Postgraduate DiplomaRestoration & Classics Applications open

Diploma in Finishes: Stains, Shellac and Varnishes

Online postgraduate diploma of 800 hours in wood finishes: stains, shellac and varnishes. 8 modules covering wood and its finish, stains and dyes, shellac and French polishing, traditional and modern varnishes, preparation and grain filling, application and polishing, and conservation criteria, with an assigned technical tutor.

Duration6–8 months
ModeOnline
LanguageEnglish
Start datesSet by the faculty
AwardSEIUM Institute diploma

Diploma in Finishes: Stains, Shellac and Varnishes — studying from Ireland

Ireland has an active heritage vehicle and classic machinery community, supported by clubs, restoration workshops and specialist suppliers serving classic cars, motorcycles and agricultural equipment. Engineering skills in this area combine historical knowledge with modern techniques in fabrication, materials and diagnostics. Restoration work is often linked to heritage conservation and museum collections, and classic vehicles operate under national roadworthiness and vehicle registration rules. Professional bodies and enthusiast organisations help maintain standards and knowledge across the sector.

Fees for Ireland: €895 (Euro), with instalments and employer sponsorship available.

Relevant bodies in Ireland

  • National Car Testing Service (NCTS)
  • Irish Vintage Car and Motorcycle Club
  • Heritage Council
  • Engineers Ireland

Typical roles

  • Restoration Engineer
  • Classic Vehicle Technician
  • Heritage Vehicle Specialist
  • Vehicle Conservation Engineer

Questions from Ireland

Is there a recognised professional body in Ireland for classic vehicle restoration?

Classic vehicle restoration in Ireland is largely a craft and hobby sector, supported by enthusiast clubs and heritage bodies rather than a regulated professional title. SEIUM's qualifications are private and not accredited by any national body, so they do not confer membership or formal recognition. Check the requirements of any club or body you wish to join.

Would Irish restoration businesses or employers value this qualification?

Restoration businesses in Ireland often rely on hands-on skill, reputation and portfolio work. A private online qualification may add to your CV, but employers decide for themselves whether it is relevant. Your final project can help show your capability, though there is no guarantee of any outcome.

Can I study this part-time while keeping my current commitments?

Yes, the programme is 100% online and taught in English, so you can study from home around existing commitments. Durations are 300, 800 or 1,900 hours depending on the course, so plan your schedule accordingly. Fees can be paid in instalments, and each student has an assigned technical tutor.

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Learning outcomes

What you will be able to do

01

Understand the relationship between wood and its finish.

02

Apply stains and dyes with accurate colour.

03

Master French polishing with shellac.

04

Select traditional and modern varnishes.

05

Prepare surfaces and fill the grain correctly.

06

Apply and polish high-quality finishes.

07

Conserve historical finishes with sound judgement.

Profile

Who it's for

  • Restoration finishers and French polishers.
  • Interior restoration technicians.
  • Cabinetmakers working on classic vehicles.
  • Wooden boat restorers.
  • Furniture conservation technicians.
  • Finishing workshop managers.
  • Engineering or science graduates seeking to enter classic vehicle restoration.
Standards & tools

What you'll work with

  • Directive 2004/42/EC (limits on VOC emissions from paints and varnishes)
  • Royal Decree 227/2006 (Spanish transposition of VOC limits for paints and varnishes)
  • ISO 2813 (measurement of gloss)
  • EN 15898 (conservation of cultural property, main general terms)
  • Regulation (EC) 1907/2006 (REACH) (registration and restriction of chemicals)
  • FIVA Charter of Turin (principles for the use and restoration of historic vehicles)
  • X-Rite Color iMatch
  • Adobe Photoshop
  • Microsoft Excel
  • Agisoft Metashape
Syllabus

8 modules

  1. 1.1Wood anatomy and porosity
  2. 1.2Species used in dashboards and bodywork
  3. 1.3Veneers and marquetry
  4. 1.4Moisture content and stability
  5. 1.5Wood–finish interaction
  6. 1.6History of wood finishes
  7. 1.7Finishes in cars, boats and furniture
  8. 1.8Diagnosis of the existing finish
  9. 1.9The finisher's tools
  10. 1.10Workshop: identification of species and finishes
  1. 2.1Water-, spirit- and oil-based stains
  2. 2.2Aniline and metal-complex dyes
  3. 2.3Chemical stains: walnut stain and historical bichromates
  4. 2.4Pigments and glazes
  5. 2.5Colour matching in repairs
  6. 2.6Staining new veneers
  7. 2.7Colour tests on samples
  8. 2.8Lightfastness
  9. 2.9Errors and corrections
  10. 2.10Practical: stain matching on a walnut veneer
  1. 3.1Origin and production of shellac
  2. 3.2Types: blonde, orange, dewaxed
  3. 3.3Preparing solutions
  4. 3.4French polishing with a rubber
  5. 3.5Bodying and spiriting-off technique
  6. 3.6Problems: blooming and marks
  7. 3.7Shellac as a sealer
  8. 3.8Repairing shellac finishes
  9. 3.9Alcohol safety
  10. 3.10Workshop: French polishing a panel
  1. 4.1Oil and natural resin varnishes
  2. 4.2Copal and amber varnishes
  3. 4.3Nitrocellulose varnishes
  4. 4.4Polyurethane varnishes
  5. 4.5Waterborne acrylic varnishes
  6. 4.6Marine varnishes and UV filters
  7. 4.7Compatibility between coats
  8. 4.8Selection by use and period
  9. 4.9VOC regulations for varnishes
  10. 4.10Practical: comparison of varnishes on test pieces
  1. 5.1Progressive sanding
  2. 5.2Grain raising
  3. 5.3Traditional grain fillers
  4. 5.4Sealers
  5. 5.5Stripping old finishes
  6. 5.6Cleaning and degreasing
  7. 5.7Repairing lifted veneers
  8. 5.8Treating stains and burns
  9. 5.9Dust control
  10. 5.10Case study: preparing a burr walnut dashboard
  1. 6.1Brush application
  2. 6.2Spray application
  3. 6.3Coats, thicknesses and drying times
  4. 6.4Sanding between coats
  5. 6.5Polishing with fine abrasives
  6. 6.6Mirror gloss and satin finishes
  7. 6.7Finishing waxes
  8. 6.8Gloss control to ISO 2813
  9. 6.9Defects and their correction
  10. 6.10Workshop: varnishing and polishing a trim moulding
  1. 7.1Ageing of finishes
  2. 7.2Cleaning varnished surfaces
  3. 7.3Consolidation versus replacement
  4. 7.4Reversibility of materials
  5. 7.5Documentation of interventions
  6. 7.6Criteria for historic vehicles
  7. 7.7Exposure to light and humidity
  8. 7.8Preventive maintenance
  9. 7.9Health risks
  10. 7.10Case study: conservation of an original 1930s finish
  1. 8.1Selection of the piece
  2. 8.2Initial diagnosis
  3. 8.3Period research
  4. 8.4Intervention plan
  5. 8.5Stain and varnish tests
  6. 8.6Execution of the finish
  7. 8.7Quality control
  8. 8.8Conclusions
  9. 8.9Report and presentation
  10. 8.10Final project: final review with the tutor
Methodology, software & labs

How you'll learn

100% online training on the SEIUM campus, with downloadable material, recorded classes and an assigned technical tutor. No fixed timetables: you progress at your own pace within each intake, so the programme fits around your job.

Each module combines theory, guided reading of the original standard and applied exercises. The working software is X-Rite Color iMatch, Adobe Photoshop, Microsoft Excel and Agisoft Metashape, in free, academic or evaluation versions. Testing is studied through real procedures for French polishing with shellac, stain matching in veneer repairs and varnishing classic vehicle dashboards. Assessment is continuous by module, plus the final project.

Standards covered: Directive 2004/42/EC, Royal Decree 227/2006, ISO 2813, EN 15898, Regulation (EC) 1907/2006 (REACH), FIVA Charter of Turin.

Assigned technical tutor:every module ends with a deliverable that your tutor marks individually.
Standards-based learning:guided reading of Directive 2004/42/EC, Royal Decree 227/2006 and ISO 2813 applied to real cases, not as a theoretical annex.
Industry software:X-Rite Color iMatch, Adobe Photoshop, Microsoft Excel and Agisoft Metashape, in free, academic or evaluation versions.
Final project:A complete finishing project on a selected wooden piece, reviewed by your tutor.
Flexible format:100% online, no fixed timetables, compatible with full-time work.
Capstone project

Build it end to end

Your final project follows the real engineering workflow, step by step, reviewed by your tutor.

Piece and diagnosis
Select the piece and carry out the initial diagnosis.
Period research
Research the original finish of the period.
Intervention plan
Define the intervention plan and run stain and varnish tests.
Execution and quality
Apply the finish and carry out quality control.
Final project
Conclusions and project report, reviewed by your tutor.
Career opportunities

Where this takes you

Restoration finisherInterior restoration technicianClassic vehicle cabinetmakerWooden boat restorerFurniture conservation technicianFinishing workshop manager
Admissions & scholarships

Requirements

  • Prior technical training or professional experience in the sector. No university degree is required.
  • An internet connection and a computer capable of running the programme software.
  • English sufficient to read technical standards.

Ready to start?

Send your application today. Our admissions team replies within 72 hours with your study plan and funding options.

FAQ

Frequently asked questions

The programme totals 800 hours over 6–8 months. You set your own pace within each intake, and your tutor helps you plan the workload around your job.

You work with X-Rite Color iMatch, Adobe Photoshop, Microsoft Excel and Agisoft Metashape, using free, academic or evaluation versions. Your tutor indicates the free alternative wherever one exists.

A SEIUM Institute diploma, awarded on passing the continuous assessment and the final project. It is SEIUM's own qualification, not an official state degree; its recognition depends on the programme completed and the regulations of each country.

Yes. Modules passed are recognised in a higher programme in the same area (postgraduate diploma or master's). Ask about the recognition policy when you enrol.

Prior technical training or professional experience in the sector (no university degree required), a computer able to run the software and English sufficient to read technical standards.

Start dates are set by SEIUM's faculty for each intake. Our admissions team will confirm the next available date when you apply.

Diploma in Finishes: Stains, Shellac and VarnishesEnrol
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