Ive heard that thermal pane (double glass) windows require special window film, is it available?

Yes, light and medium density window film in the natural gray silver may be installed on thermal pane windows. Colored film such as bronze, etc. are not recommended. • What type of window film warranty do you offer? When SunShield installs the window film on residential windows and doors, there is both a factory and a company lifetime warranty against bubbling, window film cracking or crazing and dislodging, although window sizes over 40 square feet may not qualify for the lifetime warranty. Commercial windows are warranted for five years, although if you look at our client list on this site, many of our commercial film installations are 15 to 33 years old and still in place. • Is it difficult to install the window film on a do-it-yourself basis? Most residential window film installations of double hung, slider, picture windows and sliding glass doors are no problem for many homeowners. High windows, skylights and half-moon windows over doorways require more dexterity and patience, ...  more