The top two popular aluminum insulation rolls are aluminum coil with Kraft paper and Polysurlyn laminated aluminum coil. The aluminum jacketing- Polysurlyn coating and Kraft paper- has excellent moisture proof and thermal insulation.The strong adhesion of two coatings provide better protection for the pipe, roof, ceiling,etc. Welcome to send inquiry directly to dolly@alumhm.com or leave message below to get a quotattion.