Adhered Sika Sarnafil’s adhered roof system is best for low sloped, odd shaped or pitched roof applications composed of non-nailable substrates such as pre-cast or pre-stressed concrete, cementious wood fiber or gypsum. An adhered system also works well over nailable substrates such as concrete, steel or wood decks. Click here to obtain specifications and details for adhered and adhered feltbacked systems. Adhered Feltback: For rough surfaces, such as cellular concrete, Sika Sarnafil offers an adhered feltback membrane which minimizes the appearance of the substrate and offers exceptional high wind uplift resistance as well as increased puncture resistance. Key:   1: Structural Deck 2: Vapor Retarder 3: Insulation 4: Insulation Fastener 5: DensDeck 6: Sarnafil S Membrane 7: Sarnafil G Membrane. © 2006 Sika Sarnafil | 100 Dan Road | Canton, MA 02021 | 800-451-2504 | webmaster.sarnafil@us.sika.com Legal Disclaimer