What is the best method of maintaining plaster flat boxes ?
The Plasterers flat box is a very widely used and productive accessory, found in most drywall plasterers tool kits. Due to the fact that their is little to no printed information to be found in regards to the correct adjustment and maintenance of a flat box, I have compiled the following list so that you can rejuvenate your ageing equipment to set long straight lines and have perfectly feathered edges.