E-Las-Teka brand of ITW, provideselastomeric cool roof coatings and repair materials that are among the most energy-saving products available in the desert Southwest market. E-Las-Tek leads the industry in cool roof technology. This site introduces you to our entire line of roof coating and repair products. As with most jobs, the roof-coating application process is as important as the products you choose. If you're planning to coat a roof soon, please review our How To Apply Roof Coating training video for tips on roof preparation, coating and repair application, and continued roof maintenance.