Sarnafil® G 410-18 L Felt
Sarnafil® G 410-18 L Felt is a multi-layer roofing waterproofing membrane manufactured from polyvinyl chloride (PVC), reinforced with non-woven glass fiber and backed with polyester fleece. The membrane has a thickness of 1.8 mm, can be joined using hot-air welding, and is designed for roofs directly exposed to weather conditions in various climates worldwide.
Sarnafil® G 410-18 L Felt Applications
Used as a waterproofing membrane for fully adhered roofing systems, particularly roofs directly exposed to weather conditions.
The product must be installed by contractors or applicators who have received training and have experience with Sika roofing systems.
Sarnafil® G 410-18 L Felt Key Features
Proven long-term performance and service history
Lacquer-coated surface
Permanently resistant to UV radiation
Fast installation using Sarnacol® adhesive
High dimensional stability provided by glass fiber reinforcement
High water vapor permeability
Resistant to common environmental conditions
Seams can be joined using hot-air welding
No open-flame equipment required during installation
Standing water on the membrane surface does not affect its performance properties
Substrate Preparation
The substrate must be:
Smooth and even
Free from sharp edges or protrusions
Clean
Dry
Free from grease
Free from dust
Solvent-resistant, if used as a supporting layer
Metal sheets should be degreased using Sarna Cleaner before applying the adhesive.
Precautions
Installation must be carried out by Sika-trained or approved contractors
The membrane must not come into direct contact with incompatible materials
The membrane must be installed without stretching or tension
Standing water on the roof does not affect membrane performance, as specified in the product documentation
Adequate ventilation must be provided during welding in enclosed areas
