US: Albér Gypsum has developed an adhesive gypsum-based plaster ‘board’ product that can be used in place of traditional gypsum wallboard. Using the new process gypsum powder is first mixed with water into a mixture lightweight cement sprayer. The company has also designed a special spray gun for this purpose. The plaster is then sprayed onto the wall construction or/and insulation, evened out and left to dry for up to six hours. A patent is currently pending for the new method.
The developer says that the gypsum-based plaster product eliminates air pockets in a wall, covers electrical wires and tubes thereby reducing fire risk and is stronger than traditional wallboard. It takes half the installation time of regular wallboard and does not require fittings such as bolts or nails. The company says that the sprayable plaster creates less waste, is easily recyclable and does not use paper. Not using paper also prevents any cases of black mould. The gypsum mix used can be modified to create a harder or softer surface depending on the desired room acoustics.
