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About Art-Decor

Randolph Algera has been working as a restorer since 1991 and since 1994 as a restorer / owner of Art Decor.
• restoration
• conservation
• color research
• painted historic interior spaces
• painted objects, mourning signs
• restoration of paintings
• advice
• reports
• documentation


Art-Decor has more than 25 years of experience in restoration and conservation. The company deals with painted (historical) interior spaces and painted objects, from the 17th - 20th century. This concerns the (preventive) conservation and restoration of (decorative) finishes and wall- and ceiling paintings. Archival research is also carried out. The color examination takes place in situ and is accurately documented.

Art-Decor represents different disciplines. Randolph Algera holds the Master's degree in three specializations: painting, wall covering and brush techniques. He is a recognized conservator and affiliated with RN (Restauratoren Nederland) and the ARA (Art Restorers Association). He regularly follows (universal) studies to keep his professional knowledge and skills up to date.




















Art-Decor works with a team of specialists that is structurally involved in activities, training and developments at home and abroad. Our strength is that we are excellently trained in craftsmanship and have years of experience. We have a responsible vision of restoration and conservation.


Art-Decor Randolph Algera regularly wins awards and nominations. The r.-k. church in Oldemarkt (Overijssel) and the Reformed Church in Raerd (Friesland) receive an honorable mention. In 2013 Art-Decor won the National Painters' Award. And also the 1st prize in the category restoration / decoration for the Jugendstil villa RamsWoerthe project in Steenwijk. The jury states that it is impressed by the craftsmanship and the level at which this restoration has been carried out and that such is rarely achieved in the Netherlands. The result is a total project, everything is coordinated with complete respect for the original background.


The aim is to sustainably preserve cultural heritage. We strive to minimize damage and deterioration. This also includes the prevention of loss of important knowledge about the cultural objects.

Before a project starts, we make a choice together with the client from the options for recovery, what the intention is and the intensity thereof.
It comprises a variety of activities that can be subdivided into:

Preventive conservation or passive conservation provides the right conditions for conservation. It slows down decay by adjusting external environmental factors (relative humidity, incident light, insect traps, etc.)

Active conservation slows down decay and makes the object less vulnerable and more presentable. Actual action is taken in the condition of the object. This can be done by removing dirt, dust, securing loose parts, supporting weakened parts and combating fungus or insect infestation. Documentation and condition recording can also belong to the active preservation handling.

Restoration aims to return the object to a "new" state, which it had previously in history and which has been predetermined. This can be done by replenishing and adding lost parts, replacing parts or removing old restorations. In all cases, the conservator takes the authenticity of the object into account
material area - respecting the original material
conceptual area - with the intention of the artist / maker
contextual / functional area - with return the object to its original context
historical area - if the work as an object is more important than the aesthetic experience, traces of use may then remain visible, for example.

Motivation for the choice is important, taking into account the professional ethics (code of ethics) for restoration. We communicate clearly about our education, work experience, completed projects, memberships of professional organizations such as RN (Restorers Netherlands) and ARA (Art Restorers Association). We are happy to advise you on the best way to store, exhibit and maintain your object. Feel free to ask for a quotation, it is also clear.


Each (monumental) building has its own color history, both for the exterior and the interior. The color history, together with the architectural aspect, determines the total historical appearance. The quality of the use of color and materials contributes to the quality of the building.
The research into the colors in combination with the materials in different periods lead to a well-considered restoration plan.
Color historical research does not automatically lead to restoration, conservation or reconstruction. One can also consciously choose new colors or decorations. Good research into the colored parts, especially in conjunction with other materials and finishes, is important. Correct documentation is a source of information for possible later restorations. The historical layering and appearance of the building are thus preserved.
In addition to performing stratigraphic research (making color steps) in situ, in which the paint layers / finishing layers are scraped away in small areas next to each other with a scalpel, it is sometimes necessary to have a laboratory test carried out. Taking paint samples and examining paint cross-sections precedes this. Microscope photography often provides better insight into the structure of the paint layers. The research results are then related to the findings (stratigraphies) in situ and linked to the building history and archival research. In some situations it is necessary to work interdisciplinary, whereby the research is extended to all types of finishing layers of the building, such as the types of stone used, plaster, wallpaper, paneling, floor finishing.
Finally, the report follows, which leads to final advice and considerations for the restoration. In a complex investigation, there is good consultation between all parties involved and (government) agencies.
You will find our work with business clients, but also with private individuals.

RESTORATION OF PAINTINGS involves cleaning, restoration and applying canvas.
Art-Decor has years of experience in the restoration of paintings, large and small.

LECTURES - Algera regularly gives professional lectures.

To stimulate the quality and continuity of the craftsmanship, Randolph Algera founded the World Art Traditions organization together with Evan Wilson, a renowned colleague from the USA. Internationally talented professionals with different backgrounds and specialisms in the field of restoration, murals and trompe-l'oeil are affiliated to this group. They join forces to carry out larger projects all over the world. Their work can be seen from Los Angeles to Oslo, from Tokyo to New York. Algera also leads projects with them in the Netherlands, such as the restoration of historic interiors of the Jugendstil villa RamsWoerthe in Steenwijk, the neo-gothic Basilica of Saint Lambert in Hengelo, the Saint Pancratius Church in Geesteren and the Saint George Church in Oosterbierum in Friesland.