Daler Rowney Mount Board is 1400 Micron (1.4mm) thick of which comes in multiple packs. They are used for framing, presentations and display. The mounting board comprises of three basic components, the surface paper, core and backing paper. The core and the backing papers contain alkaline fillers to enhance their useful lifespan by minimising the affect of atmospheric pollutants. The boards are ph neutral and clean bevel cut as standard. Double-sided Mount board also available. Cheapest online Guaranteed Colour Warning: There will be differences in tone due to the way your computer monitor displays. Please note: We do our absolute best to ensure that all Mount board is packaged well for transit but because this is a fragile product slight damage may occur on edges and corners upon delivery.