Structural Spacer Glazing Tape Guide.
When precision, long-term performance, and secure glass placement are essential to avoiding costly glazing failures, the right spacer tape makes all the difference.
Structural spacer glazing tape is engineered for reliability in glazing systems, ensuring consistent spacing, strong adhesion, and dependable performance. In this guide, we cover its benefits, technical specifications, applications, and installation best practices.
Why Structural Spacer Glazing Tape Matters
Structural & Long-Term Integrity
Structural spacer glazing tape ensures the correct gap between glass and frame, which allows sealants to cure at the right depth for maximum strength. This precision helps the sealed joint withstand wind loads, structural movement, and environmental changes over decades of service.
Thermal and Acoustic Performance
By limiting heat transfer, structural spacer tapes improve energy efficiency in glazing units. The material also dampens sound transmission, enhancing comfort inside buildings.
Installation Efficiency & Safety
The high-tack adhesive holds glass in place during assembly, reducing handling time and minimising the risk of glass shifting before sealant cures. This streamlines workflows and improves on-site safety.
Common Types in the Industry
Structural spacer glazing tapes are manufactured using a variety of materials, each chosen for its performance characteristics. Open-cell acrylic foam is commonly used for its breathability, which allows structural silicone sealants to cure fully while maintaining dependable adhesion. Polyurethane foam offers good flexibility and compression recovery, making it suitable for use on uneven surfaces or in applications where movement is expected.
At AS Rubber, we supply high-density PVC foam for structural glazing. We supply this material specifically for its ability to maintain consistent spacing, and reliable performance in long-term glazing installations.
Applications
Structural spacer glazing tape is used across a wide range of glazing and façade applications. It is commonly used in:
Structural silicone glazing systems
Curtain walls
Storefronts and point-fixed glazing
Façade and cladding applications
Commercial and industrial glazing projects
Our structural spacer glazing tape is suitable for all of these applications. For more on glazing tape applications, see our glazing tape applications guide.
How to Install Structural Spacer Glazing Tape – Best Practices
Prepare the surface: Clean and dry thoroughly.
Measure and apply: Use a single continuous strip to avoid weak points.
Apply pressure: Ensure full adhesive contact.
Sealant application: Use compatible structural silicone and follow curing guidelines.
Avoid: Stretching the tape during application, applying to contaminated surfaces, or using incompatible sealants.
Our structural spacer glazing tape has a double-sided, high-tack acrylic adhesive for secure placement, offers quick recovery after compression, and maintains consistent joint depth. Available in thicknesses from 3 mm to 9.5 mm and in black as standard (white and grey on request).
By choosing and correctly installing our structural spacer glazing tape, you can achieve lasting performance, strong adhesion, and precise spacing in your glazing projects. For full technical details, visit our Structural Spacer Tape product page.
View other products available from our Adhesive Tapes Range.
