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SikaMembran Universal, Vapour and Waterproof Membrane for Facades, Exterior, Black

SikaMembran Universal, Vapour and Waterproof Membrane for Facades, Exterior, Black

Waterproofing
SIKA

Sika is a global leader in specialty chemicals for the construction and industrial sectors. The company develops and supplies innovative products and systems for bonding, sealing, damping, reinforcing, and protecting structures. With a strong focus on sustainability and performance, Sika serves a wide range of applications including concrete production, waterproofing, roofing, flooring, and structural strengthening.

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General Specifications
Packaging 100 mm x 25 m
Width 100.0 mm
Length 2500.0 m
Weight Kg
Usage Flexible sheets, bonded with a specialized adhesive, provide a durable vapor and waterproof seal at building junctions like facades and windows. For professional use only; adhesion tests are required
Chemical Base Elastic EPDM – modified butyl
Usage Area Exterior
Color Black
Storage Conditions Product must be stored in original, unopened, and undamaged packaging in dry conditions at temperatures between +5 °C and +35 °C. Always refer to the packaging and product label for specific storage details
Density 0.8 kg/m²
Consumption 3-6 m² / L

Vapour/waterproofing membrane for facades - low vapour permeability

SikaMembran® Universal is an EPDM sheet membrane with a high vapour diffusion resistance (sd value 62 m) and is thus applicable on both the warm (high vapour pressure) and the cold (low vapour pressure) side of the construction under most climatic conditions. The SikaMembran® system is a high-performance vapour control system comprising of various EPDM sheet membranes providing vapour control layers and waterproof barriers for curtain walls. They are suitable for most climatic conditions in combination with the appropriate adhesive.  

  • Highly flexible waterproofing and vapour control system
  • Fast, easy and secure application even in corners
  • Provided with CE-mark according to EN 13984: 2011
  • Meet fire retardant requirements of EN 13501-1 Class E under free suspension
  • No additional mechanical fixing necessary
  • Membrane pre-treatment free
  • Suitable for uneven substrates (blowholes in concrete), leveling of substrate by adhesive
  • Suited to site conditions
  • Durable bond and barrier/seal
  • Ozone- and UV-resistant
PRODUCT BENEFITS
  • Highly flexible waterproofing and vapour control system
  • Fast, easy and secure application even in corners
  • Provided with CE-mark according to EN 13984: 2011
  • Meet fire retardant requirements of EN 13501-1 Class E under free suspension
  • No additional mechanical fixing necessary
  • Membrane pre-treatment free
  • Suitable for uneven substrates (blowholes in concrete), leveling of substrate by adhesive
  • Suited to site conditions
  • Durable bond and barrier/seal
  • Ozone- and UV-resistant
 
Usage
The flexible SikaMembran® sheets, installed between structure and incorporated units (e.g. facade elements, windows, etc.) using SikaBond® TF plus N adhesive, provide a secure and durable vapour barrier and waterproof seal at junctions between building elements mainly in curtain wall facades but also in ventilated facades and window installations.
This product is suitable for experienced professional users only. Test with actual substrates and conditions have to be performed to ensure adhesion and material compatibility.  
Packaging

Length [m / roll]

25

Width of rolls [mm]

100, 150, 200, 250, 300, 350, 400, 450, 500, 600, 700, 1200, 1400
Typical Product Data
Chemical base

Elastic EPDM - Butyl modified

Colour

Black

Mass per unit area

0.8 kg/m2

Thickness

0.6 mm

Equivalent air layer thickness sdsdvalue

62 m

Elongation at break (ISO 37)

350 %

Application temperature

5 ─ 40 °C

Tensile strength (ISO 37)

5.5 MPa

Tear propagation resistance (CQP045-1 / ISO 34)

8 N/mm

Ozone resistance (DIN 1431-1)200 pphm, 40 °C, 20 % Elongation, 168 h

No cracks

Service temperature

-40 ─ 90 °C

Shelf life

18 months A

CQP = Corporate Quality ProcedureA)stored in dry conditions between 5 and 30 °C and protected from direct sunlight
Application Information
Surface Preparation

Prior the bonding process ensure that substrates are sound, clean, dry, free from dust, grease, oil and loose particles.
Application

Apply SikaBond® TF plus N adhesive to the corresponding structure or components (nozzle diameter approx. 8 mm).
By using a clean spatula, spread the adhesive bead to approx. 4 ─ 5 cm width and 1 mm thickness.
Install the SikaMembran® Universal sheet tension-free and in a way that movement of the connected building parts can be accommodated without damaging the membrane. Press the membrane sheet on the adhesive by a plastic roller. The membrane must be fully bonded over a width of 4 cm. Where overlaps are required ensure at least an overlap of 5 cm.
The membrane might be re-adjusted during a period of 30 minutes after installation.

 
Application Limits

SikaMembran® Universal is not resistant to mineral oils, petroleum, benzene, fuel and toluene etc.
The bond line of the membrane must not be in permanent contact with water.