Recent Examples on the WebBlanket Insulation Blanket insulation is available as batts or rolls, and is the easiest DIY insulation material. Timothy Dahl, Popular Mechanics, 13 Jan. 2019 Blanket insulation is available as batts or rolls, and is the easiest DIY insulation material. Timothy Dahl, Popular Mechanics, 13 Jan. 2019 The house uses natural gas for cooking and back-up hot water.- Formaldehyde-free, superefficient fiberglass batt insulation from Johns Manville (jm.com) goes in behind walls and above ceilings for an airtight house. Carolyn Weber, ELLE Decor, 5 July 2012