Description
Thermofusible air/vapour barrier membrane composed of SBS modified bitumen and a non-woven polyester reinforcement used on walls.
UNITS PER SKID: 30
Material Use:
SOPRASEAL 180 HD and SOPRASEAL 180 HD FF are high-performance SBS-modified bitumen membranes designed for use as air and vapour barriers in wall assemblies. These membranes provide superior waterproofing and air sealing capabilities, making them ideal for use in commercial and residential construction where control of air and moisture infiltration is critical.
System Components:
The SOPRASEAL 180 HD and 180 HD FF membranes are part of a system that includes the ELASTOCOL 500 primer, which is required for proper adhesion to the substrate. The membranes themselves are composed of SBS-modified bitumen reinforced with non-woven polyester. The 180 HD version features a sanded top surface, while the 180 HD FF version has a thermofusible plastic film on the top face, allowing for easier heat welding. Both versions have a thermofusible plastic film on the underside for torch-applied installation.
Applications:
These membranes are suitable for use on a variety of substrates including masonry, concrete, and exterior gypsum board (with glass mat reinforcement and paper-free surfaces). They are typically used in wall assemblies to provide a continuous air and vapour barrier layer, contributing to the overall energy efficiency and durability of the building envelope.
Application Details:
Installation of SOPRASEAL 180 HD and 180 HD FF is performed using a torch-applied heat-welding method. The use of ELASTOCOL 500 primer is mandatory to ensure proper adhesion. All membrane overlaps must be a minimum of 50 mm (2 inches). For masonry and concrete walls, a standard rectangular torching motion is recommended. For exterior gypsum board, a more controlled torching technique is advised to prevent blistering—heat should be applied only to the top of the roll to ensure proper adhesion without overheating the substrate. The membranes are self-sealing around fasteners, which enhances their performance in wall assemblies with mechanical attachments.
Special Notes:
- Primer Requirement: ELASTOCOL 500 must be used prior to membrane installation.
- Installation Temperature: Can be applied in temperatures as low as -35 °C (-31 °F), making it suitable for cold-weather applications.
- UV Resistance: These membranes are not UV-stable and must be covered or protected from prolonged UV exposure.
- Thickness: Each membrane has a nominal thickness of 3.0 mm (118 mils).
- Coverage: Each roll measures 10 m x 1 m (32.8 ft x 3.3 ft) with a net coverage of approximately 9.5 m² (102 ft²) per roll.
- Pot Life / Curing Time: Not applicable, as this is a torch-applied membrane and does not rely on chemical curing.
- Storage: Rolls must be stored upright with the selvedge side on top. If stored outdoors, they must be protected with an opaque cover.
- Performance Characteristics: Excellent air and vapour barrier properties with air permeance < 0.001 L/s•m² and water vapour permeance < 2.5 ng/Pa•s•m². Cold flexibility down to -30 °C (-22 °F) and high puncture resistance (400 N / 90 lbf).
These membranes are ideal for use in high-performance building envelopes where air and moisture control are essential. When used with the appropriate primer and installed according to SOPREMA guidelines, SOPRASEAL 180 HD and 180 HD FF provide a durable, long-lasting barrier system.
https://www.soprema.ca/en/products-systems/sopraseal-180-hd-ff
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