ABOUT NEWS & EVENTS PROJECTS GUARANTY SHOP ONLINE CART DERBIGUM SOLUTIONS DOCUMENTATION PROJECTS TOOLS CONTACT US HOME > RESOURCES > SPECIFICATIONS SPECIFICATIONS Document Title Language Roof Insulation English SBS Modified Bituminous Sheet Vapor Retarder/Air Barrier English SBS Modified Bitumonous Sheet Vapor Retarders & Air Barriers English Atactic Polypropylene (APP) Modified BituminousI Membrane Roofing English Summary of Work English Derbiflash RS 230 Guide English Our Other Brands SUBSCRIBE TO THE NEWSLETTER FIRST NAME LAST NAME EMAIL RESOURCES DOCUMENT LIBRARY FOLLOW US ABOUT DERBIGUM CAREERS CONTACT US FIND A REP