Our double garage door insulation pack consists of sixteen (16) sheets (1300mm x 580mm each) of GaraFlex; enough to cover most double garage doors...even the over sized ones! If your garage door has sixteen (16) sections, this is the package for you. Simply choose your colour & add to cart. Require more than sixteen (16) sheets for your double garage door? You can purchase your entire order by clicking here instead. For more information about GaraFlex, click the Product Specifications tab below. Unsure of your garage door sizing? No worries, you can view our Garage Door Sizing Guide here. GaraFlex garage door insulation utilises closed-cell insulation technology commonly used in pipe lagging applications, where heat retention and cooling performance are essential. This high-performance material delivers excellent thermal properties, helping to regulate temperature, keeping your garage cooler in summer, warmer in winter, and more comfortable year-round. Need installation too? Click here to get an instant quote.