Sarnavap®-5000 E SA FR Self-Adhesive Multi-Layer Vapour Barrier
Manufactured from polymer-modified bitumen, reinforced with glass fiber, and surfaced with aluminum foil and PET film. It is designed for use in metal roofing systems to control water vapor transmission, improve airtightness, and reduce the risk of fire spread.
Applications of Sarnavap®-5000 E SA FR
Used as a vapour barrier layer over metal roof decks
Can be used as a temporary waterproofing layer during construction for up to 4 weeks
Used for connections to adjacent surfaces, such as parapet walls, chimneys, and flashing details
Must be installed by experienced and trained applicators or contractors
Must not be used as a permanent waterproofing system and is not suitable for fully adhered roofing systems.
Key Features of Sarnavap®-5000 E SA FR
Self-adhesive for fast and easy installation
Can serve as a temporary waterproofing layer for up to 4 weeks without requiring additional ballast or mechanical fasteners
Excellent adhesion helps improve the airtightness of roofing systems
Resistant to tearing caused by foot traffic during construction
High resistance to water vapor transmission
Compatible with various types of roofing membranes
Can be bonded to a wide range of adjacent substrates
Complies with DIN 18234 requirements
FM Approved
CE marked in accordance with EN 13970:2004/A1:2006
Contributes to LEED® v4 criteria under the Materials and Resources category
Substrate Preparation
The substrate must be:
Smooth and even
Free from sharp edges or burrs
Dry
Structurally sound and capable of supporting loads
Free from dust and grease
Free from conditions that could prevent proper adhesive bonding
The supporting layer must be compatible with the product and resistant to solvents.
Suitable Substrates
The main roof deck must be a Metal Deck.
Adjacent substrates may include:
Concrete
Metal
OSB
Plywood
Timber boards
Masonry
Plasticiser-free synthetic materials
Properly prepared bituminous materials












