Dorman® Butyl Spacer Bar Primary Seal Tape
Dorman® Butyl Spacer Bar Primary Seal Tape is a high-performance sealing tape used in insulating glass (IG) spacer systems as a primary seal. It provides excellent adhesion, superior moisture resistance, and long-term sealing reliability in double and triple glazing units. Designed for efficient application on spacer bars, it ensures airtight and watertight performance, improving the durability and thermal efficiency of insulated glass systems.
Technical details
- Product TypeDouble-sided Butyl Adhesive Seal Tape
- BrandDorman®
- Product NameButyl Spacer Bar Primary Seal Tape
- ApplicationInsulating Glass (IG) Spacer Bar Sealing
- FunctionPrimary Seal for IG Units
- Sealant FunctionPrimary sealing for insulating glass units
- Application MethodManual application
- Compatible UseSpacer bar sealing systems
- Adhesion TypeWaterproof butyl adhesive
- Water ResistanceExcellent
- Moisture ResistanceExcellent
- Air TightnessExcellent
- Secondary Sealant CompatibilityCompatible with approved IG secondary sealants
- Tape Thickness0.8 mm
- Tape Width4 mm
- Roll Length50 m
- Packaging100 rolls per box
- Country of OriginChina
Description
Dorman® Butyl Spacer Bar Primary Seal Tape is a high-performance double-sided sealing tape designed for insulating glass (IG) spacer bar applications. It is used as a primary seal in double and triple glazing units to ensure strong adhesion, airtight sealing, and excellent moisture protection. The butyl-based formulation provides superior waterproofing performance and long-term durability, helping to prevent air and moisture infiltration inside the IG unit. It is easy to apply manually on spacer bars, offering consistent sealing quality and improving the overall thermal efficiency and lifespan of insulated glass systems used in modern façade and glazing applications.
Spec & Technical Data
Dorman® Butyl Spacer Bar Primary Seal Tape is manufactured from high-quality butyl rubber compound designed for insulating glass spacer systems. It provides excellent tackiness, high moisture resistance, and strong adhesion to aluminum and stainless-steel spacer bars. The tape ensures reliable primary sealing performance by preventing air and moisture infiltration in IG units. It maintains flexibility over a wide temperature range and delivers long-term stability under thermal and environmental stress, making it suitable for high-performance glazing applications.
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