Waterproofing Systems: 2-Ply SBS Membrane Systems

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Waterproofing Systems: 2-Ply SBS Membrane Systems

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Accepted Materials for a RoofStar Guarantee

The tables and products shown below provide basic material data and links to more information about the materials, including manufacturers' published Technical Data sheets, but this information is not intended for use as a comparison of material performance or quality. It is the sole responsibility of the Design Authority to assess the performance capability and material suitability for specific design requirements.

The materials listed are those which have been accepted by the RoofStar Guarantee Program (RCABC Guarantee Corp., or RGC) for use in a roof or grade-level waterproofing system that will qualify for a RoofStar Guarantee. The acceptance of these materials by the RGC (RoofStar Guarantee Program) in no way reflects on the quality or performance of other materials not listed.

The materials and guideline specifications are listed under the name of the manufacturer and/or supplier of the primary membrane material, with the exception of BUR membranes for which the reader will find RoofStar Guarantee Program guidelines on traditional built-up roofing systems (BUR) incorporating organic and glass felt primary membranes.

SBS (Styrene Butadiene Styrene) Modified Bituminous sheet waterproofing is prefabricated elastomeric membranes that are reinforced with mats consisting of polyester, fibreglass or a combination of both reinforcement types. SBS modified bituminous membranes are available in varied thicknesses with specific physical properties to satisfy the demands of particual waterproofing conditions as well as surface finishes that facilitate various application methods.
Composition
Bituminous and modified bituminous flexible membrane systems are composite sheet membranes which are thermoplastic in nature but display variable elastomeric properties when modified. These sheets generally consist of bitumen (oxidized or modified), reinforcement, and surfacing materials. The performance of these membranes may be compromised by subtle, seemingly inconsequential changes in composition.
The formulation of the bitumen is critical, particularly when its physical properties are modified by the addition of polymers. Bitumen is most commonly modified with styrene butadiene styrene (SBS). The manufacturer must ensure that a suitable degree of compatibility exists between the bitumen and the polymer and that a thorough mix has been obtained. The careful selection and combination of bitumen and polymer (the type of modifier, the percentage of polymer used, etc.) determines the physical properties and long term performance of the modified bituminous "binder". The binder provides the membrane with its waterproofing capability and may impart the following properties:
  • low temperature flexibility
  • elasticity
  • high temperature resistance to flow
  • resistance to aging
The bitumen utilized for oxidized bituminous membranes has been "blown", similar to roofing asphalt. This produces a higher softening point and, therefore, a more useful temperature range.
The physical properties of the binder are further enhanced by the imposition by saturation or coating onto a carrier or reinforcing mat, most commonly a textile such as:
  • non-woven spun-bonded polyester
  • woven polyester scrim
  • fibreglass mats
  • woven fibreglass cloth
  • combinations of the above.
1. Base Membranes
Click on a manufacturer's name to see the full list of their products accepted for use in the RoofStar Guarantee Program
Manufacturer Product Name Nominal Product Thickness (mm) Approximate Weight (Kg/m2) Reinforcement Material Reinforcement Material Weight (g/m2) Applicator Training
Garland Canada Inc. FLEXBASE 120
Garland Canada Inc. FLEXBASE E 120
Garland Canada Inc. FLEXBASE PLUS 120
Garland Canada Inc. STRESSBASE 120
IKO Industries Ltd.' Armourbridge/Pont
IKO Industries Ltd.' Armourbond Flash Base
IKO Industries Ltd.' Modiflex MP-180 F/S
IKO Industries Ltd.' Torchflex TF-95 FF
IKO Industries Ltd.' Torchflex TP-180 FF
Siplast Teranap 431 (2m x 20m)
Siplast Teranap (1m x 8m)
Soprema Inc. Elastophene Flam
Soprema Inc. Colphene Flam 180
Soprema Inc. Colphene Flam HR 4.00 - Non-woven Polyester
Soprema Inc. Colphene Flam HR SP 4.00 - Non-woven Polyester
Soprema Inc. Sopralene Flam 180
Soprema Inc. Sopralene Flam 250
Soprema Inc. Sopraply Base 520
Soprema Inc. Sopraply Base Plus PP 3.0 3.00 4.00 Composite Consult Manufacturer
2. Cap Membranes
Click on a manufacturer's name to see the full list of their products accepted for use in the RoofStar Guarantee Program
Manufacturer Product Name Nominal Product Thickness (mm) Approximate Weight (Kg/m2) Reinforcement Material Reinforcement Material Weight (g/m2) Applicator Training
Garland Canada Inc. Stressply E FR Mineral
Garland Canada Inc. Stressply EUV
Garland Canada Inc. Stressply Plus FR Mineral
Garland Canada Inc. Stressply Mineral
Garland Canada Inc. Stressply IV
Garland Canada Inc. Stressply IV Plus
Garland Canada Inc. Stressply MAX
Garland Canada Inc. Biflex Cap
IKO Industries Ltd.' Torchflex TP-250 Cap
IKO Industries Ltd.' Torchflex TP-180 Cap
Siplast Teranap 431 (2m x 20m)
Siplast Teranap (1m x 8m)
Soprema Inc. Sopralene 180 SP 3.5
Soprema Inc. Trafikrock
Soprema Inc. Sopralene Flam 180 GR
Soprema Inc. Sopralene Flam 250 GR
Soprema Inc. Sopraply Traffic Cap 560
Soprema Inc. Sopraply Traffic Cap Plus G/P 4.0 4.00 Composite Consult Manufacturer
Soprema Inc. Antirock


3. Self-adhering Membranes
Click on a manufacturer's name to see the full list of their products accepted for use in the RoofStar Guarantee Program
Manufacturer Product Name Nominal Product Thickness (mm) Approximate Weight (Kg/m2) Reinforcement Material Reinforcement Material Weight (g/m2) Applicator Training
Soprema Inc. Sopralene Flam Stick


Accepted Materials


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