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2026 Statistics

Key Facts: Tømrersvendeprøven Exam

Level 4

Qualification level in the Danish Qualifications Framework

BEK nr. 158 af 22/01/2026

4 years

Apprenticeship duration alternating between school and jobsite

UddannelsesGuiden

C24

Primary structural timber strength grade used in Danish framing

DS/EN 338

1.0 l/s/m²

Maximum allowable building envelope air leakage at 50 Pa under BR18

Bygningsreglementet BR18

Grade 02

Minimum passing grade required in both project and practical tests

BEK nr. 158/2026 § 24

Byggeriets Uddannelser's Tømrer svendeprøve is a multi-part practical and theoretical assessment evaluating roof truss geometry, timber frame construction, airtightness, and BR18 insulation standards.

Sample Tømrersvendeprøven Practice Questions

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

1A carpenter is calculating the theoretical rafter length (spærhoved) for a symmetrical saddeltag with a horizontal run (halvspændvidde) of 4.50 m and a roof pitch of 30°. Neglecting eaves overhang (udhæng), what is the theoretical length of the rafter slope from ridge to the outer edge of the wall plate (rem)?

A.5.20 m

B.4.85 m

C.5.55 m

D.3.90 m

Explanation: Theoretical rafter slope length equals run divided by the cosine of the roof pitch: L = 4.50 m / cos(30°) = 4.50 / 0.8660 = 5.196 m, which rounds to 5.20 m. This trigonometry calculation is fundamental when drafting cutting lists for roof framing.

2What is the primary structural difference between an industrialized gitterspær and a traditional hanebåndsspær?

A.A gitterspær relies on triangulated web members connected with punched metal nail plates (tandplader) to span wall-to-wall without internal load-bearing walls, whereas a hanebåndsspær uses a horizontal collar tie (hanebånd) allowing habitable attic space (udnyttelig tagetage)

B.A gitterspær can only be used on single-pitch shed roofs (pulttag), whereas a hanebåndsspær is exclusively used on flat timber roofs (flade tage)

C.A gitterspær requires continuous masonry support along its entire bottom chord (spærfod), whereas a hanebåndsspær requires no perimeter wall plates (remme)

D.A gitterspær cannot support a gypsum ceiling lining, whereas a hanebåndsspær carries only exterior roof tiles without rafters

Explanation: A gitterspær (W-truss or Pratt truss) is fully triangulated with steel nail plates, delivering vertical loads to external walls without internal partitions, leaving an open unhabitable cold attic. A hanebåndsspær introduces a collar tie (hanebånd) connecting opposite rafters at head height, creating a clear interior envelope for a first-floor living space.

3A structural detail permits a birdsmouth notch no deeper than one-quarter to one-third of a particular solid rafter's depth. Which cut follows that supplied limit?

A.Notch depth should not exceed 1/4 to 1/3 of the rafter depth to avoid severe shear weakening (flækning)

B.Notch depth must be exactly 1/2 of the rafter depth to ensure rigid moment transfer

C.Notch depth must be at least 3/4 of the rafter depth to prevent uplift without mechanical fasteners

D.Notch cutting is completely prohibited in Eurocode 5 timber design

Explanation: For the stated detail, the first option stays within the supplied notch limit. Notch geometry must actually be verified by the structural design and connector/detail information; member size, grain, shear, tension perpendicular to grain, support and loads prevent treating one fraction as a universal Eurocode allowance.

4What is the key architectural and structural function of a scissor truss (saksespær)?

A.It features pitched bottom chords that provide an elevated sloped ceiling (skråloft) inside the building while functioning as an engineered truss

B.It allows the carpenter to fold the truss like scissors for compact highway transport

C.It eliminates the need for any exterior wall plates (remme) by hanging from the chimney

D.It is used exclusively to frame flat dormer windows (kviste) on low-slope roofs

Explanation: A scissor truss (saksespær) has sloped lower chords that intersect at a central apex lower than the main ridge, giving rooms a vaulted or cathedral ceiling (skråloft). It provides higher internal ceiling height while transferring roof loads structurally to the external perimeter walls.

5A hipped roof (valmtag) has a regular rectangular building plan with identical common rafter slopes of 45° on all four sides. What is the plan angle (i plan) of the hip rafter (gratspær) relative to the exterior walls at the 90° building corner?

A.45°

B.30°

C.60°

D.90°

Explanation: In a regular hip roof where adjacent roof planes have identical pitches and meet at a 90° corner, the hip rafter bisects the right angle. Therefore, the plan angle of the gratspær is exactly 90° / 2 = 45°. This symmetry simplifies the layout of the hip seat and cheek bevels.

6A flexible-underlay valley system specifies a continuous valley strip with the adjacent roof underlay lapped at least 200 mm onto it. Which detail follows that system?

A.A continuous underlayment strip must run down the valley centerline, with the intersecting side roof underlayment overlapping it by at least 200 mm on both sides and clamped with counter battens (afstandslister)

B.The underlayment must be cut flush along the valley valley board without any overlapping to allow rapid drainage

C.Underlayment is omitted in the skotrende because metal zinc or aluminum flashing acts as the sole waterproofing layer

D.The underlayment must be joined with open, unglued butt joints to allow air pressure equalization

Explanation: The first option follows the supplied valley-system detail and maintains a secondary drainage path beneath the metal valley. Lap width, bonding, support and counter-batten arrangement are product- and roof-specific, so the approved undertag design controls rather than a universal 200 mm rule.

7Under Træinformation guidelines and Eurocode 5, why must continuous diagonal steel wind-bracing straps (vindtrækbånd) or timber diagonal bracings be installed on the top chords of gitterspær trusses?

A.To transfer wind loads acting on the gables and roof planes down to the building's stabilizing walls and prevent out-of-plane truss buckling

B.To increase the self-weight of the roof so heavy concrete roof tiles cannot slide off

C.To eliminate the need for mechanical connections between the truss and the wall plate (rem)

D.To provide an electrical earthing conductor for lightning protection without copper rods

Explanation: Diagonal wind bracing (vindkryds / vindtrækbånd) forms a rigid structural diaphragm across the rafter chords. It transfers longitudinal wind pressure from the gable walls into the load-bearing cross walls or foundations and prevents catastrophic progressive lateral buckling of slender truss compression members.

8A carpenter is setting out the vertical rise (højde) from the top of the wall plate to the top of the ridge for a gable roof with a total building width of 10.00 m (run = 5.00 m) and a pitch of 25°. What is the theoretical rise?

A.2.33 m

B.2.75 m

C.1.95 m

D.3.15 m

Explanation: Theoretical rise is calculated using the tangent function: Rise = Run × tan(θ). With Run = 10.00 m / 2 = 5.00 m and tan(25°) = 0.4663, Rise = 5.00 × 0.4663 = 2.3315 m, which rounds to 2.33 m.

9What is the practical moisture-design distinction between a diffusion-open and a more vapor-resistant roof underlay?

A.A diffusion-open approved system can allow insulation to approach the membrane, while a more vapor-resistant system normally needs a designed ventilated space beneath it

B.A diffusion-open underlayment requires continuous bitumen torching, whereas a diffusion-tight underlayment is hung loosely on rafters

C.A diffusion-open underlayment can only be used on flat roofs below 5°, whereas diffusion-tight underlayment is restricted to thatch roofs

D.A diffusion-open underlayment eliminates the need for an interior vapor barrier (dampspærre)

Explanation: A diffusion-open system provides greater outward drying potential and may be designed without a separate lower ventilation cavity. A more vapor-resistant underlay usually relies on a continuously ventilated gap beneath it. Exact Sd classification, clearance and ventilation area come from the approved roof build-up; neither membrane eliminates interior airtightness and vapor-control design.

10In Danish residential construction, what is the minimum required width of the support board (skotrenderende) beneath a preformed metal valley flashing?

A.At least 150 to 200 mm of solid timber boarding on each side of the valley centerline to adequately support the metal flashing and foot traffic

B.Exactly 25 mm total width centered under the valley seam

C.Support boarding is prohibited under Byg-Erfa guidelines to allow thermal movement

D.500 mm on each side, requiring double rafter pairs along the valley

Explanation: A skotrende board (typically 25 mm rough-sawn board or exterior-grade plywood) must extend at least 150 to 200 mm up each side of the valley angle. This provides a stable, continuous backing for the zinc or aluminum trough and prevents puncture from tools or foot traffic during maintenance.

About the Tømrersvendeprøven Exam

Tømrersvendeprøven is the statutory trade examination concluding the 4-year carpentry apprenticeship in Denmark, regulated by BEK nr. 158/2026. The examination assesses structural timber framing, roof truss calculations (gitterspær, hanebåndsspær), hip and valley rafter layout, timber strength classes (C18, C24), vapor barriers (dampspærre), thermal insulation, and strict building physics under BR18. Skuemestre evaluate dimensional precision, plumbness, airtight detailing, joint fit, and trade finish. This study bank reinforces mathematical pitch calculations, thermal envelope design, Eurocode 5 timber standards, and site safety.

Assessment

Under BEK nr. 158/2026 and Byggeriets Uddannelser' June 2026 guide, the svendeprøve is administered in the final fifth main-course period. The case covers research, material and construction selection, cost, time, maintenance and sustainability and supports drawings, quantity takeoff and quality assurance. A separate practical task tests specified wall, floor, roof, cladding and connection skills.

Time Limit

Case: 48 lessons. Oral examination: 30 minutes including deliberation. Practical task: 37 hours.

Passing Score

A minimum grade of 02 on the Danish 7-point scale (7-trinsskalaen) in both the case project examination and the practical timber construction test.

Exam Fee

No candidate-paid fee; the training company pays DKK 1,780 (organized in DI/Kooperationen) or DKK 2,815 (unorganized) to Byggeriets Uddannelser. (Approved technical colleges and Det Faglige Fællesudvalg for Træfagene / Byggeriets Uddannelser)

Tømrersvendeprøven Exam Content Outline

25 questions

Roof Geometry & Truss Systems

Pitch calculations, gitterspær, hanebåndsspær, birdsmouth cuts, hip and valley rafters, and roof ventilation.

20 questions

Timber Frame Walls & Sheathing

Stud spacing (c/c 400/600), top/bottom plates, lintel headers over openings, structural bracing, and wind barriers.

20 questions

Building Physics & Thermal Envelope

U-value calculations, thermal bridging, dampspærre airtightness under BR18 (max 1.0 l/s/m²), and condensation risk.

15 questions

Drywall Systems & Fire Protection

Gypsum board installation, EI30/EI60 fire classifications, acoustic battens, and suspended ceiling grids.

10 questions

Exterior Cladding, Doors & Windows

Ventilated timber rainscreens (1-på-2, klink), flashing joints, door/window fixing, and drainage cavities.

10 questions

Structural Fasteners & Site Safety

Eurocode 5 connectors, joist hangers, timber grading (C18/C24), scaffold safety, and circular saw precautions.

How to Pass the Tømrersvendeprøven Exam

What You Need to Know

Passing score: A minimum grade of 02 on the Danish 7-point scale (7-trinsskalaen) in both the case project examination and the practical timber construction test.
Assessment: Under BEK nr. 158/2026 and Byggeriets Uddannelser' June 2026 guide, the svendeprøve is administered in the final fifth main-course period. The case covers research, material and construction selection, cost, time, maintenance and sustainability and supports drawings, quantity takeoff and quality assurance. A separate practical task tests specified wall, floor, roof, cladding and connection skills.
Time limit: Case: 48 lessons. Oral examination: 30 minutes including deliberation. Practical task: 37 hours.
Exam fee: No candidate-paid fee; the training company pays DKK 1,780 (organized in DI/Kooperationen) or DKK 2,815 (unorganized) to Byggeriets Uddannelser.

Keys to Passing

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Tømrersvendeprøven Study Tips from Top Performers

1Master roof pitch trigonometric calculations: Rafter Length = Run ÷ cos(θ), and Rise = Run × tan(θ).

2Learn U-value calculation: U = 1 / (Rsi + Σ(d / λ) + Rse), where d is thickness in meters and λ is thermal conductivity (W/m·K).

3Pay close attention to dampspærre details: overlapping joints by at least 100 mm and sealing with approved age-resistant system tape and butyl sealant.

4Understand timber-rainscreen principles: trace drainage, ventilation, flashings and the inner weather layer, then apply the selected system's cavity and opening details.

Frequently Asked Questions

Is the Tømrer Svendeprøve a written multiple-choice test?

No. The official Danish journeyman test consists of a case-based theoretical project (drawings, calculations, work plan) and a multi-day practical timber construction task evaluated by two skuemestre. This bank is an English-language MCQ study adaptation.

What airtightness standard does BR18 mandate for new Danish buildings?

Under Building Regulations BR18, the air leakage through the building envelope must not exceed 1.0 l/s per m² of heated floor area when tested at a pressure difference of 50 Pa.

Where must the vapor barrier (dampspærre) be placed in an exterior wall or roof?

The vapor barrier must be positioned on the warm (interior) side of the insulation layer. Danish guidelines allow up to one-third (max 1/3) of the total insulation to be placed on the warm side of the vapor barrier for service conduit space, provided the outer 2/3 prevents condensation.

What timber strength class is standard for load-bearing structural members in Denmark?

Machine or visually strength-graded Nordic softwood conforming to class C24 (or C18 for secondary framing) under European standard DS/EN 338.

What are the passing criteria for the Tømrersvendeprøve?

The candidate must receive at least grade 02 on the Danish 7-point scale in both the case-based theoretical project and the practical construction test to be awarded the Svendebrev.