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May 10, 2021 · * The proper pH: The acidity of the substrate will affect the germination, color, and growth of mold spores. Depending on the species of mold, the ideal pH for germination and growth is between 4pH and 7pH. However, mold can develop anywhere between 2pH and 9. Washing or deacidification will not hinder mold growth.
Mar 31, 2024 · Upon discovering mold or mildew, prompt action can prevent further damage. Remove the affected items to a dry, well-ventilated area. Spread them on clean surfaces, avoiding direct fan air, which can harm weakened fibers. For individual pieces, a low-heat hairdryer might suffice. Never resort to ovens or microwaves, as these can cause ...
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- CCI Technical Bulletins
- Abstract
- Authors
- Table of Contents
- Introduction
- Mould Prevention
- Collection Recovery
- Conclusion
- Acknowledgements
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Technical Bulletins are published at intervals by the Canadian Conservation Institute (CCI) in Ottawa as a means of disseminating information on current techniques and principles of conservation of use to curators and conservators of Canada's cultural objects and collection care professionals worldwide. The authors welcome comments.
Mould infestation in heritage collections can damage objects and may pose a health risk to individuals who work with these collections. This Technical Bulletin presents information on mould morphology, prevention of mould growth, actions to take should mould occur and health effects relating to mould exposure. It informs the reader on how to remove...
Sherry Guild graduated from the Art Conservation Techniques program at Sir Sandford Fleming College, now Fleming College (Peterborough, Ontario). In 1984, she started at CCI as a conservator in the paper laboratory, specializing in the conservation of works of art on paper. During her career, she assisted many clients on the recovery of mould-conta...
This Technical Bulletin provides general information for the archive, library, museum and gallery community regarding fungalEnd Note 1(or mould) infestation in heritage collections. It presents information on fungi morphology, prevention of fungal growth, actions to take should fungal growth occur and health effects connected to mould exposure. It ...
1.1 Mould
The nature of fungi, how they grow, under what conditions, the viability of mould spores and triggers of activation are discussed in this section. Although mould remediation in buildings is not addressed in this Technical Bulletin, mould, or conditions conducive to its growth in buildings, presents a risk to the collection. For this reason, the Bulletin presents techniques for the detection of mould spores and the level of mould spores likely to be found in indoor environments, as well as a c...
1.2 How to prevent mould growth in the collection
Because mould spores are everywhere in the air, it is impossible to completely eliminate them from a building, a collection and storage or exhibition areas. They circulate in the air, moving with the air currents, some falling on the surface of objects, floors, walls, ceilings and furnishings. They drift indoors through the air-handling system, open doors or windows and drop off people and materials coming into the building. The most effective strategy to prevent damage to objects and to prev...
1.3 Mould outbreak — the first steps
The following information outlines a general course of action to deal with a mould infestation in a heritage collection—be it an archive, library, museum or gallery. It is intended as a guide to help with immediate decisions and first steps to control the infestation and to protect people and the collection. The information is appropriate for small (1 m2 or less of visible mould) to medium-sized (1 to 4 m2 of visible mould) outbreaks of mould. However, if the mould growth is large (4 to 10 m2...
This section informs the reader on how to remove mould growth from objects. It also describes the appropriate PPE to wear when working in a mould-contaminated environment or when working with mouldy objects. Before beginning a collection recovery, follow the guidelines in section 1.3 Mould outbreak — the first steps, which outlines a general course...
Mould is a serious health concern and every effort should be made to limit human exposure to it. Actions to prevent mould infestation in heritage collections should primarily focus on measures to control the environment. In the event of a mould outbreak, the conscientious removal of visible mould growth and reduction of the total amount of spores f...
The authors would like to thank the following individuals for generously giving their time to review the manuscript and offer advice: 1. Dr. Cavaliere, Professor of Biology, Biology Department, Gettysburg College, Gettysburg, Pennsylvania; 2. Diana Hobart Dicus, Objects Conservator, private practice, Boise, Idaho; 3. Mary-Lou Florian, Research Asso...
Note: The following information is provided only to assist the reader. Inclusion of a company in this list does not in any way imply endorsement by CCI. Other companies may exist that offer similar products.
Nov 9, 2012 · Surfaces (other than art) can be treated with a 10% solution chlorine bleach (one cup of bleach (e.g. Clorox) to one gallon of water). For mold on the actual artwork, the reverse surface can be lightly misted with 70% alcohol in water. Commercial rubbing alcohol is perfect for this as it normally comes already diluted to 70%.
Greg: When artwork is damaged by water, the primary focus is addressing the cause of the water leak and restoring the damaged items. Looking for eventual mold ingress into the walls is not always a top priority. However, it’s important to make sure that the walls surrounding the water leak do not have moisture as this could lead to mold ...
Identify any areas of heavy mold growth. Take a microfiber cloth, fold it into quarters, and moisten it with a small amount of water. Pick up the cloth and gently wipe the surface of the artwork, starting at the edges and working inward. Use a circular motion to avoid spreading the mold further.
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Nov 20, 2020 · Minimising mould risk for artworks. Mould can arise on artworks in numerous ways, whether they are oil paintings, acrylic paintings, watercolours or other works on paper. It is more common during the autumn and winter months due to the greater fluctuations in temperature and humidity. Additionally, it can be triggered when there is a reduction ...
