Derivan chalkboard paint is an easy to apply, water-based, quality blackboard paint that converts wood, metal or most other surfaces into a blackboard / chalkboard. It is also perfect for giving existing blackboards a new lease of life. Derivan chalkboard paint contains no harmful solvents and is suitable for use all around the home. It can be especially useful for artistically-minded infants who find textas and furniture an attractive combination! Preparation: derivan chalkboard paint works on any surface that would normally be suitable for water-based acrylics including glass, plastic and wood. All surfaces must be dust-free and clean. If any cracks are present, ensure they are filled and sanded. The smoother the surface, the smoother your chalkboard will be. Although it most surfaces will not require priming, if you do use a primer, see the surface preparation page of the techniques section for details. Application: this product can be applied with a dry soft bristled or foam brush. Although the consistency of the product is thick, be sure to apply thin coats to avoid excessive brush marks. If a very smooth surface is required the use of a foam paint roller is recommended. Two to three coats are recommended for complete, opaque coverage. Allow paint to dry at least 8 hours between coats for optimal coverage and durability. Be sure to wait at least 48 hours before using chalk on the surface to ensure the product is thoroughly dry. This product is not suitable for mixing with derivan mediums as its chalkboard qualities may be compromised. Finish: the final finish will be matte with a slightly gritty textured surface. This is due to the nature of the product. Clean up: clean all brushes and spills in warm soapy water. Chalkboard use: regular chalk works well with this product. If you would like to create finer lines and details, dry pastel pencils are also suitable. Surface cleaning: a light rub with a damp cloth is recommended to clean the surface and remove any chalk, and also minimises the amount...