![]() According to a study run by Michael Oehler, a professor at the University of Cologne, Germany, humans are "predisposed to detest" the sound of nails on a blackboard. ![]() The scratching of fingernails on a blackboard, as well as other pointed, especially metal objects against blackboards, produces a sound that is well known for being extremely irritating to most people. Ghosting occurs when old coloured chalk, pastels or chalkpen ink absorbs into the black finish of the board, making it impossible to remove. Chalk sticks shrink through use, and are notorious for breaking in half unless inserted in a writing utensil designed for chalk. The writing on blackboards is difficult to read in the dark. The dust also precludes the use of chalk in areas shared with dust-sensitive equipment such as computers. Some people find this uncomfortable or may be allergic to it, and according to the American Academy of Allergy, Asthma and Immunology (AAAAI), there are links between chalk dust and allergy and asthma problems. On the other hand, chalk produces dust, the amount depending on the quality of chalk used. Chalk is mostly biodegradable, whereas most plastic recyclers will not take whiteboard markers.Chalk can be easily removed from most clothing whiteboard markers often permanently stain fabric, wood (wood frame), etc.Chalk can be easily erased writing which has been left on a whiteboard for a prolonged period may require a solvent to remove.Chalk writing often provides better contrast than whiteboard markers.Chalk has a mild smell, whereas whiteboard markers often have a pungent odour.Dashed lines can be drawn very quickly using a technique involving the friction of the chalk (or chalk marker) and blackboard.It is easier to draw lines of different weights and thicknesses with chalk than with whiteboard markers.Chalk is an order of magnitude cheaper than whiteboard markers for a comparable amount of writing.Chalk requires no special care whiteboard markers must be capped or else they will dry out.Chalk sticks containing calcium carbonate typically contain 40–60% of CaCO 3 ( calcite).Īs compared to whiteboards, blackboards still have a variety of advantages: White chalk sticks are made mainly from calcium carbonate derived from mineral chalk rock or limestone, while coloured or pastel chalks are made from calcium sulphate in its dihydrate form, CaSO 4♲H 2O, derived from gypsum. Sticks of processed "chalk" are produced especially for use with blackboards in white and also in various colours. Because even though we might not be right down the street from you, we are the best in the business.Cardboard box of chalk sticks, made in GDR, currently at the MEK Props are given to the sponsor and there is lots of room for writing in daily specials.Ĭontact Dave today for an estimate and more information on what our amazing chalkboard artists can do for you. These great chalkboards, commissioned by the Pepsi Rep for their client, highlight the establishment. Here is great example of what you get with CIUS. This is your business represented out in the world. But please make sure the quality is high. Maybe your establishment has an in-house artists who can create chalkboard signage for you. These products can include beers, ice cream, pub specials, hair and nail salon special offers, wedding signage, not for profit activities, special events, daily specials and so much more. Signs say a lot about the quality of the product you offer your clients. ![]() Your signs represent your business, establishment or event. Chalk It Up Signs offers you high quality, custom chalkboard art no matter where you are in the world. However, you want to make sure that when you ask the question “Is there a chalkboard artist near me?”, the chalkboard art you find is of very high quality. Chalkboard art is timeless and clear signage for any type of business. Do you ask yourself “Is there a chalkboard artist near me?” This is a popular question out there in the inter webs these days.
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