ME481 Butyl Facade Sealing Membrane (SA) - Butyl Sealing Tape
Verified by manufacturer 1 day ago
Butyl sealing tape with aluminium foil protective layer.
Application
Suitable for use internally and externally in construction joint sealing around glazing unit applications. It can also be used to seal and protect horizontal and vertical linear joints between sheathing boards and the main structure.
Description
Butyl Facade Sealing Membrane (SA) is a Class B, permanently UV resistant, high strength butyl, airtight and fully watertight membrane used as a perimeter membrane seal to the internal or external side of glazed units such as windows and doors.
Features and benefits:
- Class B-s2, d0 to EN 13501-1.
- Good resistance to UV from the aluminium foil.
- Good adhesion properties at low temperatures.
- The butyl layer remains flexible to accommodate movement.
- Vapour resistance, water and air tight.
- Bonds to the majority of common substrate types.
- Self-sealing when punctured by small fixings.
- Self-adhesive and easy to install with a removable liner.
- Non-staining.
General information
Color | Silver |
Finish | Foil |
Material | Butyl Aluminium |
Shape | Rectangle |
Length | 20000 mm |
Width | 100 mm 150 mm 200 mm 250 mm 300 mm |
Height | 1.5 mm |
Warranty description | Lifetime |
Uniclass | |
CAWS | L40/90 Internal tape glazing L40/530 Internal tape glazing H31/45 Air and vapour control membrane H31/261 Air and vapour control membrane |
SKU Code | ME481 |
Specification data - Butyl rubber sealant tapes
Classification data | |
Properties | |
Reaction to fire | To EN 13501-1, Class B-s2, d0. |
Core | |
Material | Butyl rubber. |
Bond | Single-sided. |
Size | 20 m x 100 mm. 20 m x 150 mm. 20 m x 200 mm. 20 m x 250 mm. 20 m x 300 mm. Manufacturer guidanceRoll length x width. |
Colour | Silver. |
Thickness | 1.5 mm. |
Surface protection (top layer) | Aluminium foil finish. |
Water resistance | To EN 1928, Pass at 24 hours and 72 hours. Manufacturer guidanceResistance to water penetration. |
Weather resistance | To EN 1027, ≥600 Pa. Manufacturer guidanceDriving rain resistance. |
Air permeability | To EN 1026, ≤0.1 m³/m²·h at 50 Pa. |
Peel strength | ≥0.30 N/mm. |
UV resistance | 12 months (exposed) and permanent (covered). |
Application temperature range | 5–35°C. |
Cold flex temperature | -30°C. |
Service temperature | -20°C to 80°C. |
Density | 1000–2000 g/m². Manufacturer guidanceGrammage. |
Sustainability data
Material | Butyl Aluminium |
Literature
ME481 Butyl Facade Sealing Membrane (SA) - Product Data Sheet
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