Course: Inpainting & Loss Compensation on Paper (1rst edition)

Escoda brushes supports this course Golden Artist Colors Premià de Mar (Barcelona, SPAIN)

Can you match the colour but not the surface texture? Can you match the surface sheen but not the colour? Do you struggle with both? Do you never know what dyes to use? If you want to acquire a wider range of inpainting techniques, this is your course. Held by knowledgeable professionals, it goes deeper into the tools, materials, techniques and tricks. The goal is to infill and in-paint the most challenging losses with confidence and success.

Solka-Floc (microcristalline cellulose powder) Matting agents, acrylic gels and paint the class Casted texture of a cloth binding  Toning powdered cellulose for stain removal Handmade leafcasting paper pulps, matching colour Mould casting textures of a leather binding handmade leafcasting paper pulps, matching colour Toning powdered cellulose for stain removal

    • VENUE: The workshop will be held in the conservation laboratory:
      C. Sant Pere, 24. 08330 – Premià de Mar (Barcelona, SPAIN).
      Contact person: Rita Udina;; +34 649 694 899
    • CERTIFICATE: A certificate of attendance will be given after completing at least 80% of the course workload.
    • LANGUAGE: English and Spanish (two separate editions).
    • TEACHERS: Amparo Escolano, Rita Udina.
    • DATES: 3 consecutive days, 20 hours duration. Next edition planned for June 2021.
      Precisely on June 23rd takes place one of the biggest festivities in the mediterranenan Spanish coast “Sant Joan“. Fireworks and fire parties are celebrated on the beach during those days, it is one of the best moments to come!
    • TARGET AUDIENCE: Tailored for Paper Conservators with emphasis on those working in the private practice area or conservation studios where inpainting is very much demanded. International character of the course is encouraged.
    • NUMBER OF PARTICIPANTS: 10 participants (maximum).
    • FEE: — € (funding for this course should be asked to non profit institutions, and not to the course organizer).
    • APPLICATION FORM: SUBSCRIPTIONS OPEN. Please send an e-mail to
    • ACCOMMODATION AND TRANSPORT: Find here all information regarding accommodation and transport.
    • Previous editions:

Workshop Inpainting & Loss Compensation on Paper ConservationInpainting & Loss Compensation on Paper Conservation (Barcelona 2019)Inpainting Course in Granada (2018)paper conservators, teachers and participants to the inpainting courseInstitut National du Patrimoine. Course "Inpainting & Loss Compensation on Paper Conservation" 2017Inpainting on paper conservatio course, AmsterdamFirst edition (2016)

Course reviews: The Icon Book & Paper Group blog, January 2019 (by Sophie Sarkodie);  AICCM National Newsletter No 141, March 2018 (by Katie Wood); Hungarian National Archive – Aarchív Magyar Nemzeti Levéltár, December 2017 (by Agnes Nemes); Gevolgd: Workshop Infilling And Inpainting, November 2017 (by Eliza Jacobi).

CONTENTS of the course:

Infilling and Inpainting techniques:
– Infilling and Inpainting.
– Paper pulp (and leafcasting).
– Powdered micro-cellulose: gap filler, sprayed films and paper sheets, tampered and drops for covering stains.
– Mould casting for textures (acrylic and cellulose based)
– Parchment infilling
– Japanese paper mendings… are they suitable for all sort of paper infills?

Suitability of powdered cellulose:
– Ageing tests
– Conclusions

Materials and tools:
– Brushes: types and care
– Artists colours vs designers colours.
– Modifying paint, water and other tips and tricks.
– New products and materials.

-Colour temperature.
-CRI: Chromatic Reproduction Index.

Colour theory:
– History (origin, dye/pigment based, chemical properties, solubility, reversibility…)
– Munsell, Farnswort-Munsell test.
– CIE lab colour space.
– Matching colour.

Dyes and colourants:
– Classification (origin, dye/pigment based, chemical properties, solubility, reversibility…)
– Natural and synthetic.
– Ionic, reactive and direct/substantive dyes.
– Fixatives.

Inpainting techniques/criteria:
– Abstention.
– Neutral colour.
– Aqua sporca.
– Low level.
– Pointillism.
– Tratteggio (Rigatino, chromatic selection, chromatic abstraction).
– Mimetic, deceptive or invisible.

Inpainting discolourations and “unpainting”

Criteria and ethics of Inpainting
– Study cases and examples. Controversial inpaintings.

Digital technology
– Digital retouching.
– Use of inkjet printers for digital inpainting.

– Filling losses and fillers: powdered cellulose, paper pulp, Japanese paper.
– Modifying the appearance and texture of the surface (japanese paper).
– Casting composites for specific surfaces: use of silicone mold to reproduce leather, cloth, laid paper and other surfaces.
– Parchment infilling with japanese paper and toning to match colour and sheen.
– Paper pulp: leaf-casting/”manual”. Matching color with hand-made coloured paper pulps, commercial pulps.
-Dyeing paper.
– Inpainting media and toning systems: synthetic resins, watercolor/gouache, pencils/pastels, dry pigments, dyes and other colouring agents.
– Modifiers: glossing, matting, polishing agents.
– Chromatic circle.
– Discussion on tools.

Inpainting and Loss Compensation on Paper Conservation


1st day: Loss compensation: filling.

  • 9:00    – 10:30     Welcome and introduction to the course (handouts, conservation lab, tools…).
    Filling: Ethics and Criteria. Colour matching with micro & macro cellulose pulp.
  • 10:30  – 10:50     Coffee break.
  • 10:50  – 13:00      Filling: Materials and techniques. Samples preparation practice.
  • 13:00  – 14:00      Lunch break.
  • 14:00  – 17:00      Filling workshop with cellulose.

2nd day: Loss compensation: inpainting.

  • 9:00    – 10:30     Inpainting: Ethics and Criteria. Pigments & dyes (types, techniques).
  • 10:30  – 10:50     Coffee break.
  • 10:50  – 13:00     Inpainting: Samples practice.
  • 13:00  – 14:00     Lunch break.
  • 14:00  – 17:00     Inpainting workshop

3rd day:  Practice.

  • 9:00    – 10:30     Practice on originals with prepared samples.
  • 10:30  – 10:50     Coffee break.
  • 10:50  – 13:00     workshop.
  • 13:00  – 14:00     Lunch break.
  • 14:00  – 16:00     Inpainting workshop

Although both tools and practising samples/documents will be supplied at the workshops, participants are welcome to bring their own tools, in case they want to achieve a much similar experience to their workspace.
Participants are also encouraged to bring samples and/or documents* they would like to practice with.

*  The practice will be guided and supervised, but the exercises on original documents will be under the participants’ responsibility.

MEDICAL ASSISTANCE: Do not forget to bring your sanitary/medical card if you are coming from an European Union country. You will receive medical assistance easily, if ever you were in need.
It is recommended to hire a private medical insurance for your journey if coming from other countries not belonging to the UE.

Your place in the course is only guaranteed when you pay the fee of the course,  otherwise your place is not saved.
Once your place is confirmed, and in case you need to cancel, the fee will be refunded only in the case that there is another participant in the waiting list that matches the targeted audience and is ready to join the course. The bank charges of the refund will be on behalf of the participant that leaves his/her place free.
Anyhow, 45 days before the course the fee will  be refunded only 75% due to secretary duplicities and urgency in submitting a new participant. The fee for the new participant remains the same.
In case the course is cancelled, the participants will be offered other dates to do it, or they will be given back the full fee. The organisation will not refund any accommodation, travel or other expenses related to the course in any case. The course can be cancelled if there is not enough participants.

  • The fee will be refunded whenever a participant in the waiting list and mathcing the targeted audience is available (bank transfer costs on behalf of the participant that quits).
  • 45 days befores the course, in case of cancelation with posibility to find a new available participant, the refund will be 75% of the full fee (bank costs not included).
  • No refund will be possible if no other participant on the waiting list is available.
  • No accommodation, travel or other expenses will be refunded to the participants in case the course is cancelled.

Related content:

Posters Conservation: Virtual inpaint vs virtuous inpaint. The diplomatic neutral colorRetouching: a taboo in paper conservation?Conservation of a school map poster from the Spanish civil war periodThe value of thingsSFLAC postDürer: From old Europe to Palm Beach

Leave A Comment

Filter post by: