Waterproofing

PVC MEMBRANES FOR SUBSTRUCTURE APPLICATIONS

Monneli Insuwrap 2500 TNL-FB

2.5 mm thick Fleece-back PVC Membrane for Underground Structures & Tanking System

Uses
Waterproofing of basements, tunnels and other underground structures
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Technical Information
Product Description

Insuwrap 2500 TNL-FB is a homogeneous PVC (polyvinylchloride) sheet waterproofing membrane with a calendared geotextile layer on the back

Advantages
  • High tensile strength and elongation
  • Hot air weldable
  • Flexible throughout life span
  • Resistant to ageing
  • Long durability
  • High dimensional stability
  • Anti-Root membrane
  • Can be installed on wet and dry substrates
  • Designed to be used in hot climates
  • Resistant to natural aggressive mediums in ground water soil
  • Time and cost efficient
  • Reduces the wrinkles in the geotextile layer
  • Eliminates the risk of burning he geotextile under the PVC membrane during the welding process
  • Minimize the risk of overlaps in geotextile
Packaging, Coverage / Consumption

Roll size: 2.10 m (roll width) x 20m (roll length)

Unit weight: 2.16 kg/m2

Shelf Life & Storage

 

Rolls shall be stored in their original package, in horizontal position and under cool and dry conditions protected from direct sunlight and rain.

Insuwrap PVC membrane does not expire and has a very long life expectancy.

Colors
White Colour
Technical Properties
Test Performed Standard Requirements Results
Membrane Thickness (mm)   2.5 + Felt
Tensile Strength
Machine Direction
Perpendicular Direction mpA
ASTM – D638
DIN 16730
10.40 N/mm2
≥15.0 N/mm2
Elongation at Break (%) ASTM – D638
DIN 16730
>300%
Tear Strength (N) DIN 16730
80N (Min)
>100N
Thermal Stability DIN 16730
90°C -6 hours
Change less than 2%
<0.7%
Hardness Shore A (3 seconds) ASTM D2240 78
DIN 16730
80±1
Cold bend DIN 16730
No cracks at -20 °C
No Cracks at -30 °C
Water Vapour diffusion resistance (μ) DIN 16730
Less than 30,000
>21,000 μ
Tensile Strength Modulus Perpendicular
(Psi)
ASTM D638
DIN 16730
1210 Psi
100% Modulus Machine Direction (Psi) ASTM D638
DIN 16730
730
100 % Modulus Perpendicular Direction
(Psi)
ASTM D638
DIN 16730
730
Specific Gravity ASTM D792
DIN 16730
1.28
Compressive Strength SIA V 280/14 Passed
Puncture Resistance DIN 16730
Drop hammer 500 grams, no leak
on falling from 300 mm
Passed
Impact Strength DIN 16726/15.12 >800mm
Resistance to Algae & Rot High resistance High resistance
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
Application Information
Instructions for use

Application

PVC FLEECE BACK SHEET INSTALLATION (FULLY BONDED SYSTEM)

A. General: Install Fleece back sheets over entire area in full accordance with manufacturer's method statement.

  1. Install membrane so that the PVC is at the visible side and the fleece back is towards the substrate.

B. Horizontal Installation:

  1. Adhere the fleece back PVC membrane (fully bonded) using Neofil S10 adhesive to the entire horizontal area
  2. Accurately align sheets and maintain uniform side and end laps of minimum dimensions required. Stagger end laps.
  3. Install the Geotextile membrane as a protection layer over the entire area above the fleece back PVC membrane followed by a minimum of 50mm cementitious screed

C. Vertical Applications:

  1. Adhere the fleece back PVC membrane (fully bonded) using Neofil S10 adhesive to the entire vertical area
  2. Accurately align sheets and maintain uniform side and end laps of minimum dimensions required. Stagger end laps.
  3. Install the protection layer of Geotextile membrane above the PVC membrane over the entire vertical area in full accordance with manufacturer’s method statement
  4. Secure top termination of waterproofing with continuous, PVC coated aluminium strip, and a suitable PU sealant from Colmef’s joint sealant product range.

C. Seam Installation: Hot air welding and end laps of overlapping sheets according to manufacturer's method statement to ensure a watertight seam installatio Inspect outside edge of seams with pointed metal probe and ensure completed laps lay flat and are free of voids, fish mouths, or wrinkles using one of the following methods:

  1. Method 1: All seams of installed waterproofing can be subject to pneumatic test at test pressure of 2.00 bars.
  2. Method 2: Testing the welded joint using a vacuum test machine

E. Any hole, resulting from construction activities, noted in installed membrane shall be repaired in accordance with manufacturer’s method statement.

CORNER JOINT INSTALLATION

A. Install corner details in according to waterproofing manufacturer's written instructions.

  1. Use the same welding technique as specified for membr
Surface Preparation

The surface of the concrete substrate shall be sound, clean, dry or wet, and uncontaminated. This preparation shall be as such as to leave a sound exposed concrete surface free from dust, laitance and any delirious matter.

The granite surface must not contain broken aggregates. Any leaks shall be sealed with Murex, a water

plug mortar, or with Betocryl 60, a Polyurethane injection resin. The surface of the granite and fine sprayed concrete must be cleaned (no loose stones, nails, wires, etc.).

 

Limitation
  • Do not directly apply the PVC membrane permanently on bitumen and plastics other than PVC, a separation layer of geotextile is required.
  • The PVC membrane can be exposed to temporary UV light for a period of 6 months
  • Insuwrap 2000 TNL-FB can be exposed temporary to ground water or polluted water with temperature up to 50°C for 3 months.
Additional Information
Health & Safety

Local safety regulations must be observed. Information and advice on the safe handling, storage and disposal of chemical products, users shall refer to the most recent Material Safety Data Sheet.

Important note

The information, and, in particular, the recommendations relating to the application and end-use of Colmef Insuwrap products, are given in good faith based on Colmef current knowledge and experience of the products when properly stored, handled and applied under normal conditions in accordance with Colmef’s recommendations.

additional materials
Fast Download
Technical Properties Sheet
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