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Separation and Leveling Layers
For a variety of reasons, some projects require a leveling layer and/or a separation layer between the membrane and the substrate. Sika Sarnafil offers several accessories to fit your needs.
See our Product Data Sheets for more information
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Sarnafelt NWP-HD Leveling Layer
The Sarnafelt non-woven polypropylene high density (NWP-HD) leveling layer is a high quality geotextile fabric installed over the substrate and below the waterproofing membrane. NWP-HD can act as both a leveling layer and a separation layer between the membrane and any existing waterproofing products. It is composed of 100% recycled polypropylene fibers tightly knit together.
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Sarnafelt NWP Separation Layer
The Sarnafelt non-woven polypropylene (NWP) separation fabric is a high quality geotextile fabric installed over the waterproofing membrane and below either the extruded polystyrene insulation and/or protection layers. As a barrier between the waterproofing membrane and unfaced polystyrene insulations, Sarnafelt NWP significantly increases the puncture resistance of the waterproofing assembly.
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Sarnavap-10 – separation layer
This 10-mil (0.25 mm) thick vapor/air retarder is used to protect the substrate from positive pressure to the underside. It is a high-quality sheet made of low density polyethylene and is loose-laid over suitable substrates.
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© 2006 Sika Sarnafil Inc. | 100
Dan Road | Canton, MA 02021 | 800-451-2504 |
webmaster.sarnafil@us.sika.com
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