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Curtain Wall Spider Brackets

If you're working with frameless glazing, you already know – it’s all about the detail. That’s where glass spider brackets come in. These compact, high-strength fittings are what hold large glass panels in place without the bulk of a visible frame. The result? A clean architectural finish that doesn’t compromise on structure, safety, or style.

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If you're working with frameless glazing, you already know – it’s all about the detail. That’s where glass spider brackets come in. These compact, high-strength fittings are what hold large glass panels in place without the bulk of a visible frame. The result? A clean architectural finish that doesn’t compromise on structure, safety, or style.

At BM Steel, we supply spider brackets engineered to handle the demands of modern façade and canopy design. Whether securing curtain wall glass on a multi-storey office or crafting an elegant glass canopy over a boutique entrance, these fittings are built for performance under pressure.

Spider brackets for glass don’t just hold things together. They distribute load, absorb movement, and allow you to push design boundaries without pushing safety limits. Designed for flexibility and strength, they’re commonly used in:

  • Curtain wall systems where traditional framing just won’t do
  • Overhead canopies that need to feel light but stay strong
  • Atriums and glass lobbies where light and clarity matter most
  • Frameless balustrades and bridges in public and commercial spaces

Depending on your glazing layout, you’ll find options in 1-, 2-, 3-, and 4-arm configurations. Manufactured in 316-grade stainless steel, they’re corrosion-resistant, weather-tough, and architect-approved.

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View Curtain Wall Spider Brackets FAQS

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Glass Canopy 1 Arm Spider
Glass Canopy 1 Arm Spider
Application: Double Skin Façade, point fixed facade, curtain wall, solar shading, glass elevator, awnings, canopies, etc. Fixing on all types of structures (metal, wood, glass…) Aesthetic and economical model Validated all seismic zones Small space requirement Tested and certified by technical evaluation (test report) Stainless steel 316Structural Bolted Glass Fastener The spiders S3001...
£49.98 inc VAT
Glass Canopy 2 Arm Spider 180 Degree
Glass Canopy 2 Arm Spider 180 Degree
Application: Double Skin Façade, point fixed facade, curtain wall, solar shading, glass elevator, awnings, canopies, etc. Fixing on all types of structures (metal, wood, glass…) Aesthetic and economical model Validated all seismic zones Small space requirement Tested and certified by technical evaluation (test report) Stainless steel 316Structural Bolted Glass Fastener The spiders S3001...
£75.48 inc VAT

Glass Canopy 2 Arm Spider 90 Degree
Glass Canopy 2 Arm Spider 90 Degree
Application: Double Skin Façade, point fixed facade, curtain wall, solar shading, glass elevator, awnings, canopies, etc. Fixing on all types of structures (metal, wood, glass…) Aesthetic and economical model Validated all seismic zones Small space requirement Tested and certified by technical evaluation (test report) Stainless steel 316Structural Bolted Glass Fastener The spiders S3001...
£75.48 inc VAT
Glass Canopy Hook Bolts Double For 10-26mm Glass
Glass Canopy Hook Bolts Double For 10-26mm Glass
? Point Supported “Hook” system for facade. ? 316 stainless stee double attachment. ? Alternative to traditional spider + rotule. ? Simple design. ? The hook system allows for rotation around the pin axis and horizontal movement. ? Glass attachment body is attached to the glass and the panels hook onto the pin.Hook System allows you to gather your glass panels for facades, glass fins,...
£171.36 inc VAT

Glass Canopy Hook Bolts Single For 10-26mm Glass
Glass Canopy Hook Bolts Single For 10-26mm Glass
? Point Supported “Hook” system for facade. ? 316 stainless stee double attachment. ? Alternative to traditional spider + rotule. ? Simple design. ? The hook system allows for rotation around the pin axis and horizontal movement. ? Glass attachment body is attached to the glass and the panels hook onto the pin.Hook System allows you to gather your glass panels for facades, glass fins,...
£111.18 inc VAT
Glass Canopy Spider 4 ArmGlass Canopy Spider 4 Arm
Glass Canopy Spider 4 Arm
Application: Double Skin Façade, point fixed facade, curtain wall, solar shading, glass elevator, awnings, canopies, etc. Fixing on all types of structures (metal, wood, glass…) Aesthetic and economical model Validated all seismic zones Small space requirement Tested and certified by technical evaluation (test report) Stainless steel 316Structural Bolted Glass Fastener The spiders S3001...
£149.94 inc VAT

Curtain Wall Spider Brackets FAQs

How do I know which spider bracket configuration to use?

It depends on your panel layout. A 1-arm bracket supports a single edge, ideal at the ends of a run. 2- and 4-arm options are used where panels meet - typically corners or intersections. Think of it as building a grid, and the brackets are your joints.

Are all spider brackets made the same?

Not quite. While most use stainless steel, you’ll need 316-grade if you’re working outdoors or anywhere near coastal environments. You’ll also want to check load ratings - not all brackets handle the same panel weights or wind pressures.

Can I surface-mount spider brackets, or do they always need countersinking?

Many of our spider brackets are designed for surface mounting, especially in retrofit projects. But countersunk options are available too and often preferred for aesthetic reasons or when flush alignment is critical.

Do spider brackets need adjustment on-site?

Yes – and good ones are designed with that in mind. Most offer slight angular adjustment or slotted fixings to allow for on-site levelling and panel alignment, especially with large glass runs or site variances.

Can you use spider brackets in overhead glazing?

Absolutely – but the glass spec and fixings need to be rated for overhead use. In canopies, spider brackets are often combined with tension rods or cables to carry the loads safely back to structural anchor points.