Monneli Insuwrap 1500 WM-R

1.5 mm thick reinforced PVC Membrane for covered roofing system

Waterproofing of covered Roofs and podiums
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Technical Information
Product Description

Insuwrap 1500 WMR is a homogeneous PVC (polyvinylchloride) sheet waterproofing membrane and reinforced with polyester mesh.

Appearance: Reinforced PVC rolled sheet membrane
Membrane thickness: 1.50mm
Colour: Translucent, Twin or Single Color

  • 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
  • Reaction to Fire - Class B
  • Covered Application
Compiliance Standard

Tested according to testing requirements of ASTM D4434 and DIN 16735.

Technical Properties
Test Performed Standard Requirements Results
Membrane Thickness ASTM D 4434 1.5 mm
Mass DIN16735 1.56 kg/m2
Tensile strength DIN 16735
Min 10.40 N/mm2
≥15.0 N/mm2
Elongation at break DIN 16735
Min 150%
Thermal Stability DIN 16735
Less than 1%
(6 hrs - 90°C)
Tear Strength Min 80 N > 95N
Seam Strength ASTM D 4434 >82%
Tear Resistance ASTM D 4434 >95 N
Puncture Resistance DIN 16735
Drop hammer 500 grams, from
300mm no leak
Water Vapour diffusion
Less than 30,000
<23,000 μ
Cold Bend DIN 16735
No cracks at -20°C
No cracks at -30°C
Resistance to Algae &
  High resistance
Application Information
Instructions for use

Substrate Preparation

The surface of the sloping concrete 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.



Install loosely laid PVC sheets over entire roof area so the light colour is at the visible side towards the substrate.

A. Horizontal Installation:

  1. Install the separation layer over the entire horizontal area before the PVC membrane (if needed) in full accordance with Colmef’s method statement
  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 separation layer above the PVC membrane followed by a minimum of 50mm extruded polystyrene thermal insulation
  4. As much as practically possible the joints will not be against the direction of flow.

B. Upstands:

  1. Apply the 1500 WM-UV membrane directly on the concrete up-stand with Neofil S10 contact adhesive
  2. Secure top termination of waterproofing with continuous, Aluminum flashing strip, and Elastoseal PU25, a Polyurethane sealant from Colmef.

C. Seam Installation: Hot air welding and end laps of overlapping sheets according to manufacturer's method statement to ensure a watertight seam installation. Inspect outside edge of seams with pointed metal probe and ensure completed laps lay flat through 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

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


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

  1. Use same welding system as specified for membrane.
Additional Information
Important note

The information in this Technical Data Sheet is based on Colmef Monneli’s experience. Colmef Monneli does not accept any liability arising from the use of its products as it has no direct or continuous control over where or how its products are applied. All Colmef Monneli’s Data Sheets are updated on regular basis. It is the user’s responsibility to obtain the latest version.

additional materials
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Technical Properties Sheet
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