How does Qu-Pro-300 - Structural Spacer Tape work? - Qualitape

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Qu-Pro-300 Structural Glazing Spacer Tape  is a specialized adhesive tape used in the construction of fenestration systems, particularly in commercial applications such as skylights, storefronts, and curtain walls. The functionality and effectiveness of structural glazing tape can be understood through several key aspects:

 

Purpose and Application

Structural glazing tape serves as a bonding agent between the insulated glass unit (IGU) and the frame of the window or door. Unlike traditional methods that rely solely on silicone caulk for sealing, structural glazing utilizes this tape to create a strong mechanical bond that supports the weight of the glass while also providing an effective seal against environmental elements.

Composition

Typically made from acrylic foam, structural glazing tapes are designed to provide high adhesion properties and flexibility. This composition allows them to accommodate movement due to thermal expansion and contraction, which is crucial in maintaining the integrity of the seal over time.

Installation Process

During installation, structural glazing tape is applied to the frame where the IGU will be placed. The IGU is then positioned onto this tape, creating a uniform gap between the glass and the frame. This gap is subsequently filled with a liquid sealant—usually silicone—providing an additional layer of protection against moisture infiltration and enhancing overall bond strength.

Advantages

The use of structural glazing tape offers several advantages:

Clean Sight Lines: Since it eliminates the need for excessive caulking, it provides aesthetically pleasing sight lines.

Rapid Cure Times: Tapes allow for immediate handling after installation, which can significantly reduce project timelines.

Ease of Fabrication: The application process is straightforward compared to traditional methods involving extensive curing times for sealants.

Performance Characteristics

Structural glazing tapes are engineered to withstand various environmental conditions including UV exposure, temperature fluctuations, and moisture. They maintain their adhesive properties over time without significant degradation, ensuring long-lasting performance.

 

In summary, structural glazing tape works by providing a robust adhesive bond between glass units and frames in fenestration systems while allowing for flexibility and movement due to environmental changes, thus enhancing both performance and aesthetics in building designs.