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Specialist curved glazing

Curved glass with the geometry recorded

Start with the application and bend geometry. Record the radius or template requirement so a specialist can assess manufacture.

Product guide

Curved glass with the geometry recorded

Start with the application and bend geometry. Record the radius or template requirement so a specialist can assess manufacture.

A modest curved glass display cabinet.
AI-generated illustration. Appearance varies by specification; this is not an exact product sample.

Curved glass, bent glass panels and bespoke cylindrical glazing

Curved glass starts with geometry. Radius, chord, arc length, rise and bend axis describe different aspects of the panel. A clear drawing should identify which glass face or centre line defines the radius and how the panel connects to its supports.

Curved annealed glass, toughened curves, curved laminates and curved insulating units use different production routes. Minimum radius and available dimensions depend on the processor, glass thickness, coating and construction. No single universal bending limit covers them all.

Display cabinets, partitions and curved shopfronts can have very different optical and safety requirements. Include templates or survey information where a new pane must match an existing curve. Agree tolerances and the expected visual appearance before manufacture.

Curved glass with the geometry recorded for your project

Common enquiry briefs include display or furniture, curved partition, shopfront, curved balustrade. Describe the intended use and the supporting construction so the supplier can assess the complete specification. Different applications can need different glass processing, fixings and installation details.

A radius needs a reference

Inner-face and outer-face radii differ. A drawing should state the bend axis and reference surface.

Agree the process

Annealed, heat-treated and laminated curves have different production routes and available geometries.

What to include in a made-to-measure quote

Compare quotes using the same dimensions, quantities, finish, glass construction and installation scope. If you have a drawing or an existing specification, include its reference and identify which details still need advice.

  • Glass construction: Manufacturing capability depends on geometry and processing.
  • Bend geometry: Use the notes for radius, chord, arc length, rise and the bend axis.
  • Radius reference: Confirm which glass surface the radius is measured to.
  • Appearance: Colour and finish are requests; confirm a sample before ordering.

Cut-to-size dimensions, edges and fabrication

Measure the finished glass only when the fitting allowances and support details are known. Otherwise identify the opening or existing panel you measured and request a survey. Give each different size its own basket line, with its quantity and drawing reference.

Holes, cut-outs, shaped edges and interfaces with hardware should be settled before manufacture. The finished glass construction and any coatings must suit the intended environment. A screen preview or concept photograph cannot replace a sample, survey or product-specific installation drawing.

Supplier checks before manufacture

  • Minimum radius is specific to the processor, thickness, coating and shape; no universal limit is assumed.
  • Confirm tolerances, templates and optical appearance before manufacture.

Requesting comparable glass quotes

Save the choices you know and ask for help with the rest. The quote basket records a specification request rather than placing a manufacturing order. A firm quote needs an agreed final build, dimensions, delivery arrangements and any installation or design work.

When comparing proposals, check that glass-only supply and supply with fitting cover the same scope. Ask who provides measurement, drawings, supports, compatible hardware, lifting access and finishing work. Keep the final approved specification with the order.

Sources and further reading

Guided specification · Save multiple sizes · Supplier-confirmed quotes

Your glass, step by step

Build your specification

Choose what you know. Leave the rest for a supplier to advise. Add different sizes as separate basket lines.

No account needed to configure
1. Your project

1What are you making?

2. Glass and performance

2Choose the details

Examples and guidanceCurved glass geometry and manufacture

Manufacturing capability depends on geometry and processing.

Cylindrical curve: plan referencesCurved plan schematic showing chord and rise. The chosen surface radius and bend axis must also be specified.Glass constructionIllustrative schematic, not to scale or a fabrication / fixing specification.

What your choice means

Define the radius, chord, rise, bend axis and measurement surface on a drawing. Curved glass dimensions cannot be recovered reliably from a flat width and height alone.

Confirm whether the product is annealed, toughened or laminated curved glass. The manufacturer reviews tolerances, support conditions and any mismatch between adjacent curved panels.

Examples you may seeFor a cylindrical curve, provide a plan section and its radius datum.For a replacement, request a template or survey if the radius is unknown.Available choices: Help me choose; Annealed curve; Toughened curve; Laminated curve; Insulating glass curve.Current choice: Help me choose. This is your request for the supplier to confirm.Curved glass with the geometry recorded: original Flow application conceptAI-generated product illustration from Google Flow; not an exact product sample, completed installation or proof of performance.Guardian: GlassTime technical handbook (opens in a new tab) ↗

Manufacturing capability depends on geometry and processing.

Examples and guidanceCurved glass geometry and manufacture

Use the notes for radius, chord, arc length, rise and the bend axis.

Cylindrical curve: plan referencesCurved plan schematic showing chord and rise. The chosen surface radius and bend axis must also be specified.Bend geometryIllustrative schematic, not to scale or a fabrication / fixing specification.

What your choice means

Define the radius, chord, rise, bend axis and measurement surface on a drawing. Curved glass dimensions cannot be recovered reliably from a flat width and height alone.

Confirm whether the product is annealed, toughened or laminated curved glass. The manufacturer reviews tolerances, support conditions and any mismatch between adjacent curved panels.

Examples you may seeFor a cylindrical curve, provide a plan section and its radius datum.For a replacement, request a template or survey if the radius is unknown.Available choices: Help me choose; Cylindrical — one bend axis; Complex / double curvature; Match existing — template available; Geometry not yet surveyed.Current choice: Help me choose. This is your request for the supplier to confirm.Curved glass with the geometry recorded: original Flow application conceptAI-generated product illustration from Google Flow; not an exact product sample, completed installation or proof of performance.Guardian: GlassTime technical handbook (opens in a new tab) ↗

Use the notes for radius, chord, arc length, rise and the bend axis.

Examples and guidanceCurved glass geometry and manufacture

Confirm which glass surface the radius is measured to.

Cylindrical curve: plan referencesCurved plan schematic showing chord and rise. The chosen surface radius and bend axis must also be specified.Radius referenceIllustrative schematic, not to scale or a fabrication / fixing specification.

What your choice means

Define the radius, chord, rise, bend axis and measurement surface on a drawing. Curved glass dimensions cannot be recovered reliably from a flat width and height alone.

Confirm whether the product is annealed, toughened or laminated curved glass. The manufacturer reviews tolerances, support conditions and any mismatch between adjacent curved panels.

Examples you may seeFor a cylindrical curve, provide a plan section and its radius datum.For a replacement, request a template or survey if the radius is unknown.Available choices: Help me choose; Inside face; Outside face; Centre line; Drawing to follow.Current choice: Help me choose. This is your request for the supplier to confirm.Curved glass with the geometry recorded: original Flow application conceptAI-generated product illustration from Google Flow; not an exact product sample, completed installation or proof of performance.Guardian: GlassTime technical handbook (opens in a new tab) ↗

Confirm which glass surface the radius is measured to.

Examples and guidanceAppearance and a physical sample

Colour and finish are requests; confirm a sample before ordering.

Appearance sample comparisonThree illustrative colour samples, not an exact product or privacy demonstration.AppearanceIllustrative schematic, not to scale or a fabrication / fixing specification.

What your choice means

Clear, low-iron, tinted, satin and decorative finishes alter transmitted light and appearance in different ways. Screen illustrations cannot establish the actual colour, privacy or surface texture.

Request a sample of the named product in the proposed thickness and finish. Agree which face is exposed and the orientation of any directional treatment before manufacture.

Examples you may seeCompare the sample beside neighbouring panels.Confirm the exact product name and finish, rather than a colour description alone.Available choices: Help me choose; Clear; Low-iron / extra clear; Satin / frosted; Grey tint; Bronze tint.Current choice: Help me choose. This is your request for the supplier to confirm.Curved glass with the geometry recorded: original Flow application conceptAI-generated product illustration from Google Flow; not an exact product sample, completed installation or proof of performance.Guardian: glass types (opens in a new tab) ↗

Colour and finish are requests; confirm a sample before ordering.

3. Sizes and fabrication notes

3Size and quantity

Enter finished glass sizes. If you only have opening sizes, ask for a survey or fitting allowance before ordering.

Examples and guidancePanel outline and drawing

Choose the finished outline. A rectangle needs width and height; a circle needs diameter. Bespoke shapes need enough dimensions, radii and datum references to define the outline.

Panel dimension referenceFinished rectangular panel width and height. Opening dimensions are a different reference.ShapeIllustrative schematic, not to scale or a fabrication / fixing specification.

What your choice means

A preview is an illustration; ask the supplier to confirm the manufacturing drawing or template.

Examples you may seeRectangle or square: finished width and height.Circle: diameter, with hole or cut-out positions separately documented.Available choices: Rectangle; Circle; Shaped / drawing to follow.Curved glass with the geometry recorded: original Flow application conceptAI-generated product illustration from Google Flow; not an exact product sample, completed installation or proof of performance.Guardian: glass types (opens in a new tab) ↗
Examples and guidanceMeasurement units

1 cm equals 10 mm. Choose the units before entering sizes; keep drawing annotations in the same units.

Panel dimension referenceFinished rectangular panel width and height. Opening dimensions are a different reference.Measurement unitsIllustrative schematic, not to scale or a fabrication / fixing specification.

What your choice means

The form converts entered measurements to the existing millimetre specification fields.

Examples you may see120 cm = 1,200 mm.60 cm = 600 mm.Available choices: Millimetres (mm); Centimetres (cm).Curved glass with the geometry recorded: original Flow application conceptAI-generated product illustration from Google Flow; not an exact product sample, completed installation or proof of performance.Guardian: glass types (opens in a new tab) ↗
Examples and guidanceFinished panel dimensions

Record the finished width and height of each distinct panel. For a circle use its diameter; shaped work needs a dimensioned drawing or agreed template.

Panel dimension referenceFinished rectangular panel width and height. Opening dimensions are a different reference.Width ( mm )Illustrative schematic, not to scale or a fabrication / fixing specification.

What your choice means

An opening, frame and finished glass are different references. Request a survey when the finished manufacturing dimensions remain unknown.

Examples you may seeOne size per basket line; quantity records identical pieces.Check units and the dimension reference before confirming manufacture.Curved glass with the geometry recorded: original Flow application conceptAI-generated product illustration from Google Flow; not an exact product sample, completed installation or proof of performance.Guardian: glass types (opens in a new tab) ↗
Examples and guidanceFinished panel dimensions

Record the finished width and height of each distinct panel. For a circle use its diameter; shaped work needs a dimensioned drawing or agreed template.

Panel dimension referenceFinished rectangular panel width and height. Opening dimensions are a different reference.Height ( mm )Illustrative schematic, not to scale or a fabrication / fixing specification.

What your choice means

An opening, frame and finished glass are different references. Request a survey when the finished manufacturing dimensions remain unknown.

Examples you may seeOne size per basket line; quantity records identical pieces.Check units and the dimension reference before confirming manufacture.Curved glass with the geometry recorded: original Flow application conceptAI-generated product illustration from Google Flow; not an exact product sample, completed installation or proof of performance.Guardian: glass types (opens in a new tab) ↗
Examples and guidanceQuantity of identical pieces

Quantity counts pieces with the same size and specification. Enter different sizes or constructions as separate basket lines so each requirement is retained.

Numbered specification scheduleA numbered schedule separates panel specification, hardware, delivery, fitting and approvals.QuantityIllustrative schematic, not to scale or a fabrication / fixing specification.

What your choice means

Examples you may seeThree identical panels: quantity 3.Two distinct sizes: separate lines.Curved glass with the geometry recorded: original Flow application conceptAI-generated product illustration from Google Flow; not an exact product sample, completed installation or proof of performance.Guardian: glass types (opens in a new tab) ↗
Examples and guidanceDrawing references and unresolved details

Record drawing references, site conditions and requirements not captured in the choices. Identify anything that needs a survey or supplier confirmation before manufacture.

Numbered specification scheduleA numbered schedule separates panel specification, hardware, delivery, fitting and approvals.Project and fabrication notesIllustrative schematic, not to scale or a fabrication / fixing specification.

What your choice means

Examples you may seeNumber drawings and panel positions consistently.State access constraints and the requested work scope.Curved glass with the geometry recorded: original Flow application conceptAI-generated product illustration from Google Flow; not an exact product sample, completed installation or proof of performance.Guardian: glass types (opens in a new tab) ↗

0/2000 characters. Share drawings and photos in the job conversation after submitting.

Before you choose

The decisions that matter

01

A radius needs a reference

Inner-face and outer-face radii differ. A drawing should state the bend axis and reference surface.

02

Agree the process

Annealed, heat-treated and laminated curves have different production routes and available geometries.

Ready for a useful supplier quote

  • Minimum radius is specific to the processor, thickness, coating and shape; no universal limit is assumed.
  • Confirm tolerances, templates and optical appearance before manufacture.

Research behind these choices

Reviewed 23 October 2026. Manufacturer guidance and supplier ordering pages inform these design questions. Agree the final construction and project requirements with your supplier.

Useful questions

Can I get a quote before I know every detail?

Yes. Choose Help me choose where you need advice, or request a site measurement. Suppliers can review the brief; a firm manufacturing price needs an agreed final specification.

Does adding a panel place an order?

No. It saves a specification in your quote basket. Review the basket and provide your delivery details to request supplier quotes. Your configuration does not approve the product for installation.

What should I confirm for bent and curved glass?

Minimum radius is specific to the processor, thickness, coating and shape; no universal limit is assumed. Confirm tolerances, templates and optical appearance before manufacture.

Compare related glass