Thermal Break Strip for Curtain Walls

For aluminum curtain wall systems, Thermal Break Strip for Curtain Walls provides the non-metallic connection between separated aluminum profile sections. Jinxing, a China manufacturer and factory, produces PA66 GF25 thermal break profiles that can be matched to curtain wall extrusion designs, with the section geometry determined by the profile groove, connection structure, and required dimensions.

Built Around Curtain Wall Profile Geometry

Curtain wall extrusions often contain deeper grooves, multiple connection points, or specially designed sections for mullions, transoms, and other framing components. The thermal break strip needs to correspond with these structures rather than simply being selected by width.

Jinxing can develop the strip around the actual aluminum extrusion, taking into account:

· Profile groove dimensions

· Strip insertion position

· Locking or engagement areas

· Cross-sectional depth

· Required separation between aluminum sections

· Assembly method

This profile-to-strip matching is particularly important when the curtain wall system uses a non-standard aluminum extrusion.

What the Strip Contributes to the Curtain Wall System

The strip serves as a thermal separation component within the aluminum frame. By replacing a continuous metal connection with a polyamide section, it interrupts the direct conductive path between separated aluminum parts.

Its role is closely connected with the design of the complete curtain wall. The aluminum extrusion, thermal break strip, glazing system, seals, and connection method all contribute to the final thermal behavior of the assembled facade.

Product Advantages

Reinforced PA66 Profile

Jinxing uses PA66 GF25 as the primary material. The 25% glass fiber reinforcement provides greater rigidity and mechanical strength than unreinforced polyamide.

Profile-Specific Cross-Sections

The Thermal Break Strip for Curtain Walls can be produced with different geometries according to the curtain wall extrusion, including standard I-Type, C-Type, T-Type, and special sections.

Stable Long-Section Geometry

Curtain wall profiles can involve relatively long aluminum sections. Consistent strip geometry along the extrusion helps maintain the intended relationship between the thermal break and the aluminum profile during assembly.

Controlled Mechanical Properties

Material and finished-profile properties can be checked according to agreed technical requirements, including tensile strength, hardness, thermal aging, and other relevant characteristics.

Mullion and Transom Profile Matching

In curtain wall construction, mullions and transoms can use different aluminum extrusion designs. Their thermal break requirements may therefore differ.

Rather than applying one strip specification across an entire project, the Thermal Break Strip for Curtain Walls section can be determined separately according to the corresponding extrusion.

For projects with several curtain wall profile sections, Jinxing can review the drawings and organize the required strip specifications accordingly.

Section Development for Curtain Wall Systems

When an existing standard strip cannot match the aluminum extrusion, Jinxing supports profile development based on engineering information.

The development process can include:

Aluminum Profile Drawing → Section Analysis → Tooling → Trial Profile → Dimensional Verification → Production

Critical dimensions are confirmed during the trial stage before regular production. This is useful for curtain wall manufacturers developing proprietary extrusion systems or replacing an existing thermal break strip.

Material and Performance Requirements

The main material used by Jinxing is PA66 reinforced with 25% glass fiber.

For curtain wall projects, relevant material characteristics may include:

· Tensile strength

· Shear-related mechanical performance

· Shore hardness

· Thermal aging resistance

· Water resistance

· Linear expansion behavior

· Performance at specified temperatures

Testing can be arranged according to applicable standards and the customer's technical specification.

Inspection Focus

For Thermal Break Strip for Curtain Walls, dimensional accuracy is particularly important at the areas that engage with the aluminum extrusion.

Jinxing's inspection can cover:

Selection Guide

Before ordering a thermal break strip for a curtain wall, the most useful information is the mating aluminum extrusion drawing.

The key points to confirm are:

Aluminum section → Groove structure → Strip geometry → Mechanical connection → Required dimensions → Material → Quantity

For a multi-profile curtain wall project, each relevant aluminum section should be checked separately rather than assuming that one thermal break strip will fit all framing members.

FAQ

What is a Thermal Break Strip for Curtain Walls?

It is a polyamide insulation profile positioned between separated aluminum sections in a thermally broken curtain wall framing system.

What material does Jinxing use?

Jinxing mainly produces curtain wall thermal break strips using PA66 GF25, with 25% glass fiber reinforcement.

Can the strip be matched to a custom curtain wall extrusion?

Yes. Jinxing can develop the cross-section according to an aluminum profile drawing or existing strip sample.

Are different strips required for mullions and transoms?

They may be. The correct strip depends on the geometry and groove structure of each aluminum extrusion, so different curtain wall profiles may require different specifications.

What information is needed for a quotation?

An aluminum profile drawing, required strip section or sample, dimensions, material requirements, color, length, and estimated quantity are useful for confirming the specification.

Can Jinxing produce special-shaped curtain wall thermal break strips?

Yes. Non-standard cross-sections can be developed through dedicated tooling based on the customer's profile requirements.