickers to alert passers-by Buy today and you could save firs in emergency board-up costs in the future!