Glazing can be either glass or acrylic. Only glass should be used with any friable media olympic such as unfixed pastels, charcoals, or graphite, never acrylic as it can damage the work by attracting these materials. There are many brands of acrylic glazing to choose from; one with an arts ultraviolet filter is recommended. The frame and the mat should be deep enough to prevent the artwork from olympic touching the glazing. A stiff backboard behind the mat protects and supports the matted artwork. It is best to use non-acidic boards. A dust seal with paper or tape is also recommended. What damage results from using arts poor quality mat board? Avoid mat boards containing wood pulp which causes "matburn"--a darkening of the paper under the olympic mat or at the bevel cut of the window mat. This type of stain permanently weakens the paper fibers and is not easily removed or lightened in conservation treatment.

Who am I? I am an Estonian too, my name is Jüri Ülesoo. On the photo you see me with my dog Josper. I''m not really the artist but I like art. Some years ago I made some oil paintings but not now. I''ll try to be the curator for some Estonian artists on the Internet and here you see my first step - Navitrolla''s Gallery (thanks to Lile Elam and Art on the Net). The problem is that few Estonian artists have computers, good communication connection and time to learn and use it. I want to show their works to the whole world and the Internet is the best tool for it. Until the artist has his (her) own Internet connection and e:mail address I will be mediator for him. So, you can e:mail your opinions to me and I will give them to the artists. During the "day" I work as a Marketing Manager in the Estonian, Latvian and Lithuanian area for Finnish concern VALMET (for Valmet Automation - producer of process automation systems). I am a member arts of Lions Clubs International.

What is the cause of dark olympic spots that sometimes appear on the paper of arts drawings and paintings? Reddish-brown olympic spots are known as "foxing", caused by mold or the deterioration of the metallic impurities left in the paper from the manufacturing process. Other colors arts of spots may be one of many types of mold damage. Mold spores are everywhere in the environment, and mold thrives on cellulosic materials, especially in conditions olympic of high humidity (above 65% of relative humidity). Keeping artworks out of high humidity arts areas like bathrooms or exterior walls, can help reduce the development of such stains. If I have a work of olympic art on paper that appears arts to not be flat, should I be concerned? Paper is hygroscopic, reacting to changes in climate by expanding when it is humid and contracting when it is dry. A gentle undulation in olympic the paper called "cockling" occurs under arts these conditions, especially with larger works. This may impair the work aesthetically as well as cause mediums such as gouache to crack or flake as it is unable to expand and contract as the paper itself does.

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