AL7® Butyl Spacer Bar Primary Seal Tape
AL7 Meipa S.r.l. Butyl Spacer Bar Primary Seal Tape is a high-performance double-sided sealing tape designed for insulating glass (IG) applications. It is used as a primary seal in spacer bar systems to ensure airtight, watertight, and long-lasting sealing performance. The butyl-based adhesive provides excellent adhesion to aluminum and metal spacer bars, ensuring strong bonding and reliable insulation performance. It helps improve the durability and energy efficiency of insulating glass units used in modern façade and glazing systems. The tape is easy to apply manually and ensures consistent sealing quality in IG manufacturing processes.
Technical details
- Product TypeDouble-sided Butyl Adhesive Seal Tape
- BrandAL7 Meipa S.r.l.
- Product NameButyl Spacer Bar Primary Seal Tape
- ApplicationInsulating Glass (IG) Spacer Bar Sealing
- Sealant FunctionPrimary sealing for insulating glass units
- Application MethodManual application
- Compatible UseSpacer bar sealing systems
- Adhesion TypeHigh-performance waterproof butyl adhesive
- Water ResistanceExcellent
- Moisture ResistanceExcellent
- Air TightnessExcellent
- Weather ResistanceExcellent
- Secondary Sealant CompatibilityCompatible with approved IG secondary sealants
- DensityHigh tack butyl compound (industrial grade)
- ElongationHigh flexibility
- UV ResistanceVery good
- Aging ResistanceExcellent
- Temperature Resistance-40°C to +90°C
- Compatible SurfacesAluminum spacer bars, stainless steel, coated metals, glass
- System CompatibilityInsulating Glass (IG) systems
- Tape Thickness0.8 mm
- Tape Width4 mm
- Roll Length50 m
- Application AreaIG unit fabrication and spacer bar assembly
- Service LifeLong-term durability in sealed insulating glass units
- Country of OriginItaly
Description
AL7 Meipa S.r.l. Butyl Spacer Bar Primary Seal Tape is a high-performance sealing solution designed for insulating glass (IG) applications. It is used as a primary seal in spacer bar systems to provide strong adhesion, airtight sealing, and long-term moisture protection. The butyl-based formulation ensures excellent bonding with aluminum and metal spacer bars, improving the structural integrity and energy efficiency of insulating glass units. It is widely used in modern façade and glazing systems where reliable sealing performance and durability are required. The tape allows easy manual application and ensures consistent quality in IG manufacturing processes.
Spec & Technical Data
AL7 Meipa S.r.l. Butyl Spacer Bar Primary Seal Tape is manufactured from high-grade butyl rubber compound designed for insulating glass spacer systems. It provides excellent adhesion strength, superior moisture resistance, and long-term sealing stability under thermal and environmental stress. The tape ensures airtight and watertight performance in IG units while maintaining flexibility across a wide temperature range. It offers strong resistance to UV exposure, aging, and shear forces, making it suitable for demanding façade applications. The product is compatible with aluminum spacer bars and approved secondary sealants, ensuring reliable performance in double and triple glazing systems.
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