As was the case for dBm, the conventional way of writing these units according to ITU is dBW, dBV, dBÂµV, dBA, dBÂµA, dBW/m 2, dBV/m, dBÂµV/m, dBA/m and dBÂµA/m.
What is decorators caulk used for. Decorators caulk, or decorators filler as itâs sometimes called is used for filling gaps around door and window frames, along the top of skirting boards, gaps around the ceiling and coving line and is ideal for using if there is movement due to itâs flexible properties.Use decorators caulk for:1  Around Door frames.hat is decorators caulk / filler. Decorators caulk is a decorating gap filler, is made of an acrylic and is flexible once dried. It is ideal for areas that have movement but cannot be used like a powder filler and cannot be rubbed down, it can be painted over.
Traditional caulking (also spelled calking) on wooden vessels uses fibers of cotton and oakum (hemp fiber soaked in pine tar). These fibers are driven into the wedge-shaped seam between planks, with a caulking mallet and a broad chisel-like tool called a caulking iron.he oldest form of caulking is used to make the seams in wooden boats or ships watertight, by driving fibrous materials into the wedge-shaped seams between boards.