Product Data Sheet Safety Data Sheet Show all documents
Sarnafelt NWP Separation Layer

Sarnafelt NWP Separation Layer

Sarnafelt NWP Separation Layer is a geotextile fabric of non-woven polypropylene

Sarnafelt NWP Separation Layer is a high quality geotextile fabric of non-woven polypropylene. Sarnafelt NWP Separation Layer is installed between the waterproofing membrane and the extruded polystyrene (XPS) insulation. It can also be used between the waterproofing membrane and protection layers. It is intended to act as separation between products and also to increase the puncture resistance of the waterproofing assembly.

  • Increases puncture resistance of a waterproofing assembly
  • Compatible with all Sarnafil® membranes
 
Product Data Sheet Safety Data Sheet Show all documents

Usage

To act as a separation layer between Sika Sarnafil® products, mainly extruded polystyrene insulations and Sarnafil® membranes     Areas of Application
  • Waterproofing Systems
  • New Roofs
  • Recover Roofs
  • Replacement Projects
 

Advantages

  • Increases puncture resistance of a waterproofing assembly
  • Compatible with all Sarnafil® membranes
 

Packaging

Wrapped in a protective film, 75 lbs (34 kg) per roll

Product Details

Product Information

Chemical Base

Sarnafelt NWP Separation Layer is a geotextile fabric composed of 100 % recycled polypropylene fibers tightly knit together. The tight needle punch produces a fabric which is highly resistant to puncture. The polypropylene is naturally resistant to most chemicals, and is particularly resistant to high alkaline exposure.

Recycled Content

Up to 90 % Post-Consumer
Up to 20 % Post-Industrial

Shelf Life

N/A

Storage Conditions

N/A

Dimensions

Width: 90" (2.3 m)
Length: 135 ft (41.1 m)

Thickness

0.160" (4.1 mm)

(ASTM D-1777)

Unit weight

9 oz/yd2 (0.06 lb/ft2, 305 g/m2)

(ASTM D-3776)
System information

System Structure

Sarnafelt NWP Separation Layer is installed by an authorized Sika Sarnafil® Waterproofing Applicator. Sarnafelt NWP Separation Layer is typically loose-laid and lapped 4" (102 mm) over the previous roll.
Technical Information

Tensile Strength

70 & 140 lbf (311 & 622 N) MD & CMD1

1 MD = Machine Direction, CMD = Cross Machine Direction

(ASTM D-5034)

Application

Application steps

APPLICATION

Sarnafelt NWP Separation Layer is installed by an authorized Sika Sarnafil® Waterproofing Applicator. Sarnafelt NWP Separation Layer is typically loose-laid and lapped 4" (102 mm) over the previous roll.

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