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2026 Statistics

Key Facts: Meisterprüfung Glaser Exam

€0

Fee for 1st & 2nd Attempt at Modules 1, 2, 3 and Unternehmerprüfung (Federally Funded Since 1 Jan 2024)

WKO Meisterprüfungsstellen & BMAW

Level 6

NQR / EQF Qualification Level (Bachelor-Equivalent Master Qualification)

Nationaler Qualifikationsrahmen (NQR) Österreich

5 Modules

Examination Structure (Meisterarbeit, Fachgespräch, Projektarbeit, Ausbilder, Unternehmer)

Glaser-Meisterprüfungsordnung

§ 94 Z 28

Statutory Regulated Craft Listing in Austrian Trade Code (Gewerbeordnung 1994)

Gewerbeordnung 1994 (GewO 1994)

2.5 kg/m²

Specific Weight of Float Glass per Millimeter of Thickness (Density 2,500 kg/m³)

EN 572-1 / ÖNORM B 3716

120 N/mm²

Characteristic Bending Strength (f_k) of Thermally Toughened Glass (ESG)

EN 12150 / ÖNORM B 3716-1

290 °C

Heat Soak Test (HST) Holding Temperature (± 10 °C) to Prevent NiS Spontaneous Breakage

EN 14179 (ESG-H)

Mst.

Legally Protected Master Craftsman Title Abbreviation

Gewerbeordnung 1994 (GewO 1994) § 21

The Austrian Meisterprüfung Glaser is the NQR Level 6 master craft qualification administered by WKO across 5 modules: practical master project, oral commission exam, written structural glass planning and calculations, apprentice trainer certification, and business administration.

Sample Meisterprüfung Glaser Practice Questions

Try these sample questions to test your Meisterprüfung Glaser exam readiness. Each question includes a detailed explanation. Start the interactive quiz above for the full 100+ question experience with AI tutoring.

1According to EN 572-1, what is the standard nominal density (Dichte) and specific weight per unit area of basic soda-lime silicate float glass (Kalk-Natronsilicatglas)?

A.2,500 kg/m³, which corresponds to exactly 2.5 kg/m² per millimeter of glass thickness

B.2,000 kg/m³, which corresponds to 2.0 kg/m² per millimeter of glass thickness

C.3,000 kg/m³, which corresponds to 3.0 kg/m² per millimeter of glass thickness

D.1,800 kg/m³, which corresponds to 1.8 kg/m² per millimeter of glass thickness

Explanation: Standard soda-lime silicate float glass (Kalk-Natronsilicatglas per EN 572-1) has a standardized density of rho = 2,500 kg/m³ (2.5 g/cm³). For practical workshop and static calculations, this equates to exactly 2.5 kg per square meter per millimeter of nominal glass thickness (e.g., a 6 mm pane weighs 15.0 kg/m²).

2What are the standardized mechanical elastic constants—Young's modulus (Elastizitätsmodul E) and Poisson's ratio (Querdehnungszahl mu)—for architectural float glass under EN 572-1 and ÖNORM B 3716-1?

A.E = 70,000 MPa (70 GPa) and mu = 0.23

B.E = 210,000 MPa (210 GPa) and mu = 0.30

C.E = 25,000 MPa (25 GPa) and mu = 0.15

D.E = 120,000 MPa (120 GPa) and mu = 0.35

Explanation: Under EN 572-1 and the Austrian structural glass design standard ÖNORM B 3716-1, soda-lime silicate glass has a standardized modulus of elasticity E = 70,000 N/mm² (70,000 MPa / 70 GPa) and a dimensionless Poisson's ratio mu = 0.23.

3A continuous float glass facade pane has a length of 3,000 mm. Given a linear thermal expansion coefficient alpha = 9 x 10^-6 1/K, what is the thermal expansion (Delta L) when the temperature rises by Delta T = 40 K?

A.1.08 mm

B.0.36 mm

C.2.16 mm

D.3.60 mm

Explanation: Linear thermal expansion is calculated as Delta L = L_0 * alpha * Delta T. For L_0 = 3,000 mm, alpha = 9 x 10^-6 K^-1, and Delta T = 40 K: Delta L = 3,000 * (9 x 10^-6) * 40 = 1.08 mm. This expansion must be accommodated within the rebate clearance (Glaseinstand/Falzluft).

4What is the standardized characteristic bending tensile strength (charakteristische Biegezugfestigkeit f_k) of thermally toughened safety glass (Einscheibensicherheitsglas ESG) in accordance with EN 12150?

A.120 N/mm² (compared to 45 N/mm² for annealed float glass)

B.70 N/mm² (compared to 30 N/mm² for annealed float glass)

C.200 N/mm² (compared to 100 N/mm² for annealed float glass)

D.45 N/mm² (compared to 15 N/mm² for annealed float glass)

Explanation: Under EN 12150 and ÖNORM B 3716-1, the characteristic bending tensile strength f_k of float-based Einscheibensicherheitsglas (ESG) is 120 N/mm², whereas annealed float glass (Spiegelglas/Floatglas per EN 572) has a characteristic strength of 45 N/mm².

5During a fracture test (Bruchbildprüfung) per EN 12150 on thermally toughened safety glass (ESG) with a nominal thickness between 4 mm and 12 mm, what is the minimum required particle count (Bruchstückanzahl) in a 50 mm x 50 mm counting area?

A.At least 40 particles

B.At least 15 particles

C.At least 80 particles

D.At least 120 particles

Explanation: EN 12150-1 defines the safety fracture pattern for ESG. For glass thicknesses of 4 mm to 12 mm, impact at the designated point must produce at least 40 fragments (Bruchstücke) within a 50 mm x 50 mm evaluation template (excluding the impact zone and edge margins), ensuring small, blunt-edged dice.

6What is the maximum sudden temperature difference (Temperaturwechselbeständigkeit Delta T) that thermally toughened safety glass (ESG) can resist without thermal breakage, compared to annealed float glass?

A.Up to 200 K for ESG (compared to approx. 40 K for annealed float glass)

B.Up to 80 K for ESG (compared to approx. 60 K for annealed float glass)

C.Up to 500 K for ESG (compared to approx. 250 K for annealed float glass)

D.Up to 100 K for ESG (compared to approx. 10 K for annealed float glass)

Explanation: Due to its high surface compressive prestress, thermally toughened safety glass (ESG per EN 12150) withstands sudden thermal shock up to Delta T = 200 K (Kelvin). Heat-strengthened glass (TVG) withstands approx. 100 K, while standard annealed float glass risks thermal fracture at temperature differentials exceeding approx. 40 K.

7Which cross-sectional internal stress profile characterizes thermally toughened safety glass (ESG) produced in a tempering furnace?

A.A parabolic stress distribution featuring high compressive stress (Druckspannung) on both outer surfaces and balancing tensile stress (Zugspannung) in the core

B.Uniform tensile stress across the entire glass cross-section from surface to center

C.High compressive stress concentrated solely in the core with tension on both surfaces

D.A linear gradient with compressive stress on the upper surface and tensile stress on the bottom surface

Explanation: During rapid air quenching in the tempering furnace, the glass surfaces solidify first while the core remains molten. When the core cools and contracts, it pulls against the rigid surfaces, locking the outer layers into permanent parabolic compressive stress (Druckspannung >= 120 MPa) balanced by central tensile stress (Zugspannung).

8Why is heat-strengthened glass (Teilvorgespanntes Glas TVG per EN 1863) specifically preferred over ESG in laminated safety glass (VSG) constructions for structural overhead and canopy glazing?

A.TVG breaks into large, interlocking shards that remain wedged in the frame, providing superior post-breakage load-bearing capacity (Resttragfähigkeit)

B.TVG has a significantly higher bending strength than ESG (180 N/mm² vs 120 N/mm²)

C.TVG can be cut, scored, and drilled on the job site after the heat-strengthening process

D.TVG eliminates the need for PVB interlayer foils when producing laminated safety assemblies

Explanation: When fractured, TVG breaks into large, radial shards running to the edges rather than tiny dice. In a laminated safety glass (VSG) layup, these large interlocking shards clamp together against the frame rebate, providing substantial post-breakage load capacity (Resttragfähigkeit) and preventing the canopy from sagging or collapsing.

9A site glazier attempts to trim 15 mm off the edge of an existing monolithic ESG shower door using a diamond cutting wheel. What will happen?

A.The entire glass pane will immediately and violently shatter into thousands of small crumbs because the surface compression layer is breached

B.The cut will succeed cleanly provided sufficient water coolant is applied to the diamond wheel

C.Only the trimmed 15 mm strip will crumble while the main door panel remains fully intact

D.The glass edge will melt locally and fuse into a rounded arrissed profile

Explanation: Thermally toughened safety glass (ESG) cannot be cut, drilled, notched, or ground after tempering. Any penetration into the surface compressive layer releases the high tensile stress trapped in the central core, triggering instantaneous crack propagation that destroys the entire pane.

10In the Austrian glass trade and architectural specifications, what does the shorthand designation 'VSG 8.2' (or 'VSG aus 2x 4 mm mit 2 Folien') signify per EN ISO 12543?

A.Laminated safety glass consisting of two 4 mm glass panes bonded with two plies of 0.38 mm PVB interlayer (nominal 0.76 mm total interlayer thickness)

B.Monolithic safety glass with 8 mm total thickness and 2 polished edges

C.Laminated glass consisting of an 8 mm pane and a 2 mm pane bonded with liquid resin

D.A fire-resistant glass panel rated for 80 minutes integrity and 20 minutes insulation

Explanation: In European and Austrian glass notation, 'VSG 8.2' (or '44.2') designates a laminated safety glass (Verbundsicherheitsglas) composed of two 4 mm panes (nominal 8 mm glass) bonded with 2 layers of standard PVB foil (each ply is 0.38 mm nominal, so 2 plies = 0.76 mm). Total nominal thickness is 8.76 mm.

About the Meisterprüfung Glaser Exam

The Meisterprüfung Glaser is the statutory master craft qualification in Austria for the glazing trade, regulated under § 94 Z 28 of the Austrian Trade Code (Gewerbeordnung 1994, GewO 1994) as a regulated trade (reglementiertes Gewerbe: Glaser, Glasbeleger und Flachglasschleifer). Positioned at Level 6 of the Austrian National and European Qualifications Framework (NQR/EQF Level 6, bachelor-equivalent), passing the examination confers the legally protected title of 'Meister' (Mst.) and grants the statutory right to establish and manage an independent glass construction and glazing contracting business, sign off structural glass verification reports, and train apprentices. This practice bank offers an English-language MCQ study adaptation covering glass material science (ESG, TVG, VSG, fire glazing), building physics (Ug-value, g-value, sound reduction index Rw), structural glass standards (ÖNORM B 3716 parts 1–5), curtain walls, SSG, glazing block rules, BauV safety regulations, and Austrian contract law (ÖNORM B 2227).

Assessment

Five modules under the Glaser-Meisterprüfungsordnung (connected craft with Glasbeleger und Flachglasschleifer under § 94 Z 28 GewO 1994); assigned to Level 6 of the Austrian National Qualifications Framework (NQR Level 6). Modul 1: Fachlich praktische Prüfung (Meisterarbeit / complex glazing fabrication, edge processing, UV bonding, fittings assembly). Modul 2: Fachlich mündliche Prüfung (Fachgespräch covering material science, building physics, structural glass engineering, standards, occupational safety). Modul 3: Fachlich schriftliche Prüfung (comprehensive project work in structural glass engineering, wind and snow load dimensioning per ÖNORM B 3716, Ug/Rw calculations, shop drawings, and cost estimation). Modul 4: Ausbilderprüfung under §§ 29a ff BAG. Modul 5: Unternehmerprüfung under the Unternehmerprüfungsordnung.

Time Limit

Set per module: practical multi-day project (Modul 1), written technical calculations and project planning 4–6 h (Modul 3), oral commission interview 30–60 min (Modul 2)

Passing Score

Austrian school grading scale 'Sehr gut' (1) to 'Nicht genügend' (5); a module is passed when every examined subject receives at least 'Genügend' (4), with 'mit gutem Erfolg' and 'mit Auszeichnung' awarded for superior overall results

Exam Fee

Free for the 1st & 2nd attempt at Modules 1, 2, 3 and the Unternehmerprüfung (100% federally funded since 1 Jan 2024); from the 3rd attempt, statutory fees under the Allgemeine Prüfungsordnung apply (WKO Meisterprüfungsstellen / Bundesinnung der Dachdecker, Glaser und Spengler)

Meisterprüfung Glaser Exam Content Outline

25% of this practice bank

Glass Types & Material Properties (Glasarten & Werkstoffeigenschaften)

Float glass physical properties and chemistry, thermally toughened safety glass (ESG per EN 12150), heat-strengthened glass (TVG per EN 1863), laminated safety glass (VSG per EN ISO 12543 with PVB and SentryGlas interlayers), chemically strengthened glass, low-iron glass, wired glass, fire-resistant glass classifications (E, EW, EI per EN 13501-2), glass cutting mechanics, edgework (ARR, KMG, KPO), and hole drilling rules.

25% of this practice bank

Insulating Glass Units & Building Physics (Mehrscheiben-Isolierglas & Bauphysik)

Double and triple IGU construction per EN 1279, thermal transmittance Ug-value calculations per EN 673, low-emissivity coating technology and surface positioning, gas fillings (Argon, Krypton), warm-edge spacer bars and Psi-values, solar heat gain coefficient (g-value) and light transmission per EN 410, acoustic insulation (Rw, C, Ctr) per EN ISO 717-1, dual-seal edge bonding (PIB and polysulfide/silicone), and altitude/climatic pressure loads.

25% of this practice bank

Structural Glass Engineering & Safety Standards per ÖNORM B 3716 (Konstruktiver Glasbau & Sicherheitsnormen)

Design fundamentals and safety factors per ÖNORM B 3716-1, linear supported and overhead glazing (Überkopfverglasungen) per ÖNORM B 3716-2, barrier glazing (Absturzsichernde Verglasungen Categories A, B, C) and pendulum impact testing per ÖNORM B 3716-3 / EN 12600, walk-on glass and stair treads per ÖNORM B 3716-4, point-fixed glazing per ÖNORM B 3716-5, Nickel Sulfide inclusions (NiS) and Heat Soak Testing (HST per EN 14179), and glass dead load / wind load deflection calculations.

25% of this practice bank

Glazing Techniques, Facade Systems, Safety & Contracts (Verglasungstechnik, Fassaden, Arbeitsschutz & Vertragsnormen)

Curtain wall systems (Pfosten-Riegel-Fassaden per EN 13830), structural sealant glazing (SSG per ETAG 002), glazing block placement (Verglasungsklotzung per ÖNORM B 3722), shower enclosures, mirror manufacturing and silvering (EN 1036), sealant chemistry (silicone, polysulfide, PU, MS-polymer), occupational health & safety under Bauarbeiterschutzverordnung (BauV), vacuum lifting equipment (EN 13155), cost estimation, and ÖNORM B 2227 contract and measurement rules.

How to Pass the Meisterprüfung Glaser Exam

What You Need to Know

Passing score: Austrian school grading scale 'Sehr gut' (1) to 'Nicht genügend' (5); a module is passed when every examined subject receives at least 'Genügend' (4), with 'mit gutem Erfolg' and 'mit Auszeichnung' awarded for superior overall results
Assessment: Five modules under the Glaser-Meisterprüfungsordnung (connected craft with Glasbeleger und Flachglasschleifer under § 94 Z 28 GewO 1994); assigned to Level 6 of the Austrian National Qualifications Framework (NQR Level 6). Modul 1: Fachlich praktische Prüfung (Meisterarbeit / complex glazing fabrication, edge processing, UV bonding, fittings assembly). Modul 2: Fachlich mündliche Prüfung (Fachgespräch covering material science, building physics, structural glass engineering, standards, occupational safety). Modul 3: Fachlich schriftliche Prüfung (comprehensive project work in structural glass engineering, wind and snow load dimensioning per ÖNORM B 3716, Ug/Rw calculations, shop drawings, and cost estimation). Modul 4: Ausbilderprüfung under §§ 29a ff BAG. Modul 5: Unternehmerprüfung under the Unternehmerprüfungsordnung.
Time limit: Set per module: practical multi-day project (Modul 1), written technical calculations and project planning 4–6 h (Modul 3), oral commission interview 30–60 min (Modul 2)
Exam fee: Free for the 1st & 2nd attempt at Modules 1, 2, 3 and the Unternehmerprüfung (100% federally funded since 1 Jan 2024); from the 3rd attempt, statutory fees under the Allgemeine Prüfungsordnung apply

Keys to Passing

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Meisterprüfung Glaser Study Tips from Top Performers

1Master glass weight calculations: soda-lime silicate float glass has a density of 2,500 kg/m³, which equates to exactly 2.5 kg per m² per mm of thickness (Weight = Area in m² * Thickness in mm * 2.5 kg).

2Understand thermal transmittance (Ug-value) formulas per EN 673: U_g = 1 / (1/h_e + sum(d_i/lambda_i) + sum(1/h_s,j) + 1/h_i), where h_e = 23 W/(m²K), h_i = 7.7 W/(m²K), glass lambda = 1.0 W/(mK), and know the optimal cavity widths (15–16 mm for 90% Argon, 10–12 mm for Krypton).

3Memorize the acoustic design rules per EN ISO 717-1: asymmetric glass thickness (e.g. 6 mm + 4 mm) suppresses the coincidence dip (Koinzidenzeinbruch); acoustic PVB interlayers (Sound Control) increase Rw by 2–4 dB without increasing overall glass thickness.

4Know the structural safety rules of ÖNORM B 3716: overhead glazing (inclination > 10°) mandates VSG (PVB >= 0.76 mm) for the bottom pane; barrier glazing Category A takes full line loads without handrail, Category B requires a continuous top rail spanning adjacent panes, Category C covers infill panels.

5Understand the Nickel Sulfide (NiS) inclusion phenomenon and the Heat Soak Test (HST) per EN 14179: the alpha-to-beta phase transition causes ~4% volumetric expansion that can trigger spontaneous breakage in ESG; HST subjects glass to ~290 °C ± 10 °C holding cycle to eliminate defective panes before installation (ESG-H is mandatory for safety-relevant overhead and facade applications in Austria).

6Review Austrian contract and measurement rules under ÖNORM B 2227: calculate non-rectangular model cuts based on the smallest circumscribed rectangle, verify minimum billing areas (0.5 m² per pane), and apply mandatory warning obligations (Prüf- und Warnpflicht) under ABGB § 1168a.

Frequently Asked Questions

What is the Meisterprüfung Glaser in Austria?

The Meisterprüfung Glaser is the statutory master craft examination for the glazing and glass construction trade in Austria, regulated under § 94 Z 28 of the Austrian Trade Code (Gewerbeordnung 1994, GewO 1994) as a connected regulated craft (Glaser, Glasbeleger und Flachglasschleifer). Administered by the Meisterprüfungsstellen of the Austrian Economic Chambers (WKO), it is aligned with Level 6 of the Austrian National and European Qualifications Framework (NQR/EQF Level 6, bachelor-equivalent). Achieving this qualification entitles the holder to use the legally protected title 'Meister' (Mst.), establish an independent glass construction enterprise, sign off structural glass static verifications, and train apprentices.

What are the 5 modules of the Austrian Glaser Meisterprüfung?

The examination comprises 5 modular sections: Modul 1 is the practical examination (Fachlich praktische Prüfung / Meisterarbeit, involving complex glass processing, edgework, UV bonding, fittings assembly, and quality verification); Modul 2 is the oral examination (Fachlich mündliche Prüfung / Fachgespräch before the commission covering materials, structural glass norms, building physics, and safety); Modul 3 is the written project examination (Fachlich schriftliche Prüfung / Projektarbeit covering structural glass engineering, wind and snow load dimensioning per ÖNORM B 3716, Ug and Rw acoustic calculations, shop drawings, and costing); Modul 4 is the Ausbilderprüfung (apprentice trainer examination under the Berufsausbildungsgesetz BAG); and Modul 5 is the Unternehmerprüfung (business administration, commercial law, taxation, and accounting under the Unternehmerprüfungsordnung).

How much does the Austrian Glaser Meisterprüfung cost?

Since 1 January 2024 (applied retroactively to 1 July 2023), examination fees for the first and second attempt at Modules 1, 2, 3 and the Unternehmerprüfung are 100% federally funded and completely free of charge (€0) for candidates. If a candidate requires a third or subsequent attempt, statutory examination fees under the Allgemeine Prüfungsordnung (BGBl. II Nr. 110/2004) apply as determined by the respective provincial Meisterprüfungsstelle.

What is ÖNORM B 3716 and why is it crucial for Austrian master glaziers?

ÖNORM B 3716 ('Glas im Bauwesen – Konstruktiver Glasbau') is the primary technical standard governing structural glass engineering in Austria. It comprises multiple parts: Part 1 (Fundamentals and material design strengths), Part 2 (Linear supported glazing and overhead glazing / Überkopfverglasung), Part 3 (Barrier glazing / Absturzsichernde Verglasungen Categories A, B, C), Part 4 (Walk-on and trafficable glass / Begehbare Verglasungen), and Part 5 (Point-fixed glazing / Punktförmig gelagerte Verglasungen). Master candidates must master calculating permissible bending stresses, deflection limits (e.g., L/100, L/200), and residual load-bearing capacity (Resttragfähigkeit).

What safety rules apply to overhead glazing and barrier glazing in Austria?

Under ÖNORM B 3716-2, overhead glazing (inclined > 10° from vertical) mandates that the lower pane be laminated safety glass (VSG) with at least a 0.76 mm PVB interlayer (or wire glass for single spans <= 0.7 m) to ensure post-breakage retention. Monolithic ESG is strictly prohibited as a lower overhead pane because it shatters into small fragments and empties the frame. For barrier glazing under ÖNORM B 3716-3, Category A balustrades require full-height impact-resistant VSG, Category B requires continuous handrails spanning adjacent panes to maintain fall protection if one pane fails, and Category C specifies infill panels.

How does this practice question bank adapt the Austrian Meisterprüfung Glaser?

The official Austrian competence examination is conducted in German before a WKO examination commission, utilizing practical workshop projects, complex written engineering calculations, and oral commission interviews. This practice question bank is an English-language multiple-choice study adaptation designed to systematically test theoretical principles, mathematical formulas (Ug-values, sound reduction Rw, wind load deflection, glass weight), Austrian statutory standards (ÖNORM B 3716, ÖNORM B 2227, BauV), and European glass norms (EN 12150, EN ISO 12543, EN 14179, EN 1279) while preserving exact Austrian German technical terms.