Conservation and Restoration IV

Conservation and Restoration
5 ECTS; 2º Ano, 2º Semestre, 15,0 T + 60,0 PL + 3,0 OT

Lecturer
- Ana Patrícia Bidarra dos Santos Lourenço

Prerequisites
Not applicable.

Objectives
1) Acquire theoretical and practical knowledge on the technical features of the production of a polychrome sculpture, its historical evolution and materials applied.
2) Causes and effects of degradation in polychrome wood sculpture.
3) Materials and methods for conservation of polychrome sculpture.
4) Conform methodologies and materials with the ethical principles of the Conservator-restorer profession.
5) To promote the interdisciplinary exchange between Conservation and Restoration and other areas such as Photography, Chemistry, History, Art History, Decorative Arts, etc.
6) Allowing the student to carry a conservation and restoration intervention in a methodological, ethical and scientific level.

Program
Theoretical classes.
I. Introduction.
1. Conservation and restoration: evolution and definition.
2. Ethics and fundamental principles.

II. Intervention.
1. General and specific methodology.
2. Examination methods.
2.1. Area and local.
2.2. Destructive and non-destructive.
2.3. Qualitative and quantitative.
2.4. Criteria for the method selection.

III. Support.
1. Wooden supports.
2. Most common wood species applied in sculpture.
3. Preparation.
4. Techniques.
5. Causes and effects of degradation.

IV. Decoration techniques.
1. Historical context.
2. Stratigraphy.
3. Materials and techniques.
4. Decoration:
4.1. Gilding, estofado, punctured, sgrafitto, applications, incrustations.
4.2. God substitute materials.
5. Causes and effects of degradation.

V. Polychromy, re-polychromy and overpaint.
1. Concept.
2. Removal of overpaints.
3. Methodology.

VI. Desinfestation.
1. Concept.
2. Products specification.
3. Methodology.

VII. Consolidation.
1. Concept.
2. Products specification.
3. Methodology.

VIII. Fixation.
1. Concept.
2. Products specification.
3. Methodology.

IX. Cleaning.
1. Concept.
2. Mechanical and solvent cleaning.
3. Solvents/reagents.
3.1. Protocols.
3.2. Solubility triangle.
3.3. Solvent specifications.
3.4. Solvents and solvent mixtures.
4. Methodology.

X. Fillings (decoration).
1. Concept.
2. Products specification.
3. Methodology.

XI. Volumetric reconstitution (support).
1. Concept.
2. Products specification.
3. Methodology.

XII. Retouching.
1. Concept.
2. Products specification.
3. Methodology.

XIII. Protective layer.
1. Concept.
2. Products specification.
3. Methodology.

XIV.
1. Presentation of the work developed in the practical classes.


Practical classes.
I. Documentation.
1. Charts and technical report.
2. Graphic record.
3. Photographic record.

II. Preliminary analysis.
1. State of preservation.
2. Methodology of intervention.
3. Examination methods.

III.
Writing and discussion of the conservation and restoration proposals.

IV. Desinfestation.

V. Consolidation.

VI. Fixation.

VII. Cleaning.

VIII. Fillings (decoration).

IX. Volumetric reconstitution (support).

X. Retouching.

XI. Protective layer.

Evaluation Methodology
Final mark: practical performance+ technical report (50%) + written test (40%) + Presentation (10%)

Note:
Minimum grade of 10, for the following components: Practical performance; Technical report; Written test.

Bibliography
- Calvo, A. (2003). Conservación y Restauración - Materiales técnicas y procedimientos ? De la A a la Z. Madrid: Ediciones del Serbal
- Martinez, E. (1997). Tratado del dorado, plateado y su policromia. Tecnología, conservación y restauración. Valência: Departamento de Conservación y Restauración de Bienes Culturales, Universidad Politécnica Valência
- Tonini, F. (2015). La scultura lignea, tecniche e restauro. Manuale per allievi restauratori. Italia: Il Prato
- Vários autores, V. (2004). Policromia ? A escultura policromada religiosa dos séculos XVII e XVIII. Estudo comparativo das técnicas, alterações e conservação em Portugal, Espanha e Bélgica. Portugal: Instituto Português de Conservação e Restauro

Method of interaction
Practical and theoritacal lectures, work presentation and tutorials.

Software used in class