Flex 1120N Geotextile Separation Layer - Manual

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Flex Membrane International Corp. 2670 Leiscz’s Bridge Road, Suite 400, Leesport, PA 19533
Tel: (610) 916-9500 Fax: (610) 916-9501 www.FlexRoofingSystems.com
Product Data Sheet
FLEX 1120N GEOTEXTILE
SEPARATION LAYER
PRODUCT DESCRIPTION
Flex 1120N Geotextile is a non woven geotextile composed of polypropylene fibers, which are formed into a stable
network such that the fibers retain their relative position. Flex 1120N Geotextile is inert to biological degradation
and resists naturally encountered chemicals, alkalis, and acids.
The Flex 1120N Geotextile is installed as a separation or protection layer in Flex Protected Membrane Roof
Systems. It also is used as a protection layer and filtration fabric in Flex Garden Roof Systems and Flex Below
Grade Waterproofing Systems. The Flex 1120N has excellent physical and hydraulic properties in addition to high
tensile strength. The Flex 1120N provides the required strength and abrasion resistance to protect Flex
Thermoplastic Roofing and Waterproofing Membranes withstanding installation and application stress to create an
effective, long term solution.
PHYSICAL PROPERTIES
Property Test Procedure Specification
Thickness
ASTM D 5199 .098”
Weight ASTM D 5261 11.8 oz/yd
Dimensions 15’x300’
Tensile Strength ASTM D 4632 300lbs x 300lbs
Tensile Elongation ASTM D 4632 50%
Tear Strength ASTM D 4533 115lbs x 115lbs
Mullen Burst Strength ASTM D 3786 585 psi
Puncture Strength ASTM D 4833 170 lbs
Apparent Opening Size ASTM D 4751 100 US Sieve
Permittivity ASTM D 4491 0.8sec-¹
Permeability ASTM D 4491 0.26 cm/sec
Flow Rate ASTM D 4491 65 gal/min/ft²
UV Resistance (500 hrs) ASTM D 4355 70%
Disclaimer: Flex Membrane International Corp. assumes no liability for the accuracy or completeness of this information or
for the ultimate use by the purchaser. Flex Disclaims any and all express, implied, or statutory standards, warranties or
guaranties, including without limitation any implied warranty as to merchantability or fitness for a particular purpose or arising
from a course of dealing or usage of trade as to any equipment, materials, or information furnished herewith. This document
should not be construed as engineering advice.